12691009: Structure of brachiocephalic artery (body structure)

Outbound Relationships	Type	Target	Active	Characteristic	Refinability	Group	Values
Structure of brachiocephalic artery (body structure)	Is a	Brachiocephalic artery and its branches	false	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of brachiocephalic artery (body structure)	Is a	Structure of artery of thorax AND/OR abdomen (body structure)	false	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of brachiocephalic artery (body structure)	Is a	Supraaortic branch of thoracic aorta	true	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of brachiocephalic artery (body structure)	partie de	Entire thorax (body structure)	false	Additional relationship (core metadata concept)	Existential restriction modifier (core metadata concept)
Structure of brachiocephalic artery (body structure)	partie de	Entire arterial system	false	Additional relationship (core metadata concept)	Existential restriction modifier (core metadata concept)
Structure of brachiocephalic artery (body structure)	Is a	Intrathoracic systemic artery	true	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of brachiocephalic artery (body structure)	Is a	Structure of half of thorax lateral to midsagittal plane (body structure)	true	Inferred relationship	Existential restriction modifier (core metadata concept)
Structure of brachiocephalic artery (body structure)	Laterality	Side	true	Inferred relationship	Existential restriction modifier (core metadata concept)

Inbound Relationships	Type	Active	Source	Characteristic	Refinability	Group
Entire brachiocephalic artery	Is a	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)
Aberrant retro-oesophageal brachiocephalic artery	Finding site	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Distal origin of brachiocephalic trunk (disorder)	Finding site	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Isolation of brachiocephalic trunk	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Origin of innominate artery from left side of aortic arch (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Repair of aneurysm with graft of innominate artery by thoracic incision	Procedure site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	3
Thrombectomy with catheter of innominate artery by thoracic incision	Procedure site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Embolectomy with catheter of innominate artery by arm incision	Procedure site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Injury of innominate artery	Finding site	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Bardenheurer operation for ligation of innominate artery	Procedure site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Thrombectomy with catheter of innominate artery by neck incision	Procedure site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Thrombectomy with catheter of innominate artery by arm incision	Procedure site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Embolectomy with catheter of innominate artery by neck incision	Procedure site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Creation of pulmonary-innominate artery shunt	Procedure site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Embolectomy with catheter of innominate artery by thoracic incision (procedure)	Procedure site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Buckled innominate artery syndrome	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Congenital dilatation of innominate artery	Finding site	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Congenital elongation of innominate artery	Finding site	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Congenital malposition of innominate artery	Finding site	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Congenital stenosis of innominate artery (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Congenital short growth of innominate artery	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Thrombectomy with catheter of innominate artery by thoracic incision	Procedure site - Indirect (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Embolectomy with catheter of innominate artery by arm incision	Procedure site - Indirect (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Thrombectomy with catheter of innominate artery by arm incision	Procedure site - Indirect (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Embolectomy with catheter of innominate artery by neck incision	Procedure site - Indirect (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Embolectomy with catheter of innominate artery by thoracic incision (procedure)	Procedure site - Indirect (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Origin of innominate artery from left side of aortic arch (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Origin of innominate artery from left side of aortic arch (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Thrombectomy with catheter of innominate artery by neck incision	Procedure site - Indirect (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Origin of innominate artery from left side of aortic arch (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Origin of innominate artery from left side of aortic arch (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Origin of innominate artery from left side of aortic arch (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Origin of innominate artery from left side of aortic arch (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Origin of innominate artery from left side of aortic arch (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Origin of innominate artery from left side of aortic arch (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Repair of aneurysm with graft of innominate artery by thoracic incision	Procedure site - Direct (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Bardenheurer operation for ligation of innominate artery	Procedure site - Direct (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Creation of pulmonary-innominate artery shunt	Procedure site - Direct (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Origin of innominate artery from left side of aortic arch (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Origin of innominate artery from left side of aortic arch (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Structure of branch of brachiocephalic artery (body structure)	Is a	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)
Stenosis of brachiocephalic artery	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Embolectomy with catheter of innominate artery by neck incision	Procedure site - Indirect (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Embolectomy with catheter of innominate artery by arm incision	Procedure site - Indirect (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Embolectomy with catheter of innominate artery by thoracic incision (procedure)	Procedure site - Indirect (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Atherosclerotic stenosis of brachiocephalic artery	Finding site	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Atherosclerotic stenosis of brachiocephalic artery	Finding site	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Repair of aneurysm with graft of innominate artery by thoracic incision	Procedure site - Direct (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Thrombectomy with catheter of innominate artery by neck incision	Procedure site - Indirect (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Isolation of brachiocephalic trunk	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Congenital stenosis of innominate artery (disorder)	Finding site	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Distal origin of brachiocephalic trunk (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Thrombectomy with catheter of innominate artery by arm incision	Procedure site - Indirect (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Aberrant retro-oesophageal brachiocephalic artery	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Embolectomy with catheter of innominate artery by thoracic incision (procedure)	Procedure site - Indirect (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Embolectomy with catheter of innominate artery by arm incision	Procedure site - Indirect (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Congenital malposition of innominate artery	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Congenital elongation of innominate artery	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Percutaneous transluminal angioplasty of brachiocephalic artery using fluoroscopic guidance with contrast (procedure)	Procedure site - Direct (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Percutaneous embolization of brachiocephalic artery using fluoroscopic guidance with contrast (procedure)	Procedure site - Direct (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Fluoroscopic angiography of brachiocephalic artery using contrast with insertion of stent (procedure)	Procedure site - Indirect (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Buckled innominate artery syndrome	Finding site	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Congenital dilatation of innominate artery	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Embolectomy with catheter of innominate artery by neck incision	Procedure site - Indirect (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Fluoroscopic angiography of brachiocephalic artery using contrast with insertion of drug eluting stent (procedure)	Procedure site - Direct (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	3
Repair of aneurysm with graft of innominate artery by thoracic incision	Procedure site - Direct (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Fluoroscopic angiography of brachiocephalic artery using contrast with insertion of stent graft (procedure)	Procedure site - Indirect (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Thrombectomy with catheter of innominate artery by thoracic incision	Procedure site - Indirect (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Bardenheurer operation for ligation of innominate artery	Procedure site - Direct (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Congenital short growth of innominate artery	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Stenosis of brachiocephalic artery	Finding site	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Fluoroscopic angiography of brachiocephalic artery using contrast with insertion of drug eluting stent (procedure)	Procedure site - Indirect (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Fluoroscopic angiography of brachiocephalic artery using contrast with insertion of stent (procedure)	Procedure site - Direct (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Percutaneous transluminal angioplasty of brachiocephalic artery using fluoroscopic guidance with contrast (procedure)	Procedure site - Direct (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Percutaneous embolization of brachiocephalic artery using fluoroscopic guidance with contrast (procedure)	Procedure site - Direct (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Percutaneous transluminal cutting balloon angioplasty of brachiocephalic artery using fluoroscopic guidance with contrast (procedure)	Procedure site - Direct (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Percutaneous transluminal cutting balloon angioplasty of brachiocephalic artery using fluoroscopic guidance with contrast (procedure)	Procedure site - Direct (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Fluoroscopic angiography of brachiocephalic artery using contrast with insertion of stent graft (procedure)	Procedure site - Direct (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Fluoroscopic angiography of brachiocephalic artery using contrast with insertion of stent (procedure)	Procedure site - Direct (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Fluoroscopic angiography of brachiocephalic artery using contrast with insertion of stent (procedure)	Procedure site - Indirect (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Fluoroscopic angiography of brachiocephalic artery using contrast with insertion of drug eluting stent (procedure)	Procedure site - Indirect (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Fluoroscopic angiography of brachiocephalic artery using contrast with insertion of drug eluting stent (procedure)	Procedure site - Direct (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	3
Fluoroscopic angiography of brachiocephalic artery using contrast with insertion of stent graft (procedure)	Procedure site - Direct (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Fluoroscopic angiography of brachiocephalic artery using contrast with insertion of stent graft (procedure)	Procedure site - Indirect (attribute)	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Angioplasty of brachiocephalic artery using radiologic guidance	Procedure site - Direct (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	1
Angioplasty of brachiocephalic artery using radiologic guidance	Procedure site - Direct (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Percutaneous transhepatic insertion of catheter into biliary tract using radiologic guidance with contrast	Procedure site - Direct (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Percutaneous transhepatic insertion of catheter into biliary tract using radiologic guidance with contrast	Procedure site - Direct (attribute)	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Distal origin of brachiocephalic artery with tracheal compression (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Systemic to pulmonary collateral artery from right brachiocephalic artery (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	4
Systemic to pulmonary collateral artery from left brachiocephalic artery (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	4
Anomalous common origin of brachiocephalic artery and left common carotid artery (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	4
Congenital stenosis of innominate artery (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Congenital dilatation of innominate artery	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Congenital elongation of innominate artery	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	3
Aberrant retro-oesophageal brachiocephalic artery	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	3
Anomalous common origin of brachiocephalic artery and left common carotid artery (disorder)	Finding site	True	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Congenital short growth of innominate artery	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Distal origin of brachiocephalic artery with tracheal compression (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	3
Congenital malposition of innominate artery	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2
Distal origin of brachiocephalic trunk (disorder)	Finding site	False	Structure of brachiocephalic artery (body structure)	Inferred relationship	Existential restriction modifier (core metadata concept)	2

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Reference Sets

Lateralizable body structure reference set (foundation metadata concept)

Anatomy structure and entire association reference set (foundation metadata concept)

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Id	Description	Lang	Type	Status	Case?	Module
21794014	Brachiocephalic artery	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
21795010	Innominate artery	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
195480011	Brachiocephalic trunk	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
473934012	Structure of brachiocephalic artery	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
730936012	Structure of brachiocephalic artery (body structure)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
21794014	Brachiocephalic artery	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
21794014	Brachiocephalic artery	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
21795010	Innominate artery	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
21795010	Innominate artery	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
195480011	Brachiocephalic trunk	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
195480011	Brachiocephalic trunk	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
473934012	Structure of brachiocephalic artery	en	Synonym (core metadata concept)	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
473934012	Structure of brachiocephalic artery	en	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
730936012	Structure of brachiocephalic artery (body structure)	en	Fully specified name	Active	Only initial character case insensitive (core metadata concept)	SNOMED CT core
730936012	Structure of brachiocephalic artery (body structure)	en	Fully specified name	Active	Entire term case insensitive (core metadata concept)	SNOMED CT core
1526901000172119	tronc artériel brachiocéphalique	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module
1526901000172119	tronc artériel brachiocéphalique	fr	Synonym (core metadata concept)	Active	Entire term case insensitive (core metadata concept)	SNOMED CT Switzerland NRC maintained Module