Brachiocephalic trunk Definition
What is Brachiocephalic trunk? It is another name for the brachiocephalic artery, which is the largest and first of the aortic arch branches.
It is also known by other names like Innominate artery and Brachiocephalic artery. It is referred to as Truncus brachiocephalicus in Latin and as Tronc brachio-céphalique in French.
Brachiocephalic trunk Location and Origin
It originates at the point where the aortic arch begins, and rises upwards to the point where the collarbone or right clavicle joins the breast bone or sternum. Once it arises in the midline, in takes it course up to the right and crosses the trachea. Then it divides in a posterior position to the right sternoclavicular joint, and bifurcates.
The two arteries formed by the division of the brachiocephalic trunk are:
There is no other branch. Occasionally, the brachiocephalic trunk gives rise to the Thyroid ima artery, which can be a branch. In rare cases, it might lead to aberrant brachiocephalic trunk. The brachiocephalic trunk has a common point of origin with the left common carotid artery, known as a bovine arch.
Brachiocephalic trunk Anatomy
Brachiocephalic trunk Function
This is a major vessel responsible for supplying blood to the neck, head and the right arm.
Brachiocephalic trunk Pictures
The following Brachiocephalic trunk images and diagrams will help you to know about the physical appearance and the proper location of the structure.
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