L6: Blood vessels of the neck Flashcards
where does the right common carotid artery originate from ?
brachiocephalic trunk
where does the left common carotid artery originate from ?
aorta
explain the termination of the common carotid arteries.
splits into internal and external carotid arteries at the upper border of the thyroid cartilage in the carotid triangle ( between c3 and c4)
what artery is the chief artery of supply to the neck and face ?
external carotid (it is overlapped by the sternocliedomastoid)
what are the branches of the external carotid artery ?
superior thyroid
lingual
posterior auricular
facial
occipital
ascending pharyngeal
maxiallry
superficial temporal
the vertebral artery is a a branch of ____
subclavian artery
describe the course of the vertebral artery
passes through transverse foramen - enters cranial cavity through foramen magnum - terminates in lower border of pons , unites with basillar artery
what union forms the external jugular vein ?
that of the posterior auricular vein and the posterior division of the retromandibular vein
where does the external jugular vein drain into ?
subclavian vein
what areas does the external jugular drain ?
exterior cranium and deep parts of the face
the internal jugular vein unites with the subclavian vein in order to form the ____
brachiosephalic vein
what areas does the internal jugular vein drain?
brain and superficial face and neck
the subclavian vein is a continuation of which other vein ?
auxiliary vein