from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun anatomy The large
veinwhich returns blood from the head, neck, thoraxand both upper limbs to the right atriumof the heart.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun receives blood from the head and arms and chest and empties into the right atrium of the heart; formed from the azygos and both brachiocephalic veins
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