venous sinus

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a wide channel containing blood;
does not have the coating of an ordinary blood vessel
• Syn:
sinus
• Hypernyms:
duct, epithelial duct, canal, channel
• Hyponyms:
cavernous sinus, sinus cavernosus, coronary sinus, sinus coronarius, sigmoid sinus,
sinus sigmoideus, straight sinus, tentorial sinus, sinus rectus, transverse sinus, sinus transversus