Word
venous sinus, n.
a wide channel containing blood; does not have the coating of an ordinary blood vessel
<noun.body>
sinus
venous sinus
semantic pointers
hypernym
duct, epithelial duct, canal, channel
hyponym
cavernous sinus, sinus cavernosus
coronary sinus, sinus coronarius
sigmoid sinus, sinus sigmoideus
straight sinus, tentorial sinus, sinus rectus
transverse sinus, sinus transversus