Synset

a wide channel containing blood; does not have the coating of an ordinary blood vessel
<noun.body>

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