Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun venous_sinus

1 sense of venous sinus

Sense 1
venous sinus, sinus -- (a wide channel containing blood; does not have the coating of an ordinary blood vessel)
       => duct, epithelial duct, canal, channel -- (a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs")