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venous sinus

DEFINITIONS OF: venous sinus

1

n a wide channel containing blood; does not have the coating of an ordinary blood vessel

Synonyms:
sinus
Types:
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cavernous sinus, sinus cavernosus
either of a pair of large venous sinuses in the cranial cavity
coronary sinus, sinus coronarius
a short sinus receiving most of the veins of the heart; empties into the right atrium
sigmoid sinus, sinus sigmoideus
an S-shaped dural sinus on the temporal and occipital bones
sinus rectus, straight sinus, tentorial sinus
an unpaired sinus of the dura mater
sinus transversus, transverse sinus
a paired dural sinus; terminates in the sigmoid sinus
Type of:
canal, channel, duct, epithelial duct
a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
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