occipital sinus

noun

Medical Definition of occipital sinus

: a single or paired venous sinus that arises near the margin of the foramen magnum by the union of several small veins, follows the internal occipital crest along the attached margin of the falx cerebelli, and empties into the confluence of sinuses or sometimes into one of the transverse sinuses

Learn More About occipital sinus

Dictionary Entries Near occipital sinus

occipital protuberance

occipital sinus

occipitofrontalis

See More Nearby Entries 

Cite this Entry

“Occipital sinus.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/occipital%20sinus. Accessed 1 Dec. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!