Medical Dictionary

sylvian fossa

noun, often capitalized 1st S

Definition of SYLVIAN FOSSA

:  a depression that forms in the lateral surface of each embryonic cerebral hemisphere during the third month of development and contains the insula at its bottom which is later covered by the operculum whose edges form the border of the sylvian fissure
March 26, 2015
verdigris Hear it
A green deposit formed on some metals
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears