To save this word, you'll need to log in.
stratum spon·gi·o·sum | \ -ˌspən-jē-ˈō-səm 
\
\ plural strata spongiosa\ -sə \
\Medical Definition of stratum spongiosum
: the middle layer of the endometrium between the stratum basale and stratum compactum that contains dilated and tortuous portions of the uterine glands
Comments on stratum spongiosum
What made you want to look up stratum spongiosum? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
May 2020 Words of the Day Quiz
- Which is a synonym of exiguous?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Share stratum spongiosum