proc·to·de·um
variants:
or proctodaeum \
ˌpräk-tə-ˈdē-əm 
\
\
plural proctodea or proctodaea\
-ˈdē-ə
\ or proctodeums or proctodaeums
\ or proctodeums or proctodaeums
Medical Definition of proctodeum
: the posterior ectodermal part of the digestive tract formed in the embryo by invagination of the outer body wall
Other Words from proctodeum
proctodeal
or proctodaeal \
-ˈdē-əl
\ adjective
\ adjective
Learn More About proctodeum
Cite this Entry
“Proctodeum.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/proctodeum. Accessed 23 Jun. 2021.
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