SINCE 1828
proctodeum
noun
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
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Merriam-Webster unabridged
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