noun (plural proctodaea or -daeums) Etymology: New Latin, from Greek prōktos anus + hodos way Date: 1876 the embryonic posterior ectodermal part of the alimentary canal
PROCTODAEUM
Meaning of PROCTODAEUM in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012