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proctodaeum

(präk′tō dē′əm)

noun pl. proctodaea or proctodaeums

Zool. the end portion of the intestinal tract in many animals, formed in the embryo by a folding in of the body surface at the anus

also proctodeum

Origin: ModL < procto- + Gr hodaios, on the way < hodos, way: see -ode

Related Forms:

proctodaeal adjective

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