proctodaeum

[ prok-tuh-dee-uhm ]

noun

, plural proc·to·dae·a [prok-t, uh, -, dee, -, uh].

1. proctodeum.

Other Words From

• procto·daeal adjective

Example Sentences

The third or outermost chamber, the proctodaeum, is closed externally by the sphincter ani; the orifice is quite circular.

From Project Gutenberg

Renal excretory caeca (Malpighian tubes) are developed from the proctodaeum (not from mesenteron as in scorpion and Amphipoda).

From Project Gutenberg

Renal caecal tubes (Malpighian tubes) open into the proctodaeum.

From Project Gutenberg