proctodaeum
[ prok-tuh-dee-uh m ]
/ ˌprɒk təˈdi əm /
noun, plural proc·to·dae·a [prok-tuh-dee-uh] /ˌprɒk təˈdi ə/.
OTHER WORDS FROM proctodaeum
proc·to·dae·al, adjectiveWords nearby proctodaeum
Example sentences from the Web for proctodaeum
Renal excretory caeca (Malpighian tubes) are developed from the proctodaeum (not from mesenteron as in scorpion and Amphipoda).
The third or outermost chamber, the proctodaeum, is closed externally by the sphincter ani; the orifice is quite circular.
Renal caecal tubes (Malpighian tubes) open into the proctodaeum.