Meaning of pseudoproct | Babel Free

Definitions

1. The anal opening on the pseudembryo of an echinoderm.
2. A false osculum or secondary opening which replaces the original osculum of a sponge.

Examples

“The pseudostome and pseudoproct become obscure and are shortly obliterated, the sarcoid forming a thick, smooth, uniform layer over the stem and over its terminal disk.”

“The pseudembryo moves rapidly in the water, rolling round and swinging from side to side ; as a rule, and especially when at rest, the surface bearing the pseudostome and pseudoproct is turned downwards.”

“The pseudembryo or echinopzrdium, at first cilisted and spheroidal, becomes after a time wedge-shaped; at its broad end appears the mouth or psaudostome, and at the other the anus or pseudoproct.”

“The larva now fixes itself by the 'pseudoproct.'”

CEFR level