Pseudoproct

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The anal opening on the pseudembryo of an echinoderm.

    "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."

  2. 2
    A false osculum or secondary opening which replaces the original osculum of a sponge.

Synonyms

All synonyms
pseudostomepseudostome

Example

More 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."

Etymology

From pseudo- + Ancient Greek πρωκτός (prōktós, “anus”).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.