Word.ws English Dictionary

pseudoproct

pseudoproct noun: the anal opening on the pseudembryo of an echinoderm.

Noun

pseudoproct (plural pseudoprocts)

  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.1865, Philosophical Transactions of the Royal Society of London, page 524
    • 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.1866, The Record of Zoological Literature, page 759
  2. A false osculum or secondary opening which replaces the original osculum of a sponge.

Examples of pseudoproct in a sentence

  • 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.1878, Thomas Spencer Baynes, The Encyclopedia Britannica:
  • The larva now fixes itself by the 'pseudoproct.'1888, British Association for the Advancement of Science, Report, page 735:

Forms of pseudoproct

pluralpseudoprocts

Origin of pseudoproct

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

Questions about pseudoproct

What does pseudoproct mean?
Pseudoproct means the anal opening on the pseudembryo of an echinoderm.
How do you use pseudoproct in a sentence?
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.
What part of speech is pseudoproct?
Pseudoproct is a noun.
What is the plural of pseudoproct?
The plural of pseudoproct is pseudoprocts.

Words near pseudoproct in the dictionary

  1. pseudoprime
  2. pseudoprimes
  3. pseudoprobabilities
  4. pseudoproblem
  5. pseudoproblems
  6. pseudoproct
  7. pseudoprocts
  8. pseudoprofession
  9. pseudoprofessional
  10. pseudoprofessions
  11. pseudoprofound

Source and license

Adapted from Wiktionary: pseudoproct (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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