Word.ws English Dictionary

amphistomous

amphistomous adjective: having a sucker or opening at each extremity.

Adjective

amphistomous (not comparable)

  1. Having a sucker or opening at each extremity.
    • Some entozoa are amphistomous.
    • They would even strip off the amphistomous worms which literally live in the stomachs of all cattle in this region, and, without more ado, put them raw into their mouths by the handful.1875 April, “Miscellany: Food of the Bongos”, in Popular Science, volume 6, number 41, page 766
  2. Having stomata on both surfaces of the leaf.
    • Adaxial and abaxial surfaces of three taxa of the Acutae group in the Pacific Northwest (C. aquatilis, C. lenticularis, and C. nebrascensis) are not differentiated (the amphistomous condition) .1985, Systematic Botany Monographs, page 15
    • For most amphistomous leaves, the correct value for g_(lw) is between those given by Equations 11.24 and 11.25 (Moreshet et al., 1968).2012, Robert W. Pearcy, J.R. Ehleringer, Harold Mooney, Plant Physiological Ecology: Field methods and instrumentation

Examples of amphistomous in a sentence

  • In many a pylom occurs also at the aboral pole, so that the shell, perforated by a mouth at both poles of the principal axis, acquires an amphistomous character.1889, The Annals and Magazine of Natural History - Volume 4, page 302:
  • Some shells of an amphistomous Rhizopod were observed from near Recess, W.1901, Pamphlets on Protozoology (Kofoid Collection):
  • Arendt and coworkers propose that the blastopore in this species is amphistomous, giving rise to both mouth and anus.2009, Daniel H. Shain, Annelids in Modern Biology, page 108:
  • Contrary to the view of Cable (1974), we do not consider larvae of this species as amphistomous.2013, K. V. Galaktionov, A. Dobrovolskij, The Biology and Evolution of Trematodes, page 507:

Origin of amphistomous

From amphi- + stoma + -ous.

Questions about amphistomous

What does amphistomous mean?
Amphistomous means having a sucker or opening at each extremity.
How do you use amphistomous in a sentence?
In many a pylom occurs also at the aboral pole, so that the shell, perforated by a mouth at both poles of the principal axis, acquires an amphistomous character.
What part of speech is amphistomous?
Amphistomous is an adjective.

Words near amphistomous in the dictionary

  1. amphistome
  2. amphistomes
  3. amphistomic
  4. amphistomid
  5. amphistomids
  6. amphistomous
  7. amphistylar
  8. amphistyle
  9. amphistylic
  10. amphitelic
  11. amphitelically

Source and license

Adapted from Wiktionary: amphistomous (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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