Word.ws English Dictionary

opisthobranch

/ɵˈpɪsθəbɹæŋk/

opisthobranch noun: a gastropod with gills behind the heart, formerly thought to belong to a single group.

Noun

opisthobranch (plural opisthobranchs)

  1. A gastropod with gills behind the heart, formerly thought to belong to a single group.

Adjective

opisthobranch (not comparable)

  1. Placed behind the heart.
    Antonyms:
    prosobranch
  2. Having gills placed behind the heart.
    • For example, the antitumour depsipeptide kahalalide F was isolated from the opisthobranch mollusc Elysia rufescens, and is used by both the mollusc and its dietary alga Bryopsis spp.2016 January 21, “Choose Your Weaponry: Selective Storage of a Single Toxic Compound, Latrunculin A, by Closely Related Nudibranch Molluscs”, in PLOS ONE, →DOI
    Antonyms:
    prosobranch

Antonyms of opisthobranch

Forms of opisthobranch

pluralopisthobranchs

Origin of opisthobranch

From opistho- + branchia.

Words formed from opisthobranch

Questions about opisthobranch

What does opisthobranch mean?
Opisthobranch means a gastropod with gills behind the heart, formerly thought to belong to a single group.
What part of speech is opisthobranch?
Opisthobranch can be a noun or an adjective.
How do you pronounce opisthobranch?
Opisthobranch is pronounced /ɵˈpɪsθəbɹæŋk/.
What is the plural of opisthobranch?
The plural of opisthobranch is opisthobranchs.

Words near opisthobranch in the dictionary

  1. opisthaptors
  2. opisthenar
  3. opisthia
  4. opisthion
  5. opistho-
  6. opisthobranch
  7. opisthobranchiate
  8. opisthobranchiates
  9. opisthobranchism
  10. opisthobranchs
  11. opisthocline

Source and license

Adapted from Wiktionary: opisthobranch (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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Cite this entry: “opisthobranch.” Word.ws, https://word.ws/opisthobranch. Based on Wiktionary, CC BY-SA 4.0.