Prothallium Definition

prōthalēəm
prothallia
noun
A minute, flat, greenish disc of cells bearing sex organs on its lower side, usually attached to the ground by single-celled hairs, and forming the haploid, sexual generation of ferns and similar plants.
Webster's New World

A plant, usually a pteridophyte, in gametophyte stage in the metagenesis cycle.

Wiktionary

The young gametophyte of a liverwort or peat moss.

Wiktionary

Other Word Forms of Prothallium

Noun

Singular:
prothallium
Plural:
prothallia

Origin of Prothallium

  • Latin pro, "forwards", and Ancient Greek θαλλος (thallos), "twig".

    From Wiktionary

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