Definition of Prothallium

1. n. Same as Prothallus.



Definition of Prothallium

1. Noun. A plant, usually a pteridophyte, in gametophyte stage in the metagenesis cycle. ¹

2. Noun. The young gametophyte of a liverwort or peat moss. ¹

¹ Source: wiktionary.com

Definition of Prothallium

1. [n -THALLIA]

Prothallium Pictures

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Lexicographical Neighbors of Prothallium

protested
protester
protesters
protesting
protesting(a)
protestingly
protestor
protestors
protests
proteuses
prothalamia
prothalamion
prothalamium
prothalli
prothallia
prothallium (current term)
prothalluses
prothese
protheses
prothesis
prothetelic
prothetelous
prothetely
prothetic
prothonotarial
prothonotaries
prothonotary
prothonotary warbler
prothonotary warblers

Literary usage of Prothallium

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Encyclopedia Americana: A Library of Universal Knowledge (1918)
"Upon the under side of the prothallium the eggs and sperms are developed, the eggs being ... A vertical section of a portion of a prothallium showing an ..."

2. On the Germination, Development, and Fructification of the Higher by Wilhelm Friedrich Benedict Hofmeister, Frederick Currey (1862)
"embryo which attach themselves to the prothallium divide by the repeated formation of transverse septa into groups of almost tabular cells. ..."

3. Elementary Botany by George Francis Atkinson (1898)
"In the upper end of the endosperm (prothallium) are several archegonia, and they aid us in determining what portion is the female ..."

4. The New International Encyclopædia by Daniel Colt Gilman, Harry Thurston Peck, Frank Moore Colby (1903)
"The egg produced and fertilized upon this prothallium (game- ... megaspore ; b, prothallium ; c, ..."

5. Manual of the Mosses of North America by Leo Lesquereux, Thomas Potts James (1884)
"Spores of one kind only, tilling the inner sac of the capsule, dispersing at maturity and producing by germination the filiform prothallium, from which ..."

6. The Microscope: An Illustrated Monthly Designed to Popularize the Subject of (1894)
"The prothallium of a Fern.—It is very interesting to view a pro-thallium of a fern. They may lie found at the base of the plants and may be esily obtained ..."

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