Definition of Prothallus. Meaning of Prothallus. Synonyms of Prothallus

Here you will find one or more explanations in English for the word Prothallus. Also in the bottom left of the page several parts of wikipedia pages related to the word Prothallus and, of course, Prothallus synonyms and on the right images related to the word Prothallus.

Definition of Prothallus

Prothallus
Prothallus Pro*thal"lus, n.; pl. Prothalli. [NL., fr. Gr. ? before + ? a young shoot.] (Bot.) The minute primary growth from the spore of ferns and other Pteridophyta, which bears the true sexual organs; the o["o]phoric generation of ferns, etc.

Meaning of Prothallus from wikipedia

- given the right conditions, into the gametophyte stage, the prothallus. The prothallus develops independently for several w****s; it grows **** organs...
- Prothallus: A green, photosynthetic structure that is one cell thick, usually heart or kidney shaped, 3–10 mm long and 2–8 mm broad. The prothallus produces...
- non-thallophyte plants – clubmosses, horsetails, and ferns is termed "prothallus". Homothallism Heterothallism Wengania Haupt, Arthur W. (1953). Plant...
- and grow into a rather incon****uous plant body called a prothallus. The haploid prothallus does not resemble the sporophyte, and as such ferns and their...
- independent sporophytes. Young fern sporelings can often be found with the prothallus gametophyte still attached at the base of their fronds. Conidium (mitospore)...
- produces spores) is followed by a haploid generation (the gametophyte or prothallus, which produces gametes). Pteridophytes differ from bryophytes in that...
- in being corticolous, having adpressed squamules on a distinct, dark prothallus, lacking melanins, having a thin cortical layer and a simpler apical ascus...
- one gamete after the fertilization of the egg. 2.  (gymnosperms) The prothallus within the embryo sac. endospory The production of spores that germinate...
- tree. It has a whitish grey thallus without a cortex and also without a prothallus. It is similar to Carbacanthographis aptrootii, but unlike that species...
- is a species of corticolous, squamulose lichen. It has a reddish brown prothallus, medium sized green granules with isidia, and narrow ellipsoid simple...