Protonema

Protonema. Protonema definition, a primary, usually filamentous structure produced by the germination of the spore in mosses and certain related plants, and from which the leafy plant which bears the sexual organs. The predominant stage of the life cycle of a moss (bryophyte) is the gametophyte which consists of two stages.

The first stage is the protonema stage, which develops directly from a spore. A protonema (plural: protonemata) is a thread-like chain of cells that forms the earliest stage (the haploid phase) of the life cycle of mosses. Thousands of new, high-quality pictures added every day.

Protonema definition: a branched threadlike structure that grows from a moss spore and eventually develops into.

Information and translations of protonema in the most comprehensive dictionary definitions resource on the web.

Diagram of Sphagnum thalloid protonema culture. (a) Spores ...

Bryophyta; Andreaeopsida; Mosses, Granite; Musci

Moss protonema with young gametophytes | Flickr - Photo ...

Free Moss - microscopic view of protonema 3 Stock Photo ...

Research | MacAlister Lab

Pogonatum contortum | Introduction to Bryophytes

Pogonatum - protonema- Detail | Most mosses go through a ...

Draw a Labelled Diagram of Gametophyte of Moss - QS Study

Phycokey - images

The first stage is the protonema stage, which develops directly from a spore. Protonema definition, a primary, usually filamentous structure produced by the germination of the spore in mosses and certain related plants, and from which the leafy plant which bears the sexual organs. English definition English synonyms English-Spanish English-French.