Protonemal | definition of protonemal by Medical dictionary
protonema (redirected from protonemal)
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n. pl. proto·nemata (-nē′mə-tə, -nĕm′ə-)
The filamentous growth that arises following spore germination in liverworts and mosses and develops into a mature gametophyte.
pro′to·ne′mal (-nē′məl), pro′to·ne′ma·tal (-nē′mə-təl, -nĕm′ə-) adj.
protonema a haploid, branched, filamentous structure, produced by the germination of a moss spore, that produces new plants by budding.
References in periodicals archive
For Southern hybridization, genomic DNA was isolated from protonemal
cells of P.
Intraspecific competition in inicial stages of the moss Tortula muralis spore density dependence of germination and protonemal
`The persistence of the protonemal
stage in culture conditions suitable for differentiation suggests mutation is a distinct possibility.'