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- Protonema abstract "A protonema (plural: protonemata) is a thread-like chain of cells that forms the earliest stage (the haploid phase) of a bryophyte life cycle. When a moss first grows from the spore, it grows as a protonema which develops into a leafy gametophore.Hornworts do not have a protonemal stage, the spores germinate directly into a new Gametophyte generation.Moss spores germinate to form an alga-like filamentous structure called the protonema. It represents the juvenile gametophyte. While the protonema is growing by apical cell division, at some stage, under the influence of the phytohormone cytokinin, buds are induced which grow by three-faced apical cells. These give rise to gametophores, stems and leaf like structures (bryophytes do not have true leaves (megaphyll)). These gametophores are the adult form of thegametophyte. Protonema are characteristic of all mosses and some liverworts but are absent from hornworts.The protonema is also the photosynthetic part of a germinating fern spore.".
- Protonema thumbnail Physcomitrella_Protonema.jpg?width=300.
- Protonema wikiPageID "2830619".
- Protonema wikiPageLength "1489".
- Protonema wikiPageOutDegree "21".
- Protonema wikiPageRevisionID "671586936".
- Protonema wikiPageWikiLink Alga.
- Protonema wikiPageWikiLink Algae.
- Protonema wikiPageWikiLink Bryophyte.
- Protonema wikiPageWikiLink Bud.
- Protonema wikiPageWikiLink Category:Bryophytes.
- Protonema wikiPageWikiLink Cytokinin.
- Protonema wikiPageWikiLink Fern.
- Protonema wikiPageWikiLink Gametophore.
- Protonema wikiPageWikiLink Gametophyte.
- Protonema wikiPageWikiLink Germination.
- Protonema wikiPageWikiLink Haploid.
- Protonema wikiPageWikiLink Hornwort.
- Protonema wikiPageWikiLink Marchantiophyta.
- Protonema wikiPageWikiLink Megaphyll.
- Protonema wikiPageWikiLink Moss.
- Protonema wikiPageWikiLink Phytohormone.
- Protonema wikiPageWikiLink Plant_hormone.
- Protonema wikiPageWikiLink Ploidy.
- Protonema wikiPageWikiLink Spore.
- Protonema wikiPageWikiLink Spores.
- Protonema wikiPageWikiLink File:Physcomitrella_Protonema.jpg.
- Protonema wikiPageWikiLinkText "Protonema".
- Protonema wikiPageWikiLinkText "protonema".
- Protonema hasPhotoCollection Protonema.
- Protonema wikiPageUsesTemplate Template:Botany-stub.
- Protonema wikiPageUsesTemplate Template:Portal.
- Protonema wikiPageUsesTemplate Template:Reflist.
- Protonema subject Category:Bryophytes.
- Protonema hypernym Chain.
- Protonema type Company.
- Protonema comment "A protonema (plural: protonemata) is a thread-like chain of cells that forms the earliest stage (the haploid phase) of a bryophyte life cycle. When a moss first grows from the spore, it grows as a protonema which develops into a leafy gametophore.Hornworts do not have a protonemal stage, the spores germinate directly into a new Gametophyte generation.Moss spores germinate to form an alga-like filamentous structure called the protonema. It represents the juvenile gametophyte.".
- Protonema label "Protonema".
- Protonema sameAs Prvoklíček.
- Protonema sameAs Protonema.
- Protonema sameAs Protonema.
- Protonema sameAs Protonema.
- Protonema sameAs Splątek.
- Protonema sameAs Protonema.
- Protonema sameAs m.085f_s.
- Protonema sameAs Протонема.
- Protonema sameAs Protonema.
- Protonema sameAs Протонема.
- Protonema sameAs Q1427759.
- Protonema sameAs Q1427759.
- Protonema sameAs 原絲體.
- Protonema wasDerivedFrom Protonema?oldid=671586936.
- Protonema depiction Physcomitrella_Protonema.jpg.
- Protonema isPrimaryTopicOf Protonema.