Tapetum (botany)
The tapetum is a specialised layer of nutritive cells found within the anther, of flowering plants, where it is located between the sporangenous tissue and the anther wall.Tapetum is important for the nutrition and development of pollen grains, as well as a source of precursors for the pollen coat. The cells are usually bigger and normally have more than one nucleus per cell. As the sporogenous cells undergo mitosis, the nuclei of tapetal cells also divide. Sometimes, this mitosis is not normal due to which many cells of mature tapetum become multinucleate. Sometimes polyploidy and polyteny can also be seen. The unusually large nuclear constitution of the tapetum helps it in providing nutrients and regulatory molecules to the forming pollen grains. The following processes are responsible f
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CassythaCommelinalesElaioplastLilioid monocotsList of Commelinales of South AfricaList of Greek and Latin roots in English/TMicrogametogenesisMicrosporangiaMicrosporeMultinucleateOleosinOrbiculePteridophyteSelf-incompatibilitySporopolleninSterile male plantSyncytiumTapetal cellTapetal cellsTapetumTheca
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Tapetum (botany)
The tapetum is a specialised layer of nutritive cells found within the anther, of flowering plants, where it is located between the sporangenous tissue and the anther wall.Tapetum is important for the nutrition and development of pollen grains, as well as a source of precursors for the pollen coat. The cells are usually bigger and normally have more than one nucleus per cell. As the sporogenous cells undergo mitosis, the nuclei of tapetal cells also divide. Sometimes, this mitosis is not normal due to which many cells of mature tapetum become multinucleate. Sometimes polyploidy and polyteny can also be seen. The unusually large nuclear constitution of the tapetum helps it in providing nutrients and regulatory molecules to the forming pollen grains. The following processes are responsible f
has abstract
En botánica, se denomina tapet ...... atibilidad en muchas especies.
@es
In botanica, si definisce tapp ...... compatibilità in molte specie.
@it
Tapetum é um envoltório de cél ...... células-mãe do grão de pólen.
@pt
Tapetum, tkanka wyściełająca – ...... m ziaren pyłku tapetum zanika.
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The tapetum is a specialised l ...... aration of microspore tetrads.
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En botánica, se denomina tapet ...... atibilidad en muchas especies.
@es
In botanica, si definisce tapp ...... compatibilità in molte specie.
@it
Tapetum é um envoltório de cél ...... células-mãe do grão de pólen.
@pt
Tapetum, tkanka wyściełająca – ...... m ziaren pyłku tapetum zanika.
@pl
The tapetum is a specialised l ...... ng processes are responsible f
@en
label
Tapete (botánica)
@es
Tapetum (Pflanze)
@de
Tapetum (botany)
@en
Tapetum
@pl
Tapetum
@pt
Tappeto (botanica)
@it