ENDOSTOME Meaning and
Definition
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Endostome: noun
The term "endostome" refers to a distinct structure found in mosses (Bryophytes), particularly in the phylum Bryophyta, which includes the true mosses. The endostome is a specialized ring or cup-shaped membrane located inside the mouth of the capsule, also known as the sporangium, a structure responsible for producing and releasing spores.
The endostome is composed of thin, delicate filaments or teeth that project inward toward the center of the capsule. Its primary function is to regulate the release of spores. When the capsule matures, it opens, and the peristome teeth on the outer side of the capsule's mouth also open, allowing spores to be dispersed. However, in this process, the endostome teeth remain closed or partially closed, controlling and slowing down the dispersal of spores.
The specific structure of the endostome varies among different moss species, and the number, shape, and arrangement of teeth can be used as an identifying characteristic. Some species may have multiple layers of teeth, while others have only a simple ring.
The endostome plays an important role in the reproductive strategy of mosses, ensuring the controlled and efficient release of spores. It helps to enhance the dispersal mechanism while preventing rapid spore loss, ultimately contributing to the survival and proliferation of these ancient plant organisms.
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The passage through the inner integument of an ovule.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for ENDOSTOME
- wndostome
- sndostome
- dndostome
- rndostome
- 4ndostome
- 3ndostome
- ebdostome
- emdostome
- ejdostome
- ehdostome
- ensostome
- enxostome
- encostome
- enfostome
- enrostome
- eneostome
- endistome
- endkstome
- endlstome
Etymology of ENDOSTOME
The word Endostome has its origins in Greek. It is composed of two Greek roots: endo, meaning within or inside, and stoma, meaning mouth or opening. Therefore, the term Endostome can be understood as inside mouth or internal opening.
Similar spelling words for ENDOSTOME
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