PERISTOME Meaning and
Definition
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Peristome is a term commonly used in botany and mycology to refer to a specialized structure or appendage found around the opening of certain plant organs or fungal structures. This term is often used to describe the rim or fringe that surrounds the mouth or opening of a capsule, sporangium, or spore-bearing structure in various organisms.
In mosses, peristome refers to the teeth-like structures that surround the mouth of the capsule, which controls the release of spores. These peristome teeth may possess intricate patterns that allow for regulated spore discharge, enhancing dispersal efficiency.
In fungi, peristome describes the various forms and structures found around the opening of certain mushrooms or fungi. These peristome structures may take the form of a ring, scales, teeth, or other specialized appendages that aid in spore dispersal. They often play a role in the controlled release of spores and can be important diagnostic features for species identification.
Overall, the peristome serves as a protective and regulatory apparatus, ensuring the efficient and controlled release of spores. The structure and morphology of the peristome can vary greatly among different species, reflecting their ecological adaptations and evolutionary history. Understanding the function and characteristics of the peristome is crucial in the study of plant and fungal taxonomy, as it provides valuable information for identification and classification.
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A groove leading from the cytostome in infusoria and certain other forms of protozoa.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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In bot., the ring of bristles situated around the orifice or mouth of the seed-vessels in mosses; the simple or double membrane closing the mouth or opening in the theca of mosses, which membrane becomes divided into a definite number of laminae, termed teeth, after the removal of the lid in the ripe state.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for PERISTOME
- oeristome
- leristome
- -eristome
- 0eristome
- pwristome
- psristome
- pdristome
- prristome
- p4ristome
- p3ristome
- peeistome
- pedistome
- pefistome
- petistome
- pe5istome
- pe4istome
- perustome
- perjstome
- perkstome
Etymology of PERISTOME
The word "peristome" is derived from two Greek words: "peri" meaning "around" and "stoma" meaning "mouth". The combination of these two words gives the literal meaning of "around the mouth". In biology, the term "peristome" refers to the region surrounding the mouth of certain organisms, particularly plants or invertebrates.
Similar spelling words for PERISTOME
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