PERITHECIUM Meaning and
Definition
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A perithecium is a specialized reproductive structure found in certain groups of fungi, particularly the ascomycetes. It is typically shaped like a small, flask-like structure and is often embedded within the mycelium or fruiting body of the fungus.
The perithecium houses ascospores, which are the primary mode of reproduction in fungi belonging to the ascomycete group. Ascospores are produced within sac-like structures called asci, which are in turn enclosed within the perithecium. The asci are usually arranged in a layer lining the inner wall of the perithecium.
The perithecium serves a protective function, shielding the developing asci and ascospores from environmental factors and potential predators. It is composed of specialized cells that are often pigmented, giving the perithecium a dark or black appearance. This pigmentation may help absorb and retain heat, thereby providing optimal conditions for ascospore development.
In some cases, the perithecium is associated with sexual reproduction in fungi. It may be formed through the fusion of hyphae from two compatible mating types, leading to the creation of a unique mycelium. This mycelium, in turn, gives rise to the perithecium and its contained asci.
Overall, the perithecium represents a crucial component of the reproductive cycle of ascomycete fungi, allowing for the production and dispersal of ascospores. Its distinctive structure and function contribute to the remarkable diversity and success of these fungi in various ecosystems.
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In bot., the envelope surrounding the masses of fructification in some fungi and lichens; a conceptacle in cryptogams, containing spores, and having an opening at one end.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
Common Misspellings for PERITHECIUM
- oerithecium
- lerithecium
- -erithecium
- 0erithecium
- pwrithecium
- psrithecium
- pdrithecium
- prrithecium
- p4rithecium
- p3rithecium
- peeithecium
- pedithecium
- pefithecium
- petithecium
- pe5ithecium
- pe4ithecium
- peruthecium
- perjthecium
- perkthecium
Etymology of PERITHECIUM
The word "perithecium" has its roots in Latin. It is derived from the combination of two Latin words:
1. "Peri-" which means "around".
2. "Thecium" which means "case" or "vessel".
Therefore, "perithecium" can be translated as "around the case" or "around the vessel". In biology, perithecia are flask-shaped structures that contain the reproductive structures of certain fungi, particularly ascomycetes.
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