Piedraia hortae
Piedraia hortae
Piedraia hortae (pronunciation: pee-ed-rah-ee-ah hor-tay) is a species of fungus that is the causative agent of a disease known as Black Piedra.
Etymology
The name "Piedraia hortae" is derived from the Latin words "piedra" meaning stone and "hortae" meaning garden. This is in reference to the hard, stone-like nodules that form on the hair shafts of individuals infected with this fungus.
Description
Piedraia hortae is a dematiaceous (darkly pigmented) fungus that primarily affects the hair shafts of humans. It is the causative agent of Black Piedra, a superficial fungal infection that results in the formation of hard, black nodules on the hair shafts.
Pathogenesis
The infection begins when the fungal spores come into contact with the hair shafts. The spores germinate and penetrate the hair shaft, leading to the formation of hard, black nodules. These nodules are composed of fungal hyphae and fruiting bodies known as asci, which contain the fungal spores.
Treatment
Treatment for Black Piedra typically involves the use of antifungal medications, such as ketoconazole or terbinafine. In severe cases, it may be necessary to remove the affected hair.
Related Terms
- Black Piedra: A superficial fungal infection caused by Piedraia hortae.
- Asci: The fruiting bodies of the fungus, which contain the spores.
- Ketoconazole: An antifungal medication used to treat infections caused by Piedraia hortae.
- Terbinafine: Another antifungal medication used to treat infections caused by Piedraia hortae.
External links
- Medical encyclopedia article on Piedraia hortae
- Wikipedia's article - Piedraia hortae
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