Hypergranulosis
Hypergranulosis
Hypergranulosis (pronunciation: /ˌhaɪpərˌɡrænjuːˈloʊsɪs/) is a medical term referring to the thickening of the granular layer of the epidermis, the outermost layer of the skin.
Etymology
The term "Hypergranulosis" is derived from the Greek words "hyper" meaning over or excessive, "granulum" meaning small grain, and "osis" indicating a condition or process.
Definition
Hypergranulosis is a histopathological feature often seen in skin conditions such as lichen planus and psoriasis. It is characterized by an increased number of granular cells in the epidermis, leading to a thickened granular layer. This can result in rough, scaly skin and is often associated with inflammation and itching.
Related Terms
- Epidermis: The outermost layer of the skin, which is divided into several layers, one of which is the granular layer.
- Granular layer: Also known as the stratum granulosum, this is the layer of the epidermis just below the stratum corneum. It contains granular cells filled with keratohyalin granules.
- Lichen Planus: A common skin disease that causes purple, itchy, flat-topped bumps on the skin.
- Psoriasis: A chronic skin condition that causes red, itchy, and scaly patches on the skin.
- Histopathology: The study of changes in tissues caused by disease.
External links
- Medical encyclopedia article on Hypergranulosis
- Wikipedia's article - Hypergranulosis
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