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Histology slide of a solar lentigo. Differently from the melanotic nevi and the verrucous nevi on the skin, age spots change in color and in shape with time. Wang-Michelitsch and Michelitsch propose a hypothesis inspired by their misrepair-accumulation aging theory [12] for the development of age spots. [13]
A seborrheic keratosis is a non-cancerous skin tumour that originates from cells, namely keratinocytes, in the outer layer of the skin called the epidermis.Like liver spots, seborrheic keratoses are seen more often as people age.
Scleria is a genus of flowering plants in the sedge family, Cyperaceae. They are known commonly as nutrushes . [ 1 ] They are distributed throughout the tropics , and some species have ranges extending into temperate areas. [ 2 ]
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This list is compiled from The Plant List, [3] Germplasm Resources Information Network, [4] Integrated Taxonomic Information System [5] and Flora of China. [6]Scleria levis Muehlenberg's nutrush – Scleria muehlenbergii Scleria parvula fewflower nutrush – Scleria pauciflora netted nutrush – Scleria reticularis whip nutrush – Scleria triglomerata low nutrush – Scleria verticillata ...
Pilonidal disease is a type of skin infection which typically occurs as a cyst between the cheeks of the buttocks and often at the upper end. [1] [3] Symptoms may include pain, swelling, and redness. [1]
Phimosis (from Greek φίμωσις phimōsis 'muzzling' [9] [10] [11]) is a condition in which the foreskin of the penis cannot stretch to allow it to be pulled back past the glans. [3]
Angular cheilitis is thought to be a multifactorial disorder of infectious origin, [10] with many local and systemic predisposing factors. [11] The sores in angular cheilitis are often infected with fungi (yeasts), bacteria, or a combination thereof; [8] this may represent a secondary, opportunistic infection by these pathogens.