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Dyshidrosis is a type of dermatitis, characterized by itchy vesicles of 1–2 mm in size, on the palms of the hands, sides of fingers, or bottoms of the feet. [8] Outbreaks usually conclude within three to four weeks, but often recur.
Relating to its coloration, the young are white with round black spots. The adults have a body colouration with variances of grey and beige, with darker blotches variable in size on the body. Small black spots cover the whole body. In comparison, juveniles have fewer of these black spots than adults, but the spots can be larger, or as large, as ...
A beauty mark or beauty spot is a euphemism for a type of dark facial mark so named because such birthmarks are sometimes considered an attractive feature. [1] Medically, such "beauty marks" are generally melanocytic nevus, more specifically the compound variant. Moles of this type may also be located elsewhere on the body, and may also be ...
Such cells might then aggregate into a spot with an irregular shape. [13] They propose that the protrusion of a flat spot is a result of the death of aged cells in the spot and release of lipofuscin bodies. [13] The aggregating cells would form a capsule, and the dense lipofuscin bodies make the protruding spot soft and dark in color. [13]
It often requires a dermatologist to fully evaluate moles. For instance, a small blue or bluish-black spot, often called a blue nevus, is usually benign but often mistaken for melanoma. [23] Conversely, a junctional nevus, which develops at the junction of the dermis and epidermis, is potentially cancerous. [24]
The body is almost round, with a large shield. The basic color of the upperside of the body is red, with wide black longitudinal stripes. The pronotum has six black bands. The antennae are black. Also the sides of the abdominal segments (connexivum) are red with many small black spots.
The adult males grow up to 13–15 millimetres (0.51–0.59 in) long, while females can reach 15–18 millimetres (0.59–0.71 in) of length. In both sexes, the basic coloration of the body is light green, with many small black spots. The eyes are bright orange.
The most common color is blue, although they can be blue-gray, blue-black or even deep brown. The Mongolian spot is a congenital developmental condition exclusively involving the skin. The blue colour is caused by melanocytes, melanin-containing cells, that are deep under the skin. [6]