Results 261 to 270 of about 291,384 (314)

Mammary Paget's Disease with Reticulate Pigmentary Pattern. [PDF]

open access: yesIndian Dermatol Online J
Meena A   +5 more
europepmc   +1 more source

The first complete 3D reconstruction and morphofunctional mapping of an insect eye. [PDF]

open access: yesElife
Makarova AA   +9 more
europepmc   +1 more source
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  Disorders of pigmentation

JDDG: Journal der Deutschen Dermatologischen Gesellschaft, 2010
Abstract Normal human skin colour results from the reflection of light from haemoglobin in blood, and carotenoids and melanin pigmentation in the skin. Melanin pigmentation is the major component for determining differences in skin colour between races. Increases and decreases in skin pigmentation (hyperpigmentation and hypopigmentation,
Peter Itin, Susanna K. Fistarol
openaire   +4 more sources

Pigmented Lesions of the Retinal Pigment Epithelium

Optometry and Vision Science, 2015
: The primary eye care practitioner assumes an important role in clinical decisions involving the differentiation between malignant and nonmalignant pigmented lesions. A misdiagnosis may have profound consequences on patient management and visual or life prognosis.
Michael P Hennessy   +3 more
openaire   +2 more sources

The nature of pigment in pigmented apocrine hidrocystoma

Journal of Cutaneous Pathology, 1985
Apocrine hidrocystomas are often pigmented clinically. The cause of this pigmentation is not known. A case of pigmented apocrine hidrocystoma is presented with evidence of melanin as the underlying mechanism of the pigmentation. Review of an additional 150 cases suggests that this is rare.
R. Malhotra, Jag Bhawan
openaire   +3 more sources

PIGMENT AND PIGMENT TUMORS

A.M.A. Archives of Dermatology and Syphilology, 1954
RESEARCH on the biochemistry of melanogenesis can be divided historically into three periods. 1 1. The identification of tryosinase, in 1895, by Bertrand and Bourquelot in certain varieties of mushrooms. 2. The demonstration of "dopa oxidase" in human skin, in 1917, by Bruno Bloch and the elicitation of some of the chemical steps in the conversion ...
Aaron B. Lerner, Thomas B. Fitzpatrick
openaire   +2 more sources

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