melanocyte

(redirected from Pigment cells)
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melanocyte

[mə′lan·ə‚sīt]
(histology)
A cell containing dark pigments.
References in periodicals archive ?
The pigment cells are dominated by very densely staining granules, which surround a moderate to densely staining ovoid cytoplasm and nucleus (Figs.
The reason for this is not clear but may be related to the body's immune system affecting the pigment cells.
Moreover, in many embryos treated with estrogenic compounds, pigment cells were completely absent from the dorsal fin (Figure 5B), and in some cases the dorsal fin itself (which is also a neural crest-derived structure) was absent.
GC, Sutton Coldfield A THIS condition is known as a Mallet streak and is due to the normal pigment cells which give colour to the hair being absent in this area of the scalp.
Pigment cells cover the flounder's skin, Ramachandran says.
This elevation, or "activation," of p53 stimulated the production of a protein called Kit ligand that stimulates the growth of pigment cells, which turned the mice's skin darker than normal.
For example, we demonstrated that majority of melanocytes our pigment cells, are born from peripheral glial cells.
When pigment cells turn off at the end of a hair cycle and fail to turn back on, hair becomes grey.
Each layer has a role: light-detecting cells at the skin's lower surface trigger muscle cells in the middle to adjust pigment cells at the top.
As a result, upon UVB exposure, we saw an increased destruction of PTEN in the mutated pigment cells," said co-author Lixin Wan, an HMS instructor in pathology at Beth Israel Deaconess.
A very important sign to look for in the context of PVD is that of pigment cells (tobacco-dust) in the vitreous.