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melanosome
(redirected from Melanosomes)

   Also found in: Encyclopedia, Wikipedia 0.02 sec.
melanosome /mel·a·no·some/ (mel´ah-no-sōm″) any of the granules within the melanocytes that contain tyrosinase and synthesizes melanin; they are transferred from the melanocytes to keratinocytes.
mel·a·no·some (ml-n-sm, m-ln-)
n.
Any of the usually oval pigment granules that are produced by melanocytes.

melanosome
[mel′ənōsōm′]
one of the oval pigment granules within melanocytes that synthesize melanin.

melanosome [mel´ah-no-sōm″]
any of the granules that contain melanin. The melanin is synthesized within melanocytes; then the melanosomes are transferred to keratinocytes.

melanosome
any of the granules that contain melanin. The melanin is synthesized within melanocytes, then the melanosomes are transferred to keratinocytes.


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Dark skinned people have larger melanosomes (cells which give color to your skin) and these cells contain melanin in greater proportions as compared to the cells present in white skin.
Examining feather fossils from the Messel Shale in Germany with an electron microscope, scientists have documented this smooth layer of melanin structures, called melanosomes.
A disturbance in the maturation of melanosomes results in hypopigmentation, whereas a deficiency of platelet dense granules causes a chronic bleeding problem owing to defective secretion of compounds essential for activation of platelets.
 
 
 
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