pigment granule


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pigment granule

A granule seen in pigment cells.
See also: granule
References in periodicals archive ?
Except for the presence of pigment granules, there is a tissue-like ink observed very often throughout the development process at the bottom of the rhabdomeric layer, and to our knowledge, this has not been described in other cephalopod retinas.
The colour changes when the number of pigment granules drop in number - a natural ageing process.
This building houses brand new machines for the production of varnishes, inks, pigment pastes and pigment granules.
The rather ample cytoplasms of the chief cells were amphophilic to clear and contained a variable number of coarse brown-black pigment granules (Figures 2 and 3, A).
During the insect's pupa stage, individual wing cells metamorphose into "ornate hollow shells containing struts, pillars, pigment granules and/or more elaborate constructions," says Helen Ghiradella, a specialist in butterfly scale morphology at the State University of New York at Albany.