Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 878
um. When examinedseparately, these cells are found tohave a polygonal form (Fig. 464, a),and to have a distinct nucleus (&) intheir interior. The black colour isgiven by the accumulation, within eachcell, of a number of flat rounded oroval granules, of extreme minuteness,which exhibit an active… … Cells from Pigmentum Ni-grum:—«, pigmentary granulesconcealing the nucleus ; b, thenucleus. 792 VERTEBKATED ANIMALS. Fig. 465.
Microscopy · Biology
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