- Yellow pigment - A concrete juice, or gum resin, produced by several
species of trees in Siam, Ceylon, and Malabar. It is brought in masses,
or cylindrical rolls, from Cambodia, or Cambogia, -- whence its name.
The best kind is of a dense, compact texture, and of a beatiful reddish
yellow. Taking internally, it is a strong and harsh cathartic and
emetic.
- Dark pigment in hair and skin - A black pigment found in the pigment-bearing cells of the
skin (particularly in the skin of the negro), in the epithelial cells
of the external layer of the retina (then called fuscin), in the outer
layer of the choroid, and elsewhere. It is supposed to be derived from
the decomposition of hemoglobin.