The iris is the heavily pigmented colored part of the eye.

Some heavily pigmented lesions of the membrane that line the eyelids (conjunctiva).

The bases of the fins are heavily pigmented, except for the ventral fins.

Pelvic fins may be darker and heavily pigmented.

The third instar has narrow or not heavily pigmented posterior spiracles and varying distribution of spines.

In the second week, the rhinarium becomes distinctive and heavily pigmented.

Thus, it is also known as the nucleus pigmentosus pontis, meaning "heavily pigmented nucleus of the pons."

This does not happen with a solid, heavily pigmented gouache.

In heavily pigmented lesions, dense aggregates of melanin can obscure histologic detail.

The underside of the cape is heavily pigmented, masking most of the body's photophores.