gran'ule

A small grain. 1. In histology, (a) a minute ma in a cell, or in ground substance, which has a determinate outline, but no apparent structure; (b) any minute ma (e. g., the small cell like bodies in the so-called granular layer of the cerebellar cortex, the acini of the thymus gland, lymph corpuscles, etc.); (c) the nodal or cro ing points of a nuclear or intracellular reticulum or the fibrils of such a reticulum seen endwise. 2. In pharmacy, a small globule, generally composed of sugar and gum tragacanth, combined with a medicinal substance, agminated g's. Small round or angular protoplasm particles found in the blood;