from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A clear intracellular protein present in the stratum lucidum of the skin, a transformation product of keratohyalin.
from the GNU version of the Collaborative International Dictionary of English
- n. Lifeless matter deposited in the form of minute granules within the protoplasm of living cells.
from The Century Dictionary and Cyclopedia
- n. In chem., a substance found in the stratum granulosum and elsewhere in the epidermis, and staining very deeply with carmine: regarded by Waldeyer as identical with hyaline, and called on that account by Unna ceratohyalin.
Sorry, no etymologies found.
It is composed of rows of polyhedral cells, containing granules of eleidin and frequently air spaces.
The stratum granulosum comprises two or three layers of flattened cells which contain granules of eleidin, a substance readily stained by hematoxylin or carmine, and probably an intermediate substance in the formation of keratin.