RETINAL
Source: 567
Ret″i‐nal (?), a. (Anat.) Of or pertaining to the retina. Retinal purple (Physiol. Chem.), the visual purple.
Source: 567
Ret″i‐nal (?), a. (Anat.) Of or pertaining to the retina. Retinal purple (Physiol. Chem.), the visual purple.