Meaning of Dunham. Celtic name. In Celtic, the name Dunham means - Dark skinned fighter.. Other origins for the name Dunham include - Celtic, Irish.The name Dunham is most often used as a boy name or male name. Celtic Name Meaning - Dark skinned fighter. Origin - Celtic.
eyeball. 1  Photoreceptors are the cells in the retina that respond to light. Their distinguishing feature is the presence of large amounts of tightly packed membrane that contains the photopigment rhodopsin or a related molecule.
REQUIRED READING: Kandel text, Chapter 26. The retina is part of the central nervous system, consisting of. light-sensing neurons (rods and cones), interneurons (bipolar, horizontal, and amacrine cells), and retinal ganglion cells that. provide the sole output to higher brain centers. Retinal neurons and circuits are designed to provide information.