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.
Bipolar cells of the retina synapse on retinal ganglion cells (RGCs) in the inner plexiform layer of the retina, and pass on integrated signals from the photoreceptors of the retina. RGCs also make lateral connections with amacrine cells in the inner plexiform layer (1).