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.
Bottom, The chronological order of generation of mammalian retinal cell types. Retinal ganglion and horizontal cells are generated first, followed, in overlapping phases, by cone-photoreceptors, amacrine cells, rod-photoreceptors, bipolar cells and, finally, Muller glia cells. The numbers relate to embryonic and postnatal days of murine development.