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.
Layers of the retina. The neural layer of the retina contains five kinds of cells. Photoreceptor cells include rods and cones and are specialized for light absorption. Bipolar cells, cells, and horizontal cells receive information from the photoreceptors and pass information to ganglion cells.cells relay the information to the brain.he neural layer of the retina contains five kinds of cells. Photoreceptor cells include rods and cones and are specialized for light absorption.