TY - GEN AU - Roach,J L AU - Wiersma,C A TI - Differentiation and degeneration of crayfish photoreceptors in darkness SN - 0302-766X PY - 1975///0411 KW - Animals KW - Animals, Newborn KW - Astacoidea KW - anatomy & histology KW - Cell Differentiation KW - Darkness KW - Escape Reaction KW - Light KW - Microscopy, Electron KW - Photoreceptor Cells KW - growth & development KW - Retina KW - Time Factors N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1007/BF00226602 ER -