On the visual-cell pattern of a homalopsine snake.
D000221:Adaptation, Ocular; D000818:Animals; D005123:Eye / Q000166:cytology*; D005260:Female; D010786:Photoreceptor Cells / Q000166:cytology; D012160:Retina / Q000166:cytology*; D012911:Snakes / Q000033:anatomy & histology*; D014785:Vision, Ocular / Q000502:physiology