Electron microscope and low-angle x-ray diffraction studies on outer segment membranes from the retina of the frog.
D000818:Animals; D001001:Anura; D066298:In Vitro Techniques; D008854:Microscopy, Electron; D012160:Retina / Q000033:anatomy & histology*; D011984:Sensory Receptor Cells / Q000166:cytology*; D014961:X-Ray Diffraction