Number of membrane disks in rod photoreceptor cell

Range ~2,000 disks/cell
Organism Toad
Reference F. Rieke and D. A. Baylor, Single-photon detection by rod cells of the retina, Rev. Mod. Phys. 70, 1027 – Published 1 July 1998 DOI: link p.1031 caption to figure 5a
Comments “Outer-segment discs. A toad rod contains about 2000 membrane discs separated by about 30 nm-the initial steps of the phototransduction process occur as different molecular species diffuse and collide on the disc surface.”
Entered by Uri M
ID 111343