Outer segment renewal (Younger, 1967; Youthful and Bok, 1969; Bok and Youthful, 1972; LaVail, 1973),
Outer segment renewal (Younger, 1967; Youthful and Bok, 1969; Bok and Youthful, 1972; LaVail, 1973), the entire process of outer phase renewal is mainly unstudied and very very little is…