September 1979
Volume 18, Issue 9
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Articles  |   September 1979
The early appearance of disc shedding in the rat retina.
Investigative Ophthalmology & Visual Science September 1979, Vol.18, 913-917. doi:
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      M Tamai, G J Chader; The early appearance of disc shedding in the rat retina.. Invest. Ophthalmol. Vis. Sci. 1979;18(9):913-917.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Postnatal development of the processes of rod outer segment shedding and phagocytosis was examined in 10- to 50-day-old rats. The number of phagosomes increased gradually from a minimallevel in the second postnatal week to that of the adult at 4 weeks after birth. No differences were observed in animals raised under two different light intensities i.e., relatively bright (45 to 50 ft-cd) and very dim (0.3 to 0.5 ft-cd). A definite circadian rhythm was observed first in 15-day-old animals, indicating that this is an important internal control mechanism that is synchronized with eye opening and the initiation of visual function.

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