October 1979
Volume 18, Issue 10
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Articles  |   October 1979
Turnover of mouse photoreceptor outer segments in constant light and darkness.
Investigative Ophthalmology & Visual Science October 1979, Vol.18, 1019-1024. doi:
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      J C Besharse, J G Hollyfield; Turnover of mouse photoreceptor outer segments in constant light and darkness.. Invest. Ophthalmol. Vis. Sci. 1979;18(10):1019-1024.

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

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Abstract

Pigmented mice differ from frogs in that lighting regime has only a small effect on rod outer segment turnover. During 8 days in constant light or darkness, disc addition measured as total displacement of a radioactive band in rod outer segments of mice which has received injections of tritiated amino acids was never modified by more than 7% compared to cyclic light controls. Disc shedding continued in each lighting regime, and as judged from outer segment dimensions, disc shedding approximately balanced disc addition.

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