Publication: Retinal epithelial fine structure in the vervet monkey (Cercopithecus aethiops)
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Date
1988
Authors
Braekevelt, Charlie R.
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Publisher
Murcia : F. Hernández
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DOI
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info:eu-repo/semantics/article
Description
Abstract
The morphology of the retinal pigment
epithelium (RPE) and closely associated Bruch's
membrane (complexus basalis) and choriocapillaris have
been investigated by electron microscopy in the vervet
monkey (Cercopithecus aethiops). The RPE is composed
of a single layer of cuboidal cells joined laterally by
apically-located junctional complexes. Basally (sclerally)
these cells display numerous infoldings while apically
(vitreally) abundant processes enclose and interdigitate
with rod outer segments. Internally the large vesicular
nucleus is centrally located and smooth endoplasmic
reticulum. mitochondria and lysosome-like bodies. are
plentiful. Rough endoplasmic reticulum, polysomes and
melanosomes while present are not abundant. Phagosomes
of outer segment discs are noted in various stages of
uptake and degradation. The choriocapillaris is highly
fenestrated over large areas. Bruch's membrane shows
the typical pentalaminate structure noted in other
mammalian species without a tapetum lucidum.
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