Elsevier

Brain Research

Volume 361, Issues 1–2, 30 December 1985, Pages 267-275
Brain Research

Senile plaques in cortex of aged normal monkeys

https://doi.org/10.1016/0006-8993(85)91298-3Get rights and content

Abstract

The density, type, and distributions of cortical senile plaques were determined in 6 aged rhesus monkeys. Plaque densities were highest in prefrontal and temporal cortices and lowest in occipital cortex. Neurite plaques contained many argentophilic neurites and little amyloid, mixed plaques had both neurites and amyloid, and amyloid plaques showed significant amounts of amyloid and fewer numbers of neurites. As total plaque densiry increased, there was a linear increase in the density of amyloid plaques, suggesting that plaques evolve from neurite, to mixed, to amyloid types.

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