Publication: Sex-related differences in the nuclear population of postpubertal rat pineal gland. A quantitative study
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Date
1991
Authors
López Muñoz, F. ; Boya, J. ; Calvo, J.L.
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Publisher
Murcia : F. Hernández
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DOI
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info:eu-repo/semantics/article
Description
Abstract
Male and female parenchymal pineal cell
types have been studied throughout postpubertal
development to determine the existence of sex-related
differences on a time basis. Six age groups (2, 3,4, 8, 15
and 24 months) of eight rats (4 males and 4 females) were
used in this study. Nuclei of both parenchymal pineal cell
types were counted in 5 areas of 26.377 pm' per pineal
gland on semithin sections. Nonparametric statistics of
our results (Mann-Whitney U-test and Kruskal-Wallis
H-test) demonstrated significant differences between
male and female pinealocytes through the stages studied.
In all age groups, the number of nuclei per unit area was
larger in female rats. Pineoglial cells did not show
significant sex-related differences.
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