[Study of correlations linking the volumes of the hypophyseal lobes and the epiphysis to body and brain weights in Chiroptera]
[Article in
French]
- PMID: 1016743
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[Study of correlations linking the volumes of the hypophyseal lobes and the epiphysis to body and brain weights in Chiroptera]
[Article in
French]
Bull Assoc Anat (Nancy).
1976 Mar.
Abstract
Study of the correlations binding the different lobes of the hypophysis and the pineal gland to body weight and brain weight in Chiroptera shows that the hypophysis is better correlated to body and brain weight than the pineal gland, fact that we already observed in Rodents and Primates. The allometry coefficient (M.R.A.) related to body weight varies from 0,80 to 0,98 for the hypophyseal lobes. The value of this coefficient for the pineal gland (1,60) is greater than that found (1,009) in another group of Mammals (Insectivora, Lemurians and Primates). It is less sure as the important variations in volume of this gland determine a lower correlation coefficient.
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