31. Growth of the Brain in the Rhesus Monkey

Publication Type:Journal Article
Year of Publication:1938
Authors:Zuckerman, S, Fisher, RB
Journal:Proceedings of the Zoological Society of London
Date Published:1938
ISBN Number:1469-7998
Keywords:Macaca mulatta

SUMMARY. * 1 There is no significant growth in the brain of the male and female Rhesus Monkey after the permanent incisors and the second molars are in place. In the preceding period that intervenes between the eruption of these teeth and the first molars the brain increases 10 per cent, or more in weight. * 2 There is a significant correlation of body-weight and brain-weight during, but not after, the period in which the brain grows. * 3 The mean weight of the fully-grown brain of the male Rhesus (89.45 gm.) is significantly greater than that of the female (82.03 gm.). There is also a significant sexual difference in adult body-weight.

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