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A Comparative Study on Human Cerebrocortical Cytoarchitectonics; Effects of Aging and Brain Weight Increase on Cortices of Premotor area (Brodmann's area 6) and Precortical Gyrus (Brodmann's area 4) in Human Brain
대뇌피질(大腦皮質)의 비교세포구축학적(比較細胞構築學的) 연구; 가령(加齡) 및 가중(加重)의 인대뇌운동전야(人大腦運動前野와 중심전회(中心前回) 피질(皮質)에 대한 영향

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Authors
Young Ho, Kim; Seoung, Key June; Hwang, Young III
Issue Date
1985-03
Publisher
Seoul National University College of Medicine
Citation
Seoul J Med, Vol.26 No.2, pp. 125-130
Keywords
CytoarchitectonicsBrodmann's Area 4 and 6 of Man
Abstract
The cytoarchitectures and aging effects between summital cortex of the precentral
gyrus(Brodmann's area 4) and caudal sulcal cortex of the premotor area(Brodmann's area
6; 6a) were compared in terms of comparative cytoarchitectonics in normal 418 cerebral
hemispheres of 209 postnatal brains (115 of males' and 94 of females'). Statistical constancy
of the relative total neuronal density in both cortices was noticed throughout the postnatal life
span regardless of the aging and brain weight increase, except in 0-1 year old age group and
300-499 gm of brain weight group.
An insinuating increment of relative total glial densities were shown according to successive
increase of age, and the denser values in premotor cortex were noted than that of precentral
gyrus in both sex and side. In adult, the relative total neuronal density was not directly
affected by the cortical thickness and aging, but the relative total glial density was so affected
by the cocrtical thickness, and aging, but not by brain weight.
ISSN
0582-6802
Language
English
URI
https://hdl.handle.net/10371/5686
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Medicine (의학과)The Seoul Journal of MedicineThe Seoul Journal of Medicine Vol. 26 No.2 (1985)
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