한국인대뇌전두극부 (제10피질분야) 뇌구벽부 세포구축학적연구
Studies on the Cytoarchitectonics of the Frontal Pole Area(Brodmann's Area of 10) of the Korean Cerebral Hemisphere

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서울대학교 의과대학
Seoul J Med 1968;9(3):
This investigation is a study on the cytoarchitectonics
of the wall of the cerebral sulcus in the frontal pole
areas of 145 Korean brains(85 brains of the male,
from the newborn to the age of 85, 64 brains of the
female, from the newborn to the age of 61). The
thickness of the total cortex and each cortical layer,
the relative neuron density and the relative glia density
in (IOO,u)' of each cortical layer and the relative total
neuron and glia densities of the cortex were observed
and the results were summerized as follows:
1. The mean thickness of the cortex in the 0-1
year group was 1.58-1. 67 mm. Which was 81.2%
of the adult cortex thickness and increased to 1.801.
90 mm in the 2-5 year group which was 92.2%
of the adult and thereafter it increased to the adult
mean thickness in the 11-15 year group, and thereafter
it was relativery stable. The mean thickness of
the adult cortex was 2.01mm. The thickness of the
cortex increased gradually as the brain weight increased
to 1, 400gms and thereafter it became to decrease.
2. The highest neuron density in the 0-1 year
group decreased rapidly to the adult mean value in
the 11-15 year group and thereafter it was relatively
stable. The mean neuron density of the adult cortex
was 670-687. As the relationship between the neuron
density and the brain weight, it was highest in 300"'"
500 gms. stage of brain weight and decreased gradually
to the adult mean value in the 1,100-1, 199 gms stage
and thereafter became stable.
3. The highest glia density was observed in the 0-1 year
group but it was lower than the neuron density
in the same age group and it decreased very rapidly
to the minimum value in the 2-5 year group and
following this it gradualy increased. In the 500-699
gIT:Is. stage of the brain weight the mean glia density
was highest and decreased very rapidly to the minimun
value in the 1,100-1,199 gms stage, thereafter it
increased graduall; as the brain weight increased.
4. The neuron density and glia density had no
sexual difference and left-right difference.
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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. 09 No.3 (1968)
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