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배아(Streeter연령균 XXII)의 1예
A Human Embryo of Streeter Age Group XXII

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Authors
지제근; 박영석
Issue Date
1983-12
Publisher
서울대학교 의과대학
Citation
Seoul J Med, Vol.24 No.4, pp. 442-450
Abstract
A human embryo was obtained from a hysterectomy
specimen from a 41 years old woman who was
operated for the termination of pregnancy. The
embryo was 23.6mm, in length, and it was serially
sectioned in 4,um thickness and reconstructed with
701 section slides.
This embryo was cbaracterized by the thick cornea
forming the mesothelial layer, the optic nerve beginning
to form the sheath layer, turning down and
transitional stage of cochlear tip, remnant of incomplete
stalk of the hypophysis, reduced oral opening
of the vomeronasal organ, the submandibular gland
with the definite lumen in the oral part of the duct
and much branched long duct, few large spoon-shaped
capsule of the kidney with short secretory tubules
and early shaft shell in the cartilage and bone.
From above findings, we concluded that this em bryo
belonged to the age group XXII of Streeter's
developmental horizon.
ISSN
0582-6802
Language
Korean
URI
https://hdl.handle.net/10371/7163
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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. 24 No.4 (1983)
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