SHERP

A Human Embryo of Streeter Age Group XIII
사람배아(Streeter 연령군 XIII)의 1예

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Authors
Chi, Je G.; Ham, Don II
Issue Date
1985-09
Publisher
Seoul National University College of Medicine
Citation
Seoul J Med 1985;26(3):269-275
Keywords
EmbryoStreeter age group
Abstract
A human embryo was serially sectioned and was reconstructed with 172 sections.
The length of the embryo was estimated to be 5.6 mm. The embryo was characterized
by optic evagination with thickened lens ectoderm, absence of lens pits, the otic vesicle
without endolymphatic appendage, distinct arm buds and leg buds, lung buds and absence of
the ureteric buds. All these above mentioned findings corresponded to those expected in
Streeter age group XIII. Although age group XIII and XIV share some features seen in this
embryo, absence of lens pits was most helpful to distinguish this embryo from Streeter age
group XlV. This embryo did not show any notable developmental abnormalities. Thus we
concluded that this embryo was normally developed and was in the age group XIII of Streeter's
developmental horizon.
ISSN
0582-6802
Language
English
URI
http://hdl.handle.net/10371/6402
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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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