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태생기 중 대동맥활 및 그 분지에서 내측층판단위의 발생에 관한 형태학적 연구

Other Titles
 Morphological Study on the Development of Medial Lamellar Unit in the Wall of Aorta and its Major Branches in Human Fetuses 
Authors
 박형우  ;  이용희  ;  송세훈 
Citation
 Korean Journal of Anatomy (대한해부학회지), Vol.32(1) : 11-16, 1999 
Journal Title
Korean Journal of Anatomy(대한해부학회지)
ISSN
 1225-1305 
Issue Date
1999
Keywords
Human fetus ; Medial lamellar unit ; Arch of aorta ; Brachiocephalic trunk ; Left common carotid artery ; Left subclavian artery
Abstract
The structure of the arterial wall is formed and controlled by various hemodynamic factors in the adults and fetuses. Furthermore, recent studies of human fetuses at varying stages confirmed that the number of elastic medial lamellar unit(MLU) increased with age and decreased along it length from arch to lower abdominal aorta. Using human fetuses between 9 to 28 week of development, we traced the change in the number of MLU along the arch of aorta from which 3 major branches, the brachiocephalic trunk, left common carotid artery, left subclavian artery, arose. The number of MLU along the arch of aorta increased with age, but there were regional differences in the increase. Increase in the number of MLU was prominent in the proximal part of the arch before 15 week of development, but in the distal part after 15 week of development. Branch with greater diameter had more MLU. So the brachiocephalic trunk had the most MLU among 3 branches. When compare the sum of number of MLU in one branch (A) and in the arch after origin of branch (B) to the number of MLU in the arch before origin of brahch (C), A+B was always greater than C. This means that the MLU does not form a complete sheet along the aorta and new MLU is added to the wall of branch probably due to shear stress.
Full Text
http://digital.kyobobook.co.kr/digital/article/articleDetail.ink?barcode=4010022954395
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Anatomy (해부학교실) > 1. Journal Papers
Yonsei Authors
Park, Hyoung Woo(박형우) ORCID logo https://orcid.org/0000-0002-5341-9249
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/172837
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