Development of the vermiform appendix during the fetal period

This study aimed to determine the location and development of the vermiform appendix (VA) in terms of morphometry. It was carried out on 80 human fetuses that exhibited neither external pathology nor anomaly and whose gestational ages were between 10 and 40 weeks. The location of the VA and cecum wa...

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Bibliographic Details
Published in:Surgical and radiologic anatomy (English ed.) 2004-06, Vol.26 (3), p.202-207
Main Authors: MALAS, M. Ali, SULAK, O, GÖKCIMEN, A, SARI, A
Format: Article
Language:English
Subjects:
Age Factors
Anatomy & physiology
Appendix - embryology
Biological and medical sciences
Cecum - embryology
Cell Aggregation
Chi-Square Distribution
Embryonic and Fetal Development - physiology
Female
Fetuses
Fundamental and applied biological sciences. Psychology
Gestational Age
Humans
Intestinal Mucosa - embryology
Intestine. Mesentery
Lymphocytes - cytology
Male
Muscular system
Organogenesis - physiology
Serous Membrane - embryology
Sex Factors
Statistics, Nonparametric
Vertebrates: digestive system
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Summary:This study aimed to determine the location and development of the vermiform appendix (VA) in terms of morphometry. It was carried out on 80 human fetuses that exhibited neither external pathology nor anomaly and whose gestational ages were between 10 and 40 weeks. The location of the VA and cecum was established. Total VA diameter, lumen diameter, wall thickness, serosa, muscularis and mucosa thickness were measured on microscope slides. The VA was almost always observed in the subcecal region during the fetal period. The length of the VA and the attachment length of the meso-appendix to the VA increased with the gestational age. Lymphocyte aggregation was first seen at the 17th week of the fetal period. Positive and meaningful correlation was found between gestational age and morphometric parameters of the VA. A significant difference was found between the genders in the thickness of mucosa, which was larger in girls (p
ISSN:0930-1038
1279-8517
DOI:10.1007/s00276-003-0208-9