Allometry and morphometry of the inguinal region in human fetuses. 2009

J S Brito-Lima, and L C B Gusmão, and A J C Ramalho, and A C Alves-Filho, and J S Cavalcanti, and G O Silva-Junior
Department of Anatomy, Federal University of Alagoas, Maceió, Brazil. jsbl.br@oi.com.br

BACKGROUND The aim of this study was to assess the growth rate of the inguinal region in Brazilian fetuses, irrespective of the knowledge of ethnic genetic background. METHODS We studied 28 human fetuses ranging from 19 to 30 weeks of gestation. Gestational age (GA), crown-rump length (CRL), and body mass (BM) were measured. RESULTS Our results indicate that there was not a significant difference between genders for the inguinal ligament length and inguinal region area (IA). With this study, we can conclude that, in the second and third trimester of gestation, the IA has a strong correlation with the GA and CRL. There is sexual dimorphism only in the second trimester of gestation when we analyzed the growth rates in the IA versus the CRL and GA. CONCLUSIONS However, a relationship between these findings and the development of an inguinal hernia cannot be established, and further studies are necessary.

UI MeSH Term Description Entries
D008297 Male Males
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D005260 Female Females
D005315 Fetal Diseases Pathophysiological conditions of the FETUS in the UTERUS. Some fetal diseases may be treated with FETAL THERAPIES. Embryopathies,Disease, Fetal,Diseases, Fetal,Embryopathy,Fetal Disease
D006119 Groin The external junctural region between the lower part of the abdomen and the thigh. Groins
D006552 Hernia, Inguinal An abdominal hernia with an external bulge in the GROIN region. It can be classified by the location of herniation. Indirect inguinal hernias occur through the internal inguinal ring. Direct inguinal hernias occur through defects in the ABDOMINAL WALL (transversalis fascia) in Hesselbach's triangle. The former type is commonly seen in children and young adults; the latter in adults. Inguinal Hernia,Inguinal Hernia, Direct,Inguinal Hernia, Indirect,Direct Inguinal Hernia,Direct Inguinal Hernias,Hernia, Direct Inguinal,Hernia, Indirect Inguinal,Hernias, Direct Inguinal,Hernias, Indirect Inguinal,Hernias, Inguinal,Indirect Inguinal Hernia,Indirect Inguinal Hernias,Inguinal Hernias,Inguinal Hernias, Direct,Inguinal Hernias, Indirect
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D034861 Abdominal Wall The outer margins of the ABDOMEN, extending from the osteocartilaginous thoracic cage to the PELVIS. Though its major part is muscular, the abdominal wall consists of at least seven layers: the SKIN, subcutaneous fat, deep FASCIA; ABDOMINAL MUSCLES, transversalis fascia, extraperitoneal fat, and the parietal PERITONEUM. Wall, Abdominal

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