[Sex and type peculiarities of the topography of the anterior abdominal wall in adult persons of various ages].

In men and in "masculine" shape of the abdomen as compared with women and "feminine" shape of the abdomen the following features of the topography of the anterior-lateral abdominal wall were revealed: a narrower white line, wider straight muscles of the abdomen in their medial and upper parts, less square surface of the lateral muscle-free portions. The inguinal region of men and the "musculine" type of the abdomen are characterized by great dimensions of the superficial and profound rings, weaker aponeurosis of the external oblique abdominal muscle in formation of the anterior wall of the inguinal canal. In elderly and senile age there occur dilatation of the white line, the increase of the amount of chinks and apertures in it as well as of the length of aponeuroses. The superficial inguinal ring expands.