our collaboration , at that time , was limited to the study of the permeability of the mesentery to the lanthanum nitrate and we came to a final conclusion that the penetration of the heavy salt is impeded by the presence of a basement membrane , localized between the mesothelial and connective tissue layers and that it was continuous to the basal lamina , located between neighbouring mesothelial cells ;
C0004799
basement membrane
C0085872
basal lamina