title: Quantitative aspects of structural changes in chorioallantoic placenta of the rat during its development.
abstract: Volume analysis of chorioallantoic placenta of the rat from day 12 through day 22 of fetal development shows quantitatively the changes in volume density of fetal and maternal parts, and changes of volume fractions of structural components along with the increase of absolute volume of the placenta.
mesh_terms: D000818:Animals; D005260:Female; D005333:Fetus / Q000166:cytology; D005865:Gestational Age; D010920:Placenta / Q000166:cytology*; D011247:Pregnancy; D011270:Pregnancy, Animal; D051381:Rats