title: [The significance of the labor theory of F. Engels for a study of the anatomy of the intraorganic blood vessels. (Data on evolutionary anatomy of the vascular system)].
mesh_terms: D005075:Biological Evolution; D001808:Blood Vessels / Q000033:anatomy & histology*; D002319:Cardiovascular System; D005260:Female; D006652:Histological Techniques; D006801:Humans; D007743:Labor, Obstetric; D011247:Pregnancy
keywords: BLOOD VESSELS/anatomy and histology