Mitosis and meiosis; Unifactorial and multifactorial inheritance, mutations; The germ cells; The histology of the female genital tract, menstruation and its control; Fertilization, cleavage and ovum transport; Formation of germ layers (gastrulation) and early development; Implantation, the fetal membranes and placenta formation; Maternal changes during pregnancy and lactation; The mesodermal somites; The development of the nervous system; The branchial region, mouth, palate, nose and face; The heart and the vascular system; Coelom, lungs, diaphragm; Urogenital system 1: mesonephros, cloaca, suprarenal gland, kidney; Urogenital system 2: gonads, internal and external genitalia; Digestive system; Growth and development from conception to adolescence; Embryopathy and prenatal diagnosis; Interacting systems operative during development and differentiation.