[Development of thymic postcapillary venules in human prenatal ontogenesis].
Postcapillary venules with high endotheliocytes as paths of lymphocyte migration differentiate in corticomedullary zone of thymus in human 4-5 months old foetuses. Development of postcapillary venules from blood capillaries is closely associated with zonal differentiation of the organ substance and intensification of lymphocyte recirculation in the fetal immune system.
Petrenko
V M
VM
Department of Human Anatomy, I.I. Mechnikov Medical Academy, St. Petersburg.
D002196:Capillaries / Q000196:embryology; D002454:Cell Differentiation / Q000502:physiology; D005314:Embryonic and Fetal Development / Q000502:physiology; D004730:Endothelium, Vascular / Q000166:cytology / Q000196:embryology; D006801:Humans; D008214:Lymphocytes / Q000276:immunology; D013950:Thymus Gland / Q000098:blood supply* / Q000196:embryology / Q000276:immunology; D014699:Venules / Q000196:embryology