Evidence of continuous evolutionary change in structures mediating adherence of lymphocytes to specialised venules.
D000818:Animals; D001345:Autoradiography; D005075:Biological Evolution; D002448:Cell Adhesion; D002645:Chickens; D010856:Columbidae; D006224:Cricetinae; D004727:Endothelium / Q000502:physiology; D005629:Frozen Sections; D006168:Guinea Pigs; D006801:Humans; D008214:Lymphocytes / Q000502:physiology*; D051379:Mice; D011784:Quail; D011817:Rabbits; D051381:Rats; D014680:Veins / Q000166:cytology*; D014699:Venules / Q000166:cytology*