Aging changes in the retinal capillary bed of the rat.
D000375:Aging; D000818:Animals; D002196:Capillaries / Q000502:physiology; D002452:Cell Count; D002467:Cell Nucleus / Q000502:physiology; D004727:Endothelium / Q000166:cytology; D008297:Male; D051381:Rats; D012171:Retinal Vessels / Q000502:physiology*