Comparison of capillary density in skeletal muscles of animals differing in respect of their physical activity--the hare (Lepus europaeus), the domestic rabbit (Oryctolagus domesticus), the brown rat (Rattus norvegicus) and the trained and untrained rat.
D000222:Adaptation, Physiological; D000818:Animals; D001522:Behavior, Animal; D005075:Biological Evolution; D001835:Body Weight; D002196:Capillaries / Q000033:anatomy & histology / Q000502:physiology*; D003720:Densitometry; D009132:Muscles / Q000098:blood supply* / Q000502:physiology; D009929:Organ Size; D005082:Physical Exertion; D011817:Rabbits; D051381:Rats; D013045:Species Specificity