The testis of the fox squirrel in relation to age and seasons.
D000375:Aging / Q000502:physiology*; D000818:Animals; D002980:Climate; D006801:Humans; D008297:Male; D012377:Rodentia; D012589:Sciuridae; D012621:Seasons; D013094:Spermatozoa; D013737:Testis / Q000502:physiology*
AGING/physiology; CLIMATE; RODENTS; SPERMATOZOA; TESTES/physiology