NUMBER AND SIZE OF THYROID FOLLICLES IN GUINEA PIGS OF DIFFERENT AGES.
D000375:Aging; D000818:Animals; D001835:Body Weight; D006168:Guinea Pigs; D009929:Organ Size; D010827:Physiology; D010828:Physiology, Comparative; D012106:Research; D013961:Thyroid Gland
AGING; BODY WEIGHT; EXPERIMENTAL LAB STUDY; GUINEA PIGS; ORGAN WEIGHT; PHYSIOLOGY; PHYSIOLOGY, COMPARATIVE; THYROID GLAND