Genetic aspects of fertility and endocrine organ size in rats.
D000311:Adrenal Glands / Q000033:anatomy & histology; D000818:Animals; D004702:Endocrine Glands / Q000033:anatomy & histology*; D005260:Female; D005298:Fertility; D006824:Hybridization, Genetic; D007178:Inbreeding; D008297:Male; D010902:Pituitary Gland / Q000033:anatomy & histology; D051381:Rats; D013737:Testis / Q000033:anatomy & histology; D013961:Thyroid Gland / Q000033:anatomy & histology; D014599:Uterus / Q000033:anatomy & histology