Accessory corpora lutea, lutein cell origin, and the ovarian cycle in the Canadian porcupine.
D000818:Animals; D002170:Canada; D003338:Corpus Luteum; D004971:Estrus; D005260:Female; D006801:Humans; D008184:Luteal Cells; D008597:Menstrual Cycle; D046328:Porcupines
ESTRUS