title: Cytoplasmic progesterone receptor concentrations in the hen hypothalamus and pituitary: difference between laying and nonlaying hens and changes during the ovulatory cycle.
mesh_terms: D000818:Animals; D002645:Chickens / Q000378:metabolism*; D003593:Cytoplasm / Q000378:metabolism; D005260:Female; D007031:Hypothalamus / Q000378:metabolism*; D007700:Kinetics; D010060:Ovulation; D010902:Pituitary Gland / Q000378:metabolism*; D011374:Progesterone / Q000097:blood; D011980:Receptors, Progesterone / Q000378:metabolism*
chemical_list: D011980:Receptors, Progesterone; D011374:Progesterone