CIRCADIAN PERIODICITY IN THE CONCENTRATION OF PROLACTIN IN THE RAT HYPOPHYSIS.
Prolactin activity in the hypophyses of rats maintained under standardized conditions was assayed in pigeons. The concentration of prolactin in the gland exhibited a circadian rhythm.
D002940:Circadian Rhythm; D010507:Periodicity; D010902:Pituitary Gland; D011388:Prolactin; D051381:Rats; D012106:Research
D011388:Prolactin
EXPERIMENTAL LAB STUDY; PERIODICITY; PITUITARY GLAND; PROLACTIN; RATS