saturable , high-affinity binding of [ 3h ] e2 to cytosols prepared from ferret hypothalamus + preoptic area ( h + poa ) , basal temporal lobe , and midbrain + brainstem ( sexes pooled ) was demonstrated 5 days prior to the date of expected parturition ( 42-day gestation ) , as well as on the day of birth and on postnatal days 5 and 10 .
C0025462
midbrain
C0006121
brainstem