Assertion: prolactin's activity | /r/HasProperty | hydroxylase
Facets:
Source sentences:
text: Hypothalamo-hypophysial portal blood concentrations of dopamine (140), the activity of tyrosine hydroxylase (287), the turnover of dopamine in the median eminence (411), and the subsequent concentration of dopamine in the anterior lobe of the pituitary gland (420) have been reported to decline on proestrus before the increase in prolactin secretion.