“…The medial preoptic area is concerned functionally with thermoregulation (Hammel, 1968;Hayward & Baker, 1968), water balance (Hayward & Baker, 1968;Fitzsimons, 1972;van Gemert, Miller, Carey & Moses, 1975), sexual behaviour (Numan, 1974;Pfaff, Daikow, Zigmond & Kow, 1974) and endocrine function, in particular the regulation of pituitary gonadotropin secretion (Halasz, 1969;Cramer & Barraclough, 1973). Until recently there was relatively little data on neuronal connexions between MPOA-AHA and MBH.…”