Hypothalamus of the autonomic nervous system. It synthesizes and secretes certain neurohormones, called releasing hormones or hypothalamic hormones, and these in turn stimulate or inhibit the secretion of hormones from the pituitary gland. The hypothalamus controls body temperature, hunger, important aspects of parenting and attachment behaviours, thirst, fatigue, sleep, and circadian rhythms. The hypothalamus derives its name from Greek ὑπό, "under" and θάλαμος, thalamus. The hypothalamus is a brain structure made up of distinct nuclei as well as less anatomically distinct areas. It is found in all vertebrate nervous systems. In mammals, magnocellular neurosecretory cells in the paraventricular nucleus and the
Where the Boys Are to head the cast." Natalie Wood, who had just made "All the Fine Young Cannibals" for MGM, was mentioned as a possible star at one stage. MGM eventually persuaded the book's author to change the title from "Unholy Spring" to "Where the Boys Are". Henry Levin was signed to direct. The first two stars confirmed for the movie were George Hamilton and Yvette Mimieux. Paula Prentiss was cast despite never having made a movie before. Connie Francis also made her movie debut. The novel contained a section where the students help raise money to ship arms to Fidel Castro for