hypophysis

US /haɪˈpɑːf.ə.sɪs/
UK /haɪˈpɑːf.ə.sɪs/
1.

hipófisis

a small organ at the base of the brain that controls the growth and activity of the body by producing hormones (= chemicals made by living cells):

:
A study was made of the circadian activity of the thyroid gland, adrenal gland, and hypophysis in 34 subjects.