Low levels of progesterone and estrogen cause the hypothalamus to send a releasing hormone (GnRH) to the pituitary gland. The releasing hormone signals the pituitary gland to release FSH (follicle ...

The pituitary gland is protected and housed by the sella turcica or bony structure that does not leave much room for any expansion. The hypothalamus, the part of the brain that sits just above the ...

Compared to sugar, consuming sucralose-a widely used sugar substitute-increases activity in the hypothalamus, a brain region that regulates appetite and body weight, according to a new USC study.