23. Diencephalon: Hypothalamus & Nuclei

What two major bodily systems are under the master control of the hypothalamus?

1. Autonomic nervous system, 2. Endocrine system

From what limbic structure does the mammillary body receive neural input?

Hippocampus

What two functions are regulated by the mammillary body?

Behavior and memory

What hormone is synthesized by the paraventricular nucleus of the hypothalamus?

Oxytocin

What physical event is stimulated by oxytocin during labor?

Uterine contractions

At what time does oxytocin trigger uterine contractions?

During contraction

What hormone is synthesized by the supraoptic nucleus of the hypothalamus?

Antidiuretic hormone

What is the standard abbreviation for antidiuretic hormone?

ADH

What physiological drive is regulated by the arcuate nucleus of the hypothalamus?

Appetite

What endocrine gland is controlled by releasing hormones from the arcuate nucleus?

Anterior pituitary

What physiological function is served by the preoptic nucleus of the hypothalamus?

Body's internal thermostat

What feeding control centers are located in the ventromedial nucleus of the hypothalamus?

Satiety centers

What hormone secretion is regulated by the suprachiasmatic nucleus?

Melatonin secretion

What environmental cues are interpreted by the suprachiasmatic nucleus?

Light and dark information

What bodily rhythms are coordinated by the suprachiasmatic nucleus?

Circadian patterns

What sensory experience is controlled and modulated by the posterior nucleus of the hypothalamus?

Pain control