Hypothalamus Flash Cards - Anatomy & Physiology

()Map ENDOCRINE SYSTEM (Map) ENDOCRINE FLASH CARDS FLASH CARDS

Hypothalamus

Question	Answer		Article
Describe the location of the hypothalamus.	The hypothalamus is in the ventral diencephalon in the floor of the third ventricle.		Link to Article
Name the 6 nuclei of the hypothalamus and their individual functions.	Paraventricular - Production of Oxytocin and ADH Supraoptic - Production of Oxytocin and ADH Suprachiasmatic - Circadian Rhythm and Biological Clock Lateral - Arousal Arcuate - Energy Mamillary - Wakefulness		Link to Article
Name the three things which the hypothalamus detects using direct receptors:	Termperature Osmolarity of the Blood Energy Balance		Link to Article
List the Hormones synthesised in the hypothalamus	ADH Oxytocin Thyrotropin Releasing Hormone (TRH) Growth Hormone Releasing Hormone (GH-RH) Gonadotrophin Releasing Hormone (GnRH) Corticotropin Releasing Hormone (CRH) Prolactin Releasing Hormone (PRL-RH) Growth Hormone Inhibiting Hormone aka Somatostatin (GH-IH) Gonadotrophin Inhibiting Hormone (GnIH) Dopamine (PRL-IH)		Link to Article
Locate the hypothalamus on this diagram:	See below		Link to Article
Describe what is meant by Negative Feedback with respect to the hypothalamus.	The hypothalamus releases hormones which cause a response from other organs. The response then feeds back to the hypothalamus to limit the production of it's original hormone. This is a self-limiting system enabling the hypothalamus to control homeostasis.		Link to Article

Canine Brain Cross Section Courtesy of BioMed Image Archive