3. WHAT IS HYPOTHALAMUS?
• The portion of the brain that contains a
number of small nuclei with a variety of
functions.
• The control center of all autonomic
regulatory activities of the body.
4.
5.
6. LOCATION AND STRUCTURE
• It is located in the middle of the base of the brain,
and encapsulates the ventral portion of the third
ventricle.
• A small cone-shaped structure, it projects
downward, ending in the pituitary stalk, a tubular
connection to the pituitary gland.
7.
8. FUNCTION
• The most important functions of the
hypothalamus is to link the nervous system to
the endocrine system via the pituitary gland.
• It synthesizes and secretes
certain neurohormones, often called
hypothalamic-releasing hormones, and these
in turn stimulate or inhibit the secretion of
pituitary hormones.
20. NEUROHORMONES
• Hormone~ Vasopressin
• Other names ~ antidiuretics hormone
• Symbols (s)~ ADH/AVP
• Increased water permeability in the distal
convoluted tubule and collecting duct of
nephrons, thus promoting water reabsorption
and increasing blood volume
