the osmotic pressure of body fluids, vascular volume and angiontensin
HYPOTHALAMUS
A poorly localized area of the hypothalamus called the "thirst center" is stimulated by a dry mouth as well as body dehydration, Projections from the thirst center to the thalamus and then to the conscious cortex inform us that we need water.This triggers the sensation of thirst and initiates the conscious desire for water. The hypothalamus also takes subconscious steps to correct dehydration.
When the concentration of solutes in the blood, especially sodium, increases, the thirst center in the brain is stimulated. This triggers the sensation of thirst, prompting an individual to drink fluids and restore the body's fluid balance.
The thirst and hunger center is located in the brain, specifically the hypothalamus. This region regulates the sensation of thirst and hunger by monitoring nutrient levels and responding to signals from the body. When these levels are out of balance, the hypothalamus triggers appropriate responses to maintain homeostasis.
Can a brain lesion cause excessive thirst even if the pituitary gland is normal? Also where would the lesion be located?
The hypothalamus regulates body temperature, hunger and thirst, and the release of hormones from the pituitary gland.
The "thirst center" in humans is actually the hypothalamus, which is located in the brain and is responsible for maintaining the homeostasis (the balance of all the body's functions). Water is the second most important nutrient after oxygen that the body needs to function.
Hypothalamus
The main center for homeostatic control of the internal environment is the hypothalamus, located in the brain. It regulates various bodily functions such as body temperature, thirst, hunger, and hormone production to maintain a stable internal environment.
Yes, the hypothalamus plays a key role in regulating both thirst and hunger. It helps to maintain body fluid balance by controlling thirst and regulating water intake. Additionally, the hypothalamus regulates appetite by releasing hormones that signal feelings of hunger or fullness.
The Hypothalamus controls body temperature, thirst, fatigue etc.
The nervous system, in particular a part of the brain called the hypothalamus, controls thirst.