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Adipsia can tend to result from lesions to hypothalamic regions involved in thirst regulation. These lesions can be congenital, acquired, trauma, or even surgery. Lesions or injuries to those hypothalamic regions cause adipsia because the lesions cause defects in the thirst regulating center which can lead to adipsia.
Thirst (1886), by William-Adolphe Bouguereau. Thirst is the craving for potable fluids, resulting in the basic instinct of animals to drink. It is an essential mechanism involved in fluid balance. [1] It arises from a lack of fluids or an increase in the concentration of certain osmolites, such as sodium.
Polydipsia is excessive thirst or excess drinking. [1] The word derives from Greek πολυδίψιος (poludípsios) 'very thirsty', [2] which is derived from Ancient Greek πολύς (polús) 'much, many' and δίψα (dípsa) 'thirst'. Polydipsia is a nonspecific symptom in various medical disorders.
This can be due to injury to the hypothalamus or pituitary gland or due to genetics. [1] Nephrogenic DI (NDI), also known as arginine vasopressin resistance (AVP-R), [5] occurs when the kidneys do not respond properly to vasopressin. [1] Dipsogenic DI is a result of excessive fluid intake due to damage to the hypothalamic thirst mechanism. [1]
Homeostatic feeling is a class of feelings (e.g. thirst, fatigue, pain, desire, malaise, well-being) that inform us about our physiological condition. [1] In his earlier work Antonio Damasio used " primordial feeling " but he now prefers the term "homeostatic feeling" for the class.
Angiotensin II increases thirst sensation through the area postrema and subfornical organ of the brain, [33] [34] [35] decreases the response of the baroreceptor reflex, increases the desire for salt, increases secretion of ADH from the posterior pituitary, and increases secretion of ACTH from the anterior pituitary. [33]
That said, intimacy can also become an unhealthy obsession, in some cases exposing you to disease and increasing your risk of injury. And if you find yourself obsessing over it, it may be a clue ...
[1] [2] Low blood protein levels can result in a falsely high sodium measurement. [4] The cause can usually be determined by the history of events. [1] Testing the urine can help if the cause is unclear. [1] The underlying mechanism typically involves too little free water in the body. [6]