A dipsogen is an agent that causes
thirst
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. It arises from a lack of fluids or an increase in the concentration of certain osmolites, suc ...
. (From
Greek: ''δίψα'' ''(dipsa)'', "thirst" and the suffix ''-gen'', "to create".)
Physiology
Angiotensin II
Angiotensin is a peptide hormone that causes vasoconstriction and an increase in blood pressure. It is part of the renin–angiotensin system, which regulates blood pressure. Angiotensin also stimulates the release of aldosterone from the adre ...
is thought to be a powerful dipsogen, and is one of the products of the
renin–angiotensin pathway, a biological
homeostatic
In biology, homeostasis (British also homoeostasis) (/hɒmɪə(ʊ)ˈsteɪsɪs/) is the state of steady internal, physical, and chemical conditions maintained by living systems. This is the condition of optimal functioning for the organism and i ...
mechanism for the regulation of electrolytes and water.
External links
'Fluid Physiology' by Kerry Brandis (from http://www.anaesthesiamcq.com)
Physiology