A physiologic condition, perhaps caused by hypertonicity of body fluids, insufficient to initiate drinking but at times sufficient to sustain drinking when started; loosely, oligodipsia. SYN: insensible thirst, subliminal thirst. [hypo- + G. dipsa, thirst]

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hy·po·dip·sia (hi″po-dipґse-ə) [hypo- + dipsia] abnormally diminished thirst. Cf. subliminal thirst, under thirst. hypodipsic adj

Medical dictionary. 2011.

Look at other dictionaries:

  • hypodipsia — n. pathological failure to drink enough to maintain the body s normal plasma osmolality. Like its most extreme form, adipsia, it is most commonly due to lesions of the thirst centre in the anterior hypothalamus …   The new mediacal dictionary

  • hypoposia — Hypodipsia, primarily due to reduced tendency to drink rather than the reduced sensation of thirst. [hypo + G. posis, drinking] * * * hy·po·po·sia (hi″po poґzhə) [hypo + Gr. posis drinking + ia] abnormally diminished ingestion of… …   Medical dictionary

  • oligodipsia — Abnormal lack of thirst. SEE ALSO: hypodipsia. [oligo + G. dipsa, thirst] * * * n. a condition in which thirst is diminished or absent. * * * ol·i·go·dip·sia (ol″ĭ go dipґse ə) [oligo + dipsia] hypodipsia …   Medical dictionary

  • thirst — A desire to drink associated with uncomfortable sensations in the mouth and pharynx. [A.S. thurst] false t. t. that is not satisfied by drinking or taking water; t. associated with a dry mouth but not with a bodily need for water. SYN:… …   Medical dictionary

  • endocrine system, human — ▪ anatomy Introduction  group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …   Universalium

  • adipsia — n.; see hypodipsia …   The new mediacal dictionary