- * * *Decrease below normal levels of oxygen in inspired gases, arterial blood, or tissue, short of anoxia. [hypo- + oxygen]- anemic h. h. resulting from a decreased concentration of functional hemoglobin or a reduced number of erythrocytes; it is caused by hemorrhage or anemia of various types, or by poisoning with carbon monoxide, nitrites, or chlorates.- diffusion h. abrupt transient decrease in alveolar oxygen tension when room air is inhaled at the conclusion of a nitrous oxide anesthesia, because nitrous oxide diffusing out of the blood dilutes the alveolar oxygen.- hypoxic h. h. resulting from a defective mechanism of oxygenation in the lungs; may be caused by a low tension of oxygen, abnormal pulmonary function or respiratory obstruction, or a right-to-left shunt in the heart.- ischemic h. tissue h. characterized by tissue oligemia and caused by arterial or arteriolar obstruction or vasoconstriction.- stagnant h. tissue h. characterized not by tissue oligemia (tissue blood volume being normal or even increased), but by intravascular stasis due to impairment of venous outflow or (in some instances) to decreased arterial inflow.
* * *hyp·ox·ia hip-'äk-sē-ə, hī-'päk- n a deficiency of oxygen reaching the tissues of the bodyhyp·ox·ic -sik adj
* * *n.
* * *hy·pox·ia (hi-pokґse-ə) reduction of oxygen supply to tissue below physiological levels despite adequate perfusion of the tissue by blood. Cf. anoxia. hypoxic adj
Medical dictionary. 2011.
Look at other dictionaries:
hypoxia — [hī päk′sē ə, hipäk′sē ə] n. 〚ModL: see HYPO & OXY 1 & IA〛 an abnormal condition resulting from a decrease in the oxygen supplied to or utilized by body tissue hypoxic adj … Universalium
hypoxia — 1941, from HYPO (Cf. hypo ) + OXYGEN (Cf. oxygen). Related: Hypoxic … Etymology dictionary
hypoxia — [hī päk′sē ə, hipäk′sē ə] n. [ModL: see HYPO & OXY 1 & IA] an abnormal condition resulting from a decrease in the oxygen supplied to or utilized by body tissue hypoxic adj … English World dictionary
Hypoxia — Infobox Disease Name = Hypoxia Caption = DiseasesDB = ICD10 = ICD9 = ICD9|799.02 ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = eMedicine mult = MeshID = Hypoxia literally means a deficiency in oxygen. It can refer to:* Hypoxia… … Wikipedia
hypoxia — A state of oxygen deficiency in the body sufficient to cause an impairment of body function. It is caused by the reduction in partial pressure of oxygen, inadequate oxygen transport, or the inability of the tissue to use oxygen. In flying,… … Aviation dictionary
hypoxia — hipoksija statusas T sritis Kūno kultūra ir sportas apibrėžtis Deguonies trūkumas organizmo audiniuose, galintis atsirasti dėl fizinio krūvio, sumažėjusio atmosferos slėgio, patologijos ir kitų priežasčių. kilmė gr. hypô – po, žemiau + lot. oxy… … Sporto terminų žodynas
hypoxia — A condition in which there is a decrease in the oxygen supply to a tissue. In cancer treatment, the level of hypoxia in a tumor may help predict the response of the tumor to the treatment … English dictionary of cancer terms
hypoxia — noun Etymology: New Latin Date: 1941 a deficiency of oxygen reaching the tissues of the body • hypoxic adjective … New Collegiate Dictionary
hypoxia — Condition in which there is an abnormally low level of oxygen in the blood and tissues … Dictionary of molecular biology
hypoxia — noun a) A condition in which tissues (especially the blood) are deprived of an adequate supply of oxygen; anoxia b) A reduced concentration of dissolved oxygen in an aquatic environment. See Also: normoxia … Wiktionary