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Medical Dictionary


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hypnoanalytic (hip′no-an-a-lit′ik)
Pertaining to hypnoanalysis.

hypnocatharsis (hip′no-ka-thar′sis)
Ventilation of suppressed or repressed emotional tension, conflicts, and anxiety under hypnosis. [hypno- + G. katharsis, purification]

hypnocyst (hip′no-sist)
A quiescent or “sleeping” cyst; an encysted protozoon, the reproductive activity of which is in abeyance. [hypno- + G. kystis, bladder (cyst)]

hypnogenesis (hip-no-jen′e-sis)
The induction of sleep or of the hypnotic state. [hypno- + G. genesis, production]

hypnogenic, hypnogenous (hip-no-jen′ik, -noj′e-nus)
1. Relating to hypnogenesis. 2. An agent capable of inducing a hypnotic state. See hypnosis.

hypnoid
SYN: hypnoidal.

hypnoidal (hip-noy′dal)
Resembling hypnosis; denoting the subwaking state, a mental condition intermediate between sleeping and waking. See hypnagogic. SYN: hypnoid. [hypno- + G. eidos, resemblance]

hypnophobia (hip-no-fo′be-a)
Morbid fear of falling asleep. [hypno- + G. phobos, fear]

hypnopompic (hip-no-pom′pik)
Denoting the occurrence of visions or dreams during the drowsy state following sleep. [hypno- + G. pompe, procession]

hypnosis (hip-no′sis)
An artificially induced trancelike state, resembling somnambulism, in which the subject is highly susceptible to suggestion, oblivious to all else, and responds readily to the commands of the hypnotist; its scientific validity has been accepted and rejected through several cycles during the past two centuries. See mesmerism. SYN: hypnotic sleep, hypnotic state. [G. hypnos, sleep, + -osis, condition] lethargic h. the deep sleep following major h.. SYN: trance coma. major h. a state of extreme suggestibility in h. in which the subject is insensible to all outside impressions except the commands of the hypnotist. minor h. an induced state resembling normal sleep in which the subject is susceptible to suggestion, though not to the extent of catalepsy or somnambulism.

hypnotherapy (hip-no-thar′a-pe)
1. Psychotherapeutic treatment by means of hypnotism. 2. Treatment of disease by inducing a trance-like sleep.

hypnotic (hip-not′ik)
1. Causing sleep. 2. An agent that promotes sleep. SYN: soporific (2) . 3. Relating to hypnotism. [G. hypnotikos, causing one to sleep]

hypnotism (hip′no-tizm)
1. The process or act of inducing hypnosis. SYN: somnolism. 2. The practice or study of hypnosis. See mesmerism. [G. hypnos, sleep]

hypnotist (hip′no-tist)
One who practices hypnotism.

hypnotize (hip′no-tiz)
To induct one into hypnosis.

hypnozoite (hip-no-zo′it)
Exoerythrocytic schizozoite of Plasmodium vivax or P. ovale in the human liver, characterized by delayed primary development; thought to be responsible for malarial relapse.

hypo-
1. Prefix denoting deficient, below normal. SEE ALSO: hyp-. Cf.:sub-. 2. In chemistry, denoting the lowest, or least rich in oxygen, of a series of chemical compounds. [G. hypo, under]

hypoacidity (hi′po-a-sid′i-te)
A lower than normal degree of acidity, as of the gastric juice.

hypoacusis (hi′po-a-koo′sis)
SYN: hypacusis.

hypoadenia (hi-po-a-de′ne-a)
Any deficiency in the function of a glandular organ or tissue. [hypo- + G. aden, gland]

hypoadrenalism (hi′po-a-dre′nal-izm)
Reduced adrenocortical function.

hypoalbuminemia (hi′po-al-boo-mi-ne′me-a)
An abnormally low concentration of albumin in the blood. SYN: hypalbuminemia.

hypoaldosteronism (hi′po-al-dos′ter-on-izm)
A condition due to deficient secretion of aldosterone; can occur in two forms: 1) as part of generalized adrenocortical insufficiency; 2) as a selective deficiency caused by a primary defect of the adrenal gland or a defect in control of aldosterone secretion. hyporeninemic h. selective aldosterone deficiency resulting from low renin production. isolated h. SYN: selective h.. selective h. aldosterone deficiency without a concomitant deficiency of glucocorticoid hormones. SYN: isolated h..

hypoaldosteronuria (hi′po-al-dos′ter-on-oo′re-a)
Abnormally low levels of aldosterone in the urine.

hypoalgesia (hi-po-al-je′ze-a)
SYN: hypalgesia. [hypo- + G. algesis, a sense of pain]

hypoalimentation (hi′po-al-i-men-ta′shun)
SYN: subalimentation.

hypoazoturia (hi′po-az-o-too′re-a)
Excretion of abnormally small quantities of nonprotein nitrogenous material (especially urea) in the urine. SYN: hypazoturia. [hypo- + Fr. azote, nitrogen, + G. ouron, urine]

hypobaria (hi-po-bar′e-a)
SYN: hypobarism.

hypobaric (hi-po-bar′ik)
1. Pertaining to pressure of ambient gases below 1 atmosphere. 2. With respect to solutions, less dense than the diluent or medium; e.g., in spinal anesthesia, a h. solution has a density lower than that of spinal fluid. [hypo- + G. baros, weight]

hypobarism (hi-po-bar′izm)
Dysbarism resulting from decreasing barometric pressure on the body without hypoxia; gas in body cavities tends to expand, and gases dissolved in body fluids tend to come out of solution as bubbles. Cf.:decompression sickness. SYN: hypobaria.

hypobaropathy (hi′po-ba-rop′a-the)
Sickness produced by reduced barometric pressure; not always distinguished from hypobarism and altitude sickness. [hypo- + G. baros, weight, + pathos, suffering]

hypobetalipoproteinemia (hi′po-ba′ta-lip′o-pro′ten-e′me-a) [MIM*107730]
Abnormally low levels of β-lipoproteins in the plasma, occasionally with acanthocytosis and neurological signs; autosomal dominant inheritance; caused by mutation in the apolipoprotein B gene (APOB) on 2p. SEE ALSO: abetalipoproteinemia. familial h. a disorder similar to abetalipoproteinemia; chylomicron formation still occurs, but LDL levels are typically low. h. with apo B-37 a disorder in which LDL levels are very low, there is a mild fat malabsorption, and a truncated apolipoprotein B-37 is formed.

hypoblast (hi′po-blast)
Cell layer adjacent to the yolk sac cavity and subjacent to the epiblast of a bilayered embryo. [hypo- + G. blastos, germ]

hypoblastic (hi-po-blas′tik)
Relating to or derived from the hypoblast.

hypobranchial (hi-po-brang′ke-al)
Located beneath the branchial apparatus.

hypobromite (hi-po-bro′mit)
A salt of hypobromous acid.

hypobromous acid (hi-po-bro′mus)
An acid, HOBr, the aqueous solution of which possesses oxidizing and bleaching properties.

hypocalcemia (hi′po-kal-se′me-a)
Abnormally low levels of calcium in the circulating blood; commonly denotes subnormal concentrations of calcium ions.

hypocalcification (hi′po-kal-si-fi-ka′shun)
Deficient calcification of bone or teeth. enamel h. [MIM*104500] a defect of enamel maturation, characterized by soft opaque or yellowish white lusterless enamel. A variety of amelogenesis imperfecta. Autosomal dominant, autosomal recessive, and X-linked recessive forms exist.

hypocapnia (hi-po-kap′ne-a)
Abnormally decreased arterial carbon dioxide tension. SYN: hypocarbia. [hypo- + G. kapnos, smoke, vapor]

hypocarbia (hi-po-kar′be-a)
SYN: hypocapnia.

hypocelom (hi-po-se′lom)
Rarely used term for the ventral portion of the celom, or body cavity, of the embryo. [hypo- + G. koilos, hollow]

hypochloremia (hi′po-klo-re′me-a)
An abnormally low level of chloride ions in the circulating blood.

hypochloremic (hi′po-klo-re′mik)
Pertaining to or characterized by hypochloremia.

hypochlorhydria (hi′po-klor-hi′dre-a, -hid′ri-ah)
Presence of an abnormally small amount of hydrochloric acid in the stomach. SYN: hypohydrochloria.

hypochlorite (hi-po-klor′it)
A salt of hypochlorous acid.

hypochlorous acid (hi-po-klor′us)
An acid, HOCl, having oxidizing and bleaching properties.

hypochloruria (hi′po-klor-u′re-a)
Excretion of abnormally small quantities of chloride ions in the urine.

hypocholesteremia (hi′po-ko-les-te-re′me-a)
SYN: hypocholesterolemia.

hypocholesterinemia (hi′po-ko-les′te-ri-ne′me-a)
SYN: hypocholesterolemia.

hypocholesterolemia (hi′po-ko-les′ter-ol-e′me-a)
The presence of abnormally small amounts of cholesterol in the circulating blood. SYN: hypocholesteremia, hypocholesterinemia.

hypocholia (hi-po-ko′le-a)
Rarely used term for oligocholia.

hypochondria (hi-po-kon′dre-a)
SYN: hypochondriasis.

hypochondriac (hi-po-kon′dre-ak)
1. A person with a somatic overconcern, including morbid attention to the details of bodily functioning and exaggeration of any symptoms no matter how insignificant. 2. A person manifesting hypochondriasis. 3. Beneath the ribs; relating to the hypochondrium.

hypochondriacal (hi′po-kon-dri′a-kal)
Relating to or suffering from hypochondriasis.

hypochondriasis (hi′po-kon-dri′a-sis)
A morbid concern about one's own health and exaggerated attention to any unusual bodily or mental sensations; a delusion that one is suffering from some disease for which no physical basis is evident. SYN: hypochondria, hypochondriacal neurosis. [fr. hypochondrium, regarded as the site of hypochondria, + G. -iasis, condition]

hypochondrium, pl .hypochondria (hi-po-kon′dre-um, -a) [TA]
SYN: hypochondriac region. [L. fr. G. hypochondrion, abdomen, belly, from hypo, under, + chondros, cartilage (of ribs)]

hypochondroplasia (hi′po-kon-dro-pla′ze-a) [MIM*146000]
A skeletal dysplasia characterized by dwarfism with features similar to but much milder than achondroplasia; the skull and facies are normal; features not clinically evident until mid-childhood. Autosomal dominant inheritance, caused in some cases by mutation in the fibroblast growth factor receptor 3 (FGFR3) gene on chromosome 4p. [hypo- + G. chondros, cartilage, + plasis, a molding]

hypochordal (hi-po-kor′dal)
On the ventral side of the spinal cord. [hypo- + G. chorde, cord]

hypochromasia (hi′po-kro-ma′ze-a)
SYN: hypochromia.

hypochromatic (hi′-po-kro-mat′ik)
Containing a small amount of pigment, or less than the normal amount for the individual tissue. SYN: hypochromic (1) . [hypo- + G. chroma, color]

hypochromatism (hi-po-kro′ma-tizm)
1. The condition of being hypochromatic. 2. SYN: hypochromia.

hypochromia (hi-po-kro′me-a)
An anemic condition in which the percentage of hemoglobin in the red blood cells is less than the normal range. SYN: hypochromasia, hypochromatism (2) , hypochrosis. [hypo- + G. chroma, color]

hypochromic (hi-po-kro′mik)
1. SYN: hypochromatic. 2. Denoting decrease in light absorption with a shift in wavelength to a lower wavelength.

hypochrosis (hi-po-kro′sis)
SYN: hypochromia. [hypo- + G. chrosis, a tinting]

hypochylia (hi-po-ki′le-a)
Rarely used term for oligochylia. [hypo- + G. chylos, juice]

hypocinesis, hypocinesia (hi′po-si-ne′sis, -ne′ze-a)
SYN: hypokinesis.

hypocitraturia (hi′po-si-tra-toor′e-a)
Abnormally low concentration of citrate in the urine.

hypocomplementemia (hi′po-kom′ple-men-te′me-a)
A condition in which one or another component of complement is lacking or reduced in amount; associated with immune complex diseases and cases of membranoproliferative glomerulonephritis in which nephritic factor is present. Various autosomal forms are known, domimant [MIM*120550 and MIM*120980] and recessive [MIM*216950 and MIM*217070].

hypocone (hi′po-kon)
The distolingual cusp of an upper molar tooth. [hypo- + G. konos, pine cone]

hypoconid (hi-po-kon′id)
The distobuccal cusp of a lower molar tooth.




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