| hypometria | Ataxia characterised by underreaching an object or goal; seen with cerebellar disease. Compare: hypermetria. Origin: hypo-+ G. Metron, measure (05 Mar 2000) |
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| hypomnesia | Impaired memory. Compare: hypermnesia. Origin: hypo-+ G. Mneme, memory (05 Mar 2000) |
| hypomorph | 1. A person whose standing height is short in proportion to the sitting height, owing to shortness of the limbs. Compare: hypermorph, endomorph. 2. A mutant gene that causes a partial decrease in the activity controlled by the gene. Compare: hypermorph. Origin: hypo-+ G. Morphe, form (05 Mar 2000) |
| hypomotility | Hypokinesia Diminished or slow movement. Synonym: hypocinesis, hypocinesia, hypomotility. Origin: hypo-+ G. Kinesis, movement (05 Mar 2000) |
| hypomyelination | Hypomyelinogenesis Defective formation of myelin in the spinal cord and brain; the basis for a number of demyelinating diseases. (05 Mar 2000) |
| hypomyotonia | A condition of diminished muscular tonus. Origin: hypo-+ G. Mys (myo-) muscle, + tonos, tension (05 Mar 2000) |
| hypomyxia | A condition in which the secretion of mucus is diminished. Origin: hypo-+ G. Myxa, mucus (05 Mar 2000) |
| hyponastic | <botany> Exhibiting a downward convexity caused by unequal growth. Cf. Epinastic. Origin: Pref. Hypo- + Gr. Pressed close. Source: Websters Dictionary (01 Mar 1998) |
| hyponasty | <botany> Downward convexity, or convexity of the inferior surface. Source: Websters Dictionary (01 Mar 1998) |
| hyponatraemia | <biochemistry> Abnormal decrease in blood sodium concentration. Normal blood sodium should be 136 to 142 milliequivalents per litre. Hyponatraemia can occur secondary to inadequate salt intake, excessive sweating, vomiting or as a drug side effect. Origin: Gr. Haima = blood (11 Jan 1998) |
| hyponeocytosis | Leukopenia associated with the presence of immature and young leukocytes (especially in the granulocytic series), i.e., a "shift to the left" in the haemogram. Synonym: hyposkeocytosis. Origin: hypo-+ G. Neos, new, + kytos, cell, + -osis, condition (05 Mar 2000) |
| hyponitrite | <chemistry> A salt of hyponitrous acid. Source: Websters Dictionary (01 Mar 1998) |
| hyponitrous | <chemistry> Containing or derived from nitrogen having a lower valence than in nitrous compounds. <chemistry> Hyponitrous acid, an unstable nitrogen acid, NOH, whose salts are produced by reduction of the nitrates, although the acid itself is not isolated in the free state except as a solution in water. Synonym: nitrosylic acid. Origin: Pref. Hypo- + nitrous. Source: Websters Dictionary (01 Mar 1998) |
| hyponoia | Deficient or sluggish mental activity or imagination. Origin: hypo-+ G. Noeo, to think (05 Mar 2000) |
| hyponychial | Synonym: subungual. 2. Relating to the hyponychium. (05 Mar 2000) |