| hyparterial bronchi | Those bronchi which pass below the pulmonary arteries, i.e., right middle and inferior lobar bronchi and left superior and inferior lobar bronchi. (05 Mar 2000) |
|---|---|
| hypaxial | <anatomy> Beneath the axis of the skeleton; subvertebral; hyposkeletal. Source: Websters Dictionary (01 Mar 1998) |
| hypazoturia | <biochemistry> Excretion of abnormally small quantities of nonprotein nitrogenous material (especially urea) in the urine. Synonym: hypazoturia. Origin: hypo-+ Fr. Azote, nitrogen, + G. Ouron, urine (05 Mar 2000) |
| hypencephalon | The midbrain, pons, and medulla. Origin: G. Hypo, under, + enkephalos, brain (05 Mar 2000) |
| hypengyophobia | <psychology> Morbid fear of responsibility. Origin: G. Hypengyos, responsible, + phobos, fear (05 Mar 2000) |
| hyper | 1. <prefix> Signifying over, above, high, beyond, excessive, above normal; as, hyperphysical, hyperthyrion; also abnormally great, excessive; as, hyperaemia, hyperbola, hypercritical, hypersecretion. 2. <chemistry> A prefix equivalent to super- or per-; as hyperoxide, or peroxide. Compare: super. Origin: Gr. Over, above; akin to L. Super, E. Over. (06 Mar 1998) |
| hyper-beta-alaninaemia | Elevated levels of beta-alanine in the serum; believed to be due to a deficiency of beta-alanine:pyruvate aminotransferase; leads to impaired CNS function. (05 Mar 2000) |
| hyper-beta-aminoisobutyric aciduria | Elevated levels of beta-aminoisobutyric acid in the urine; believed to be due to a deficiency of liver R-beta-aminoisobutyrate:pyruvate aminotransferase. (05 Mar 2000) |
| hyperabduction syndrome | <syndrome> Pain running down the arm, numbness, paresthesias, and erythema, with weakness of the hands; due to abduction of the arm for a prolonged period (e.g., during sleep or necessitated by occupation) which stretches the axillary vessels and the nerves of the brachial plexus. Synonym: subcoracoid-pectoralis minor tendon syndrome, Wright's syndrome. (05 Mar 2000) |
| hyperacanthosis | An increase in the thickness of the stratum spinosum of the epidermis. Synonym: hyperacanthosis. Origin: acantho-+ G. -osis, condition (05 Mar 2000) |
| hyperacid | Having an excessive concentration of acid. (05 Mar 2000) |
| hyperacidity | <gastroenterology, physiology> The increased production of acid in the stomach. See: peptic ulcer disease. (06 Mar 1998) |
| hyperactive child syndrome | <psychiatry> A condition seen in children where there is increased motor activity in association with poor attention span. Often treated with amphetamine medications. (27 Sep 1997) |
| hyperactivity | Synonym: superactivity. 2. General restlessness or excessive movement such as that characterizing children with attention deficit disorder or hyperkinesis. (05 Mar 2000) |
| hyperacusis | Hyperacusia Abnormal acuteness of hearing due to increased irritability of the sensory neural mechanism. Synonym: auditory hyperesthesia. Origin: hyper-+ G. Akousis, a hearing (05 Mar 2000) |