| hemisulfur mustard | 2-(2-chloroethylthio)ethanol An antineoplastic agent. Synonym: mustard chlorohydrin, semisulfur mustard. (05 Mar 2000) |
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| hemisyndrome | 1. A condition in which one-half of the body is atrophied or hypertrophied. 2. Unilateral lesion of the spinal cord. (05 Mar 2000) |
| hemisystole | <physiology> Contraction of only one ventricle of the heart. Hemisystole is noticed in rare cases of insufficiency of the mitral valve, in which both ventricles at times contract simultaneously, as in a normal heart, this condition alternating with contraction of the right ventricle alone; hence, intermittent hemisystole. Source: Websters Dictionary (01 Mar 1998) |
| hemiterpene | Isoprene or a derivative of a single isoprene. (05 Mar 2000) |
| hemithermoanesthesia | Loss of sensibility to heat and cold affecting one side of the body. (05 Mar 2000) |
| hemithoracic duct | An accessory thoracic duct, usually emptying into the thoracic duct but sometimes discharging independently into the right subclavian vein. Synonym: ductus hemithoracicus. (05 Mar 2000) |
| hemithorax | One side of the thorax. (05 Mar 2000) |
| hemitonia | Exaggerated muscular tonicity on one side of the body. Synonym: hemitonia. Origin: hemi-+ G. Hyper, over, + tonos, tone (05 Mar 2000) |
| hemitremor | Tremor affecting the muscles of one side of the body. (05 Mar 2000) |
| hemitrope | <chemistry> Half turned round; half inverted; having a twinned structure. Origin: Hemi- + Gr. To turn: cf. F. Hemitrope. <chemistry> That which is hemitropal in construction; a twin crystal having a hemitropal structure. Source: Websters Dictionary (01 Mar 1998) |
| hemitropous | 1. Turned half round; half inverted. 2. <botany> Having the raphe terminating about half way between the chalaza and the orifice; amphitropous; said of an ovule. See: Hemitrope. Source: Websters Dictionary (01 Mar 1998) |
| hemitropy | <chemistry> Twin composition in crystals. Source: Websters Dictionary (01 Mar 1998) |
| hemitruncus | A variant truncus arteriosus in which only one pulmonary artery originates from the truncal artery. (05 Mar 2000) |
| hemivertebra | A congenital defect of the spine in which one side of a vertebra fails to develop completely. (05 Mar 2000) |
| hemizona assay | <investigation> The hemizona assay is a laboratory test of the ability of sperm to penetrate into a human egg, first the egg is split in half, then one half is tested against the husband's sperm and the other half against sperm from a fertile man. (09 Oct 1997) |