| homeotic mutation | <embryology, genetics> A mutation that causes an organism to develop a homologous body part or structure in place of the part or structure that should normally be there (for example, developing a hand in place of a foot). (09 Oct 1997) |
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| homeotic selector gene | <molecular biology> The genes in the fruit fly Drosophila which code for the segmentation of the thorax (the bithorax complex) and the limbs and appendages, such as antennae and legs (antennapedia complex). (09 Oct 1997) |
| homeotypical | Of or resembling the usual type. (05 Mar 2000) |
| homer | A Hebrew measure containing, as a liquid measure, ten baths, equivalent to fifty-five gallons, two quarts, one pint; and, as a dry measure, ten ephahs, equivalent to six bushels, two pecks, four quarts. Alternative forms: chomer, gomer. Origin: Heb. Khomer. <zoology> A carrier pigeon remarkable for its ability to return home from a distance. <zoology> See Hoemother. Source: Websters Dictionary (01 Mar 1998) |
| Homer-Wright rosettes | Pseudorosettes formed by the arrangement of tumour cells around an area of fibrillarity, evidence of neuroblastic differentiation in a medulloblastoma or primitive neuroectodermal tumour. (05 Mar 2000) |
| homergy | An obsolete term for normal metabolism and its results. Origin: G. Homos, same, + ergon, work (05 Mar 2000) |
| homes for the aged | Geriatric long-term care facilities which provide supervision and assistance in activities of daily living with medical and nursing services when required. (12 Dec 1998) |
| homesteader | One who has entered upon a portion of the public land with the purpose of acquiring ownership of it under provisions of the homestead law, so called; one who has acquired a homestead in this manner. Source: Websters Dictionary (01 Mar 1998) |
| homicidal | Having a tendency toward homicide. (05 Mar 2000) |
| homicide | 1. The killing of one human being by another. Homicide is of three kinds: justifiable, as when the killing is performed in the exercise of a right or performance of a duty; excusable, as when done, although not as duty or right, yet without culpable or criminal intent; and felonious, or involving what the law terms malice; the latter may be either manslaughter or murder. 2. One who kills another; a manslayer. Origin: F, fr. L. Homicidium, fr. Homicida a man slayer; homo man + caedere to cut, kill. See Homage, and cf. Concise, Shed. Source: Websters Dictionary (01 Mar 1998) |
| homidium bromide | A trypanocide used in veterinary medicine. Synonym: ethidium. (05 Mar 2000) |
| homigrade scale | A special thermometer scale in which 100 |
| homiletics | The art of preaching; that branch of theology which treats of homilies or sermons, and the best method of preparing and delivering them. Origin: Cf. F. Homiletique. Source: Websters Dictionary (01 Mar 1998) |
| homilite | <chemical> A borosilicate of iron and lime, near datolite in form and composition. Origin: From Gr. To be in company with. Source: Websters Dictionary (01 Mar 1998) |
| hominal physiology | Physiology as applied to the elucidation of the normal functions of the human being. (05 Mar 2000) |