| dorsal metacarpal artery | <anatomy, artery> One of four arteries taking origin from the dorsal carpal arch and running on the posterior aspect of the interosseous muscles of the hand. Synonym: arteria metacarpea dorsalis, dorsal interosseous artery. (05 Mar 2000) |
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| dorsal metacarpal ligaments | Fibrous bands connecting the dorsal aspects of the bases of metacarpals two to five. Synonym: ligamenta metacarpalia dorsalia. (05 Mar 2000) |
| dorsal metacarpal veins | Three veins on the dorsum of the hand draining blood from the four medial digits into the dorsal venous network of the hand. Synonym: venae metacarpeae dorsales. (05 Mar 2000) |
| interosseous metacarpal ligaments | Fibrous bands connecting the bases of metacarpals two to five; they extend between the dorsal and palmar metacarpal ligaments. Synonym: ligamenta metacarpalia interossea. (05 Mar 2000) |
| interosseous metacarpal spaces | The spaces between the metacarpal bones in the hand. Synonym: spatia interossea metacarpi. (05 Mar 2000) |
| transverse metacarpal ligament | <anatomy> The ligament that interconnects the palmar surface of the heads of the second to fifth metacarpals, being continuous with the palmar ligaments on palmar plates; it lies in the plane of the palmar interosseous fascia. Synonym: ligamentum metacarpale transversum profundum, transverse metacarpal ligament. (05 Mar 2000) |
| burns, first degree | A first degree burn is superficial and has similar characteristics to a typical sun burn. The skin is red in colour and sensation is intact. In fact, it is usually somewhat painful. (12 Dec 1998) |
| ventriculography, first-pass | Radionuclide ventriculography where a bolus of radionuclide is injected and data are recorded from one pass through the heart ventricle. Left and right ventricular function can be analyzed independently during this technique. First-pass ventriculography is preferred over gated blood pool imaging for assessing right ventricular function. (12 Dec 1998) |
| Mendel's first law | Factors that affect development retain their individuality from generation to generation, do not become contaminated when mixed in a hybrid, and become sorted out from one another when the next generation of gametes is formed. Synonym: Mendel's first law. (05 Mar 2000) |
| mirror, first or front surface | <microscopy> An optical mirror on which the reflecting surface is applied to the front surface of the mirror instead of to the back, that is, to the first surface of incidence. (05 Aug 1998) |
| pregnancy trimester, first | Period of pregnancy from the first day of the last normal menstrual period through the completion of 14 weeks (98 days) of gestation. (12 Dec 1998) |
| healing by first intention | Healing by fibrous adhesion, without suppuration or granulation tissue formation. Synonym: primary adhesion, primary union. (05 Mar 2000) |
| schneiderian first rank symptoms | Those symptom's that, when present, indicate that the diagnosis of schizophrenia is likely, provided that organic or toxic aetiology is ruled out: delusion of control, thought broadcasting, thought withdrawal, thought insertion, hearing one's thoughts spoken aloud, auditory hallucinations that comment on one's behaviour, and auditory hallucinations in which two voices carry on a conversation. Synonym: first rank symptoms, schneiderian first rank symptoms. (05 Mar 2000) |
| Schneider's first rank symptoms | Those symptom's that, when present, indicate that the diagnosis of schizophrenia is likely, provided that organic or toxic aetiology is ruled out: delusion of control, thought broadcasting, thought withdrawal, thought insertion, hearing one's thoughts spoken aloud, auditory hallucinations that comment on one's behaviour, and auditory hallucinations in which two voices carry on a conversation. Synonym: first rank symptoms, schneiderian first rank symptoms. (05 Mar 2000) |
| double first | <engineering> A degree of the first class both in classics and mathematics. One who gains at examinations the highest honor both in the classics and the mathematics. Source: Websters Dictionary (01 Mar 1998) |