| AF | abnormal frequency; acid-fast; adult female; afebrile; aflatoxin; albumin-free; albumose-free; aldeh... |
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| FFF | degree of fineness of abrasive particles; field-flow fractionation; flicker fusion frequency |
| FFT | fast Fourier transform; flicker fusion test or threshold |
| FIT | fluorescein isothiocyanate; fusion inferred threshold |
| FP | false positive; family physician; family planning; family practice; family practitioner; Fanconi pan... |
| oncogene proteins v-erbb | Transforming proteins encoded by erbb oncogenes from the avian erythroblastosis virus. The protein is a truncated form of the egf receptor (receptors, epidermal growth factor-urogastrone) whose kinase domain is constitutively activated by deletion of the ligand-binding domain. (12 Dec 1998) |
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| oncogene proteins v-fos | Transforming proteins coded by fos oncogenes. These proteins have been found in the finkel-biskis-jinkins (fbj-msv) and finkel-biskis-reilly (fbr-msv) murine sarcoma viruses which induce osteogenic sarcomas in mice. The fbj-msv v-fos gene encodes a p55 kD protein and the fbr-msv v-fos gene encodes a p75 kD fusion protein. (12 Dec 1998) |
| oncogene proteins, viral | Products of viral oncogenes, most commonly retroviral oncogenes. They usually have transforming and often protein kinase activities. (12 Dec 1998) |
| oncogene proteins v-mos | Transforming proteins coded by mos oncogenes. The v-mos proteins were originally isolated from the moloney murine sarcoma virus (mo-msv). (12 Dec 1998) |
| transforming oncogene | <molecular biology> A gene that upon transfection converts a previously immortalised cell to the malignant phenotype. (09 Oct 1997) |
| atrial fusion beat | A beat that occurs when the atria are activated in part by the sinus impulse and in part by an ectopic or retrograde impulse from A-V junction or ventricle. (05 Mar 2000) |
| magnetic confinement fusion | <physics> Method of fusion which uses magnetic fields / magnetic bottles to confine a hot plasma until fusion occurs. (09 Oct 1997) |
| gene fusion | Fusion of structural genes to analyze protein behaviour or fusion of regulatory sequences with structural genes to determine mechanisms of regulation. (12 Dec 1998) |
| ventricular fusion beat | A fusion beat that occurs when the ventricles are activated partly by the descending sinus or A-V junctional impulse and partly by an ectopic ventricular impulse. (05 Mar 2000) |
| recombinant fusion proteins | Proteins that are the result of genetic engineering. A regulatory part or promoter of one or more genes is combined with a structural gene. The fusion protein is formed after transcription and translation of the fused gene. This type of fusion protein is used in the study of gene regulation or structure-activity relationships. They might also be used clinically as targeted toxins (immunotoxins). (12 Dec 1998) |
| vertebral fusion | A procedure that involves fusing together two or more vertebrae in the spine using either bone grafts or metal rods (Harrington rods). This procedure may be used to correct kyphosis or scoliosis. It is also used in those who require spine stabilisation due to vertebral damage from ruptures discs, fractures, osteomyelitis, osteoarthritis or tumour. (27 Sep 1997) |
| viral fusion proteins | Proteins, usually glycoproteins, found in the viral envelopes of a variety of viruses. They promote cell membrane fusion and thereby may function in the uptake of the virus by cells. (12 Dec 1998) |
| cell fusion | <biology, embryology> Fusion of two previously separate cells occurs naturally in fertilization and in the formation of vertebrate skeletal muscle, but can be induced artificially by the use of Sendai virus or fusogens such as polyethylene glycol. Fusion may be restricted to cytoplasm or nuclei may fuse as well. A cell formed by the fusion of dissimilar cells is often referred to as a heterokaryon. (26 Mar 1998) |
| centric fusion | <molecular biology> A special type of nonreciprocal translocation in chromosomes whereby the long arms of two nonhomologous acrocentric chromosomes are attached to a single centromere. The short arms become attached to form a reciprocal structure that however often disappears some divisions after its formation. (17 Dec 1997) |
| cervical fusion syndrome | <syndrome> Fused vertebrae, especially cervical spine (C3-C4), elevation of scapula (Sprengel deformity), omocervical bones, GU abnormalities (66%), renal agenesis (33%), deafness (33%) (12 Dec 1998) |