| FN | false negative; fibronectin; fluoride number |
|---|---|
| Fneg | false negative |
| FNF | false-negative fraction; femoral neck fracture |
| FNT | false neurochemical transmitter; farnesyltransferase |
| FP | false positive; family physician; family planning; family practice; family practitioner; Fanconi pan... |
| false-positive reaction | <statistics> An erroneous or mistakenly positive response. Positive test results in subjects who do not possess the attribute for which the test is conducted. The labeling of healthy persons as diseased when screening in the detection of disease. (05 Mar 2000) |
|---|---|
| false pregnancy | <obstetrics, psychiatry> A condition in which some signs and symptoms suggest pregnancy, although the woman is not pregnant. Synonym: hysterical pregnancy, pseudocyesis, pseudopregnancy, spurious pregnancy. (05 Mar 2000) |
| false projection | <ophthalmology> The faulty visual sensation arising secondarily to underaction of an ocular muscle. Synonym: erroneous projection. (05 Mar 2000) |
| false rib | <anatomy> Five lower ribs on either side that do not articulate with the sternum directly. Synonym: costae spuriae, vertebrochondral ribs. (05 Mar 2000) |
| false ringbone | <veterinary> An exostosis on the middle or upper part of the long pastern bone in the horse. (05 Mar 2000) |
| false suture | <anatomy> One whose opposing margins are smooth or present only a few ill-defined projections. Synonym: sutura notha. (05 Mar 2000) |
| false vertebrae | <anatomy> The fused vertebral segments of the sacrum and coccyx. Synonym: vertebrae spuriae. (05 Mar 2000) |
| amniotic fold | A fold of amniotic membrane enclosing the yolk stalk and extending from the point of insertion of the umbilical cord to the yolk sac; in reptiles and birds it is the reflected edge of the amnion where it folds over to cover the embryo during early development. Synonym: Schultze's fold. (05 Mar 2000) |
| anterior axillary fold | Bounds axilla anteriorly; formed by skin and fascia overlying inferior border of pectoralis major muscle. (05 Mar 2000) |
| aryepiglottic fold | A prominent fold of mucous membrane stretching between the lateral margin of the epiglottis and the arytenoid cartilage on either side; it encloses the aryepiglottic muscle. Synonym: plica aryepiglottica. (05 Mar 2000) |
| axillary fold | One of the folds of skin and muscular tissue bounding the axilla anteriorly and posteriorly. Synonym: plica axillaris. (05 Mar 2000) |
| palpebronasal fold | A fold of skin that comes down across the inner angle of the eye. The epicanthal fold is more common in children with Down syndrome and other birth defects than normal children and so is of value in diagnosis. Although some dictionaries state that this eye fold is found in peoples of Asian origin, this is not true. The normal Asian eyefold is continuous with the lower edge of the upper eyelid and actually appears distinctly different than a true epicanthal fold. (12 Dec 1998) |
| vascular fold of the caecum | <anatomy> A peritoneal fold that arches over a branch of the ileocolic artery and bounds in front a narrow recess, the superior ileocaecal (or ileocolic) recess. Synonym: plica caecalis vascularis. (05 Mar 2000) |
| malar fold | An ill-defined groove in the skin that extends downward and medially from the lateral canthus. (05 Mar 2000) |
| Vater's fold | A fold of mucous membrane in the duodenum just above the greater duodenal papilla. (05 Mar 2000) |