| DB | data base; date of birth; deep breath; dense body; dextran blue; diabetes, diabetic; diagonal band; ... |
|---|---|
| DCS | decompression sickness; dense canalicular system; diffuse cortical sclerosis; dorsal column stimulat... |
| DDD | AV universal [pacemaker]; defined daily dose; degenerative disc disease; dehydroxydinaphthyl disulfi... |
| DFECT | dense fibroelastic connective tissue |
| DIDD | dense intramembranous deposit disease |
| dcv | Dense core-vesicles |
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| DNAPL | dense non-aqueous phase liquid |
| EDD | Electron dense deposits |
| LDCV | Large dense core vesicles |
| LDV | Large dense core vesicles |
| pericanicular dense bodies | <cell biology> Electron dense membrane bounded cytoplasmic organelles found near the canaliculi in liver cells: lysosomes. (18 Nov 1997) |
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| subplasmalemmal dense zone | An electron-dense, 10-15 nm thick layer of highly cross-linked protein on the cytoplasmic surface of the cell membrane of epidermal corneocytes; it is highly resistant to proteolytic agents. Synonym: subplasmalemmal dense zone. (05 Mar 2000) |
| dense bodies | <cell biology> Areas of electron density associated with the thin filaments in smooth muscle cells. Some are associated with the plasma membrane, others are cytoplasmic. (12 Jan 1998) |
| dense-deposit disease | See: membranoproliferative glomerulonephritis. (05 Mar 2000) |
| dense liver | <radiology> Haemochromatosis, haemosiderosis, Wilson disease, Thorotrast, amiodarone, gold (for RA) (12 Dec 1998) |
| dense metaphyseal bands | <radiology> Normal variant, stress lines, heavy metal poisoning, treated rickets, scurvy, hypervitaminosis D (12 Dec 1998) |
| dense spleen | <radiology> Sickle cell disease, haemochromatosis, Thorotrast (12 Dec 1998) |
| large, dense breast lesions | <radiology> Carcinoma, sarcoma, cystosarcoma phylloides, cyst, abscess, lymph nodes (lymphoma, leukaemia, metastasis) (12 Dec 1998) |
| acoustic enhancement | A manifestation of increased acoustic signal amplitude returning from regions beyond an object which causes little or no attenuation of the sound beam. Compare: acoustic shadow. (05 Mar 2000) |
| antibody-dependent enhancement | Enhancement of viral infectivity caused by non-neutralizing antibodies. There are at least two mechanisms known to account for this: mediation by fc receptors (receptors, fc) or by complement receptors (receptors, complement). Either the virus is complexed with antiviral IgG and binds to fc receptors, or virus is coated with antiviral IgM and binds to complement receptors. (12 Dec 1998) |
| radiographic image enhancement | Improvement in the quality of an X-ray image by use of an intensifying screen, tube, or filter and by optimum exposure techniques. Digital processing methods are often employed. (12 Dec 1998) |
| graft enhancement, immunologic | The induction of prolonged survival and growth of allografts of either tumours or normal tissues which would ordinarily be rejected. It may be induced passively by introducing graft-specific antibodies from previously immunised donors, which bind to the graft's surface antigens, masking them from recognition by T-cells; or actively by prior immunization of the recipient with graft antigens which evoke specific antibodies and form antigen-antibody complexes which bind to the antigen receptor sites of the T-cells and block their cytotoxic activity. (12 Dec 1998) |
| ring enhancement | In computed tomography, when a bright circle appears on an image made after injection of contrast medium, characteristic of localization of the contrast in the wall of an abscess. (05 Mar 2000) |
| contrast enhancement | The intravenous administration of water-soluble iodinated contrast material, which increases the CT number of the vascular pool, as well as some lesions (particularly in the brain), due to abnormal leakage into the interstitium; the property of showing increased radiopacity from concentration of contrast medium. (05 Mar 2000) |
| image enhancement | Improvement of the quality of a picture by various techniques, including computer processing, digital filtering, echocardiographic techniques, light and ultrastructural microscopy, fluorescence spectrometry and microscopy, scintigraphy, and in vitro image processing at the molecular level. (12 Dec 1998) |
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