| MGT | multiple glomus tumors |
|---|---|
| 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 |
| dcv | Dense core-vesicles |
|---|---|
| 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) |
|---|---|
| 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) |
| glomus | 1. A small globular body. 2. A highly organised arteriolovenular anastomosis forming a tiny nodular focus in the nailbed, pads of the fingers and toes, ears, hands, and feet and many other organs of the body. The afferent arteriole enters the connective tissue capsule of the glomus, becomes devoid of an internal elastic membrane, and develops a relatively thick epithelioid muscular wall and small lumen; the anastomosis may be branched and convoluted, richly innervated with sympathetic and myelinated nerves, and connected with a short, thin-walled vein that drains into a periglomic vein and then into one of the veins of the skin. The glomus functions as a shunt-or bypass-regulating mechanism in the flow of blood, temperature, and conservation of heat in the part as well as in the indirect control of the blood pressure and other functions of the circulatory system. Synonym: glandulae glomiformes, glomiform glands, glomus body. Synonym: glome. Origin: L. Glomus, a ball (05 Mar 2000) |
| glomus body | 1. A small globular body. 2. A highly organised arteriolovenular anastomosis forming a tiny nodular focus in the nailbed, pads of the fingers and toes, ears, hands, and feet and many other organs of the body. The afferent arteriole enters the connective tissue capsule of the glomus, becomes devoid of an internal elastic membrane, and develops a relatively thick epithelioid muscular wall and small lumen; the anastomosis may be branched and convoluted, richly innervated with sympathetic and myelinated nerves, and connected with a short, thin-walled vein that drains into a periglomic vein and then into one of the veins of the skin. The glomus functions as a shunt-or bypass-regulating mechanism in the flow of blood, temperature, and conservation of heat in the part as well as in the indirect control of the blood pressure and other functions of the circulatory system. Synonym: glandulae glomiformes, glomiform glands, glomus body. Synonym: glome. Origin: L. Glomus, a ball (05 Mar 2000) |
| glomus caroticum | A small cluster of chemoreceptive and supporting cells located near the bifurcation of the internal carotid artery. The carotid body, which is richly supplied with fenestrated capillaries, senses the pH, carbon dioxide, and oxygen concentrations in the blood and plays a crucial role in their homeostatic control. (12 Dec 1998) |
| glomus choroideum | A marked enlargement of the choroid plexus of the lateral ventricle at the junction of the central part with the inferior horn. Synonym: glomus choroideum, choroid skein. (05 Mar 2000) |
| glomus coccygeum | An arteriovenous (arteriolovenular) anastomosis supplied by the middle sacral artery and located on the pelvic surface of the coccyx. It was formerly called a gland (of Luschka) or a glomus and included with the paraganglia. Synonym: corpus coccygeum, arteriococcygeal gland, coccygeal gland, glomus coccygeum. (05 Mar 2000) |
| glomus intravagale | A minute collection of chemoreceptor cells on the auricular branch of the vagus nerve. A tumour of this glomus may cause deafness and tinnitus. Synonym: glomus intravagale. (05 Mar 2000) |
| glomus jugulare | <radiology> Most common tumour in jugular fossa with intracranial extension, origin: adventitia of jugular bulb, location: dome of jugular bulb, symptoms: tinnitus, hearing loss, findings: destruction of posterioinferior petrous pyramid and corticojugular spine, soft tissue mass in jugular bulb region, hypotympanicum, middle ear, destruction of ossicles (usually incus), otic capsule, posteromedial surface of petrous bone, MRI: salt and pepper appearance (multiple tumour vessels), angio: hypervascular mass; invasion/obstruction of the jugular bulb by thrombus/tumour; AV shunting, malignant transformation with metastasis to regional nodes (2-4%) see: paraganglioma (glomus tumour) (12 Dec 1998) |
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