| MGT | multiple glomus tumors |
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| LB | lamellar body; large bowel; left breast; left bronchus; left bundle; left buttock; leiomyoblastoma; ... |
| LBM | lean body mass; loose bowel movement; lung basement membrane |
| joint loose bodies | Fibrous, bony, cartilaginous and osteocartilaginous fragments in a synovial joint. Major causes are osteochondritis dissecans, synovial chondromatosis, osteophytes, fractured articular surfaces and damaged menisci. (12 Dec 1998) |
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| loose | 1. Unbound; untied; unsewed; not attached, fastened, fixed, or confined; as, the loose sheets of a book. "Her hair, nor loose, nor tied in formal plat." (Shak) 2. Free from constraint or obligation; not bound by duty, habit, etc.; with from or of. "Now I stand Loose of my vow; but who knows Cato's thoughts ?" (Addison) 3. Not tight or close; as, a loose garment. 4. Not dense, close, compact, or crowded; as, a cloth of loose texture. "With horse and chariots ranked in loose array." (Milton) 5. Not precise or exact; vague; indeterminate; as, a loose style, or way of reasoning. "The comparison employed . . . Must be considered rather as a loose analogy than as an exact scientific explanation." (Whewel) 6. Not strict in matters of morality; not rigid according to some standard of right. "The loose morality which he had learned." (Sir W. Scott) 7. Unconnected; rambling. "Vario spends whole mornings in running over loose and unconnected pages." (I. Watts) 8. Lax; not costive; having lax bowels. 9. Dissolute; unchaste; as, a loose man or woman. "Loose ladies in delight." (Spenser) 10. Containing or consisting of obscene or unchaste language; as, a loose epistle. at loose ends, not in order; in confusion; carelessly managed. Fast and loose. See Fast. To break loose. See Break. Loose pulley. <machinery> See Fast and loose pulleys, under Fast. To let loose, to free from restraint or confinement; to set at liberty. Origin: OE. Loos, lous, laus, Icel. Lauss; akin to OD. Loos, D. Los, AS. Leas false, deceitful, G. Los, loose, Dan. & Sw. Los, Goth. Laus, and E. Lose. See Lose, and cf. Leasing falsehood. Source: Websters Dictionary (01 Mar 1998) |
| loose associations | A manifestation of a thought disorder whereby the patient's responses do not relate to the interviewer's questions or one paragraph, sentence, or phrase is not logically connected to those that occur before or after. (05 Mar 2000) |
| loose body | A solid tissue fragment lying free in a body cavity, especially in a joint or the peritoneal cavity; e.g., joint mice, melon-seed body, rice body. (05 Mar 2000) |
| loose cartilage | A loose piece of cartilage within a joint cavity, detached from the articular cartilage or from a meniscus. Synonym: loose cartilage. (05 Mar 2000) |
| loose skin | A group of connective tissue diseases in which skin hangs in loose pendulous folds. It is believed to be associated with decreased elastic tissue formation as well as an abnormality in elastin formation. Cutis laxa is usually a genetic disease, but acquired cases have been reported. (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) |
| glomus jugulare tumour | A paraganglioma involving the glomus jugulare, a microscopic collection of chemoreceptor tissue in the adventitia of the bulb of the jugular vein. It may cause paralysis of the vocal cords, attacks of dizziness, blackouts, and nystagmus. It is not resectable but radiation therapy is effective. It regresses slowly, but permanent control is regularly achieved. (12 Dec 1998) |
| glomus pulmonale | A structure similar to the carotid body, found in relation to the pulmonary artery. Synonym: glomus pulmonale. (05 Mar 2000) |
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