| muscles of thorax | The muscles attaching to the rib cage including the pectoral muscles, serratus anterior, subclavius, levator muscles, intercostal muscles, transverse thoracic muscle, subcostal muscles, and diaphragm. Synonym: musculi thoracis. (05 Mar 2000) |
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| muscles of tongue | The extrinsic muscles include the genioglossus, hyoglossus, chondroglossus, and styloglossus muscles; the intrinsic muscles are the vertical, transverse, and the superior and inferior longitudinal; all are innervated by the hypoglssal nerve. Synonym: musculi linguae. (05 Mar 2000) |
| muscles, abdominal | A large group of muscles in the front of the abdomen that assists in the regular breathing movement and supports the muscles of the spine while lifting and keeping abdominal organs such as the intestines in place. Abdominal muscles play a key role in exercises such as sit-ups. (12 Dec 1998) |
| muscling | Exhibition or representation of the muscles. "A good piece, the painters say, must have good muscling, as well as colouring and drapery." (Shaftesbury) Source: Websters Dictionary (01 Mar 1998) |
| muscoid | <botany> Mosslike; resembling moss. Origin: Muscus: cf. F. Muscoide. <botany> A term formerly applied to any mosslike flowerless plant, with a distinct stem, and often with leaves, but without any vascular system. Source: Websters Dictionary (01 Mar 1998) |
| muscology | <study> Bryology. Origin: Muscus. Source: Websters Dictionary (01 Mar 1998) |
| muscone | muskone |
| muscosity | Alternative term for mossiness. Origin: L. Muscosus mossy, fr. Muscus moss. Source: Websters Dictionary (01 Mar 1998) |
| muscovite | 1. A native or inhabitant of Muscovy or ancient Russia; hence, a Russian. 2. <chemical> Common potash mica. See Mica. See: Muscovy glass. Source: Websters Dictionary (01 Mar 1998) |
| muscovy duck | <zoology> A duck (Cairina moschata), larger than the common duck, often raised in poultry yards. Called also musk duck. It is native of tropical America, from Mexico to Southern Brazil. Origin: A corruption of musk duck. Source: Websters Dictionary (01 Mar 1998) |
| musculamine | <biochemistry> Polybasic amine. Found in human sperm, in ribosomes and in some viruses. Involved in nucleic acid packaging. Synthesis is regulated by ornithine decarboxylase which plays a key role in control of DNA replication. (18 Nov 1997) |
| muscular | <anatomy> Pertaining to or composing muscle. Origin: L. Muscularis (18 Nov 1997) |
| muscular artery | <anatomy, artery> An artery with a tunica media composed principally of circularly arranged smooth muscle. Synonym: distributing artery, medium artery. (05 Mar 2000) |
| muscular asthenopia | Asthenopia due to imbalance of the extrinsic ocular muscles. (05 Mar 2000) |
| muscular atrophy | Derangement in size and number of muscle fibres occurring with aging, reduction in blood supply, or following immobilization, prolonged weightlessness, malnutrition, and particularly in denervation. (12 Dec 1998) |