| HC | hair cell; hairy cell; handicapped; head circumference; head compression; health care; healthy contr... |
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| HEC | hamster embryo cell; Health Education Council; human endothelial cell; hydroxyergocalciferol; hydrox... |
| HTC | hepatoma cell; hepatoma tissue culture; homozygous typing cell |
| HTLV-MA | cell membrane antigen associated with the human T-cell leukemia virus |
| ISC | immunoglobulin-secreting cells; insoluble collagen; International Society of Cardiology; Internation... |
| muscle plate | <anatomy> A muscular segment; one of the zones into which the muscles of the trunk, especially in fishes, are divided; a myocomma. One of the embryonic muscular segments arising from the protovertebrae; also, one of the protovertebrae themselves. The muscular system of one metamere of an articulate. See: Myotomy. Source: Websters Dictionary (01 Mar 1998) |
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| muscle proteins | The protein constituents of muscle, the major ones being actins and myosin. More than a dozen accessary proteins exist including troponin, tropomyosin, and dystrophin. (12 Dec 1998) |
| muscle relaxant | <pharmacology> An agent that specifically AIDS in reducing muscle tension, as those acting at the polysynaptic neurons of motor nerves (for example meprobamate) or at the myoneural junction (curare and related compounds). Origin: L. Relaxare = to loosen (18 Nov 1997) |
| muscle relaxants, central | A heterogeneous group of drugs used to produce muscle relaxation, excepting the neuromuscular blocking agents. They have their primary clinical and therapeutic uses in the treatment of muscle spasm and immobility associated with strains, sprains, and injuries of the back and, to a lesser degree, injuries to the neck. They have been used also for the treatment of a variety of clinical conditions that have in common only the presence of skeletal muscle hyperactivity, for example, the muscle spasms that can occur in multiple sclerosis. (12 Dec 1998) |
| muscle relaxation | That phase of a muscle twitch during which a muscle returns to a resting position. (12 Dec 1998) |
| muscle repositioning | The surgical replacement of a muscle attachment into a more functional position. (05 Mar 2000) |
| muscle resection | Shortening of the tendon of the ocular muscle in strabismus. (05 Mar 2000) |
| muscle rigidity | Continuous tonic contraction of skeletal muscle. (12 Dec 1998) |
| muscle serum | The fluid remaining after the coagulation of muscle plasma and the separation of myosin. (05 Mar 2000) |
| muscle, skeletal | Striated muscles having fibres connected at either or both extremities with the bony framework of the body. These are found in appendicular and axial muscles. (12 Dec 1998) |
| muscle sound | A fine murmur heard on auscultation over the belly of a contracting muscle. (05 Mar 2000) |
| muscle spasm | <physiology> Painful involuntary muscle contractions. Often seen in skeletal muscle after acute injury (muscle strain). (07 Apr 1998) |
| muscle spasticity | A combination of the symptoms of increased resistance to lengthening, hyperactive tendon reflexes, and clonus. Muscle spasticity occurs in hemiplegia. (12 Dec 1998) |
| muscle spindle | A specialised muscle fibre found in tetrapod vertebrates. A bundle of muscle fibres is innervated by sensory neurons. Stretching the muscle causes the neurons to fire, the muscle spindle thus functions as a stretch receptor. (18 Nov 1997) |
| muscle spindles | Mechanoreceptors found between skeletal muscle fibres. Muscle spindles are arranged in parallel with muscle fibres and respond to the passive stretch of the muscle, but cease to discharge if the muscle contracts isotonically, thus signaling muscle length. The muscle spindles are the receptors responsible for the stretch or myotactic reflex (reflex, stretch). (12 Dec 1998) |