| MSR | macrophage scavenger receptor; Member of the Society of Radiographers; monosynaptic reflex; muscle s... |
|---|---|
| PSR | pain sensitivity range; perspective surface rendering; portal systemic resistance; proliferative sic... |
| QEE | quadriceps extension exercise |
| QJ | quadriceps jerk |
| quad | quadrant; quadriceps; quadriplegic |
| Q | Quadriceps |
|---|---|
| QF | quadriceps femoris |
| PSR | pulmonary stretch receptor |
| SARs | Slowly adapting pulmonary stretch receptors |
| SR | Stretch Receptor |
| musculus quadriceps extensor femoris | <anatomy, muscle> Origin, by four heads: rectus femoris, vastus lateralis, vastus intermedius, and vastus medialis; insertion, patella, and thence by ligamentum patellae to tuberosity of tibia; action, extends leg; flexes thigh by action of rectus femoris; nerve supply, femoral. Synonym: musculus quadriceps femoris, musculus quadriceps extensor femoris, quadriceps muscle of thigh. (05 Mar 2000) |
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| musculus quadriceps femoris | <anatomy, muscle> Origin, by four heads: rectus femoris, vastus lateralis, vastus intermedius, and vastus medialis; insertion, patella, and thence by ligamentum patellae to tuberosity of tibia; action, extends leg; flexes thigh by action of rectus femoris; nerve supply, femoral. Synonym: musculus quadriceps femoris, musculus quadriceps extensor femoris, quadriceps muscle of thigh. (05 Mar 2000) |
| quadriceps femoris | <anatomy, muscle> Origin, by four heads: rectus femoris, vastus lateralis, vastus intermedius, and vastus medialis; insertion, patella, and thence by ligamentum patellae to tuberosity of tibia; action, extends leg; flexes thigh by action of rectus femoris; nerve supply, femoral. Synonym: musculus quadriceps femoris, musculus quadriceps extensor femoris, quadriceps muscle of thigh. (05 Mar 2000) |
| quadriceps muscle of thigh | <anatomy, muscle> Origin, by four heads: rectus femoris, vastus lateralis, vastus intermedius, and vastus medialis; insertion, patella, and thence by ligamentum patellae to tuberosity of tibia; action, extends leg; flexes thigh by action of rectus femoris; nerve supply, femoral. Synonym: musculus quadriceps femoris, musculus quadriceps extensor femoris, quadriceps muscle of thigh. (05 Mar 2000) |
| quadriceps reflex | A sudden contraction of the anterior muscles of the thigh, caused by a smart tap on the patellar tendon while the leg hangs loosely at a right angle with the thigh. Synonym: knee jerk, knee phenomenon, knee reflex, knee-jerk reflex, patellar tendon reflex, quadriceps reflex. (05 Mar 2000) |
| reflex, stretch | Reflex contraction of a muscle in response to stretching, which stimulates muscle proprioceptors. (12 Dec 1998) |
| pulmonary stretch receptors | Stretch receptors found in the bronchi and bronchioles. Pulmonary stretch receptors are sensors for a reflex which stops inspiration. In humans, the reflex is protective and is probably not activated during normal respiration. (12 Dec 1998) |
| stretch | 1. To reach out; to extend; to put forth. "And stretch forth his neck long and small." (Chaucer) "I in conquest stretched mine arm." (Shak) 2. To draw out to the full length; to cause to extend in a straight line; as, to stretch a cord or rope. 3. To cause to extend in breadth; to spread; to expand; as, to stretch cloth; to stretch the wings. 4. To make tense; to tighten; to distend forcibly. "The ox hath therefore stretched his yoke in vain." (Shak) 5. To draw or pull out to greater length; to strain; as, to stretch a tendon or muscle. "Awake, my soul, stretch every nerve." (Doddridge) 6. To exaggerate; to extend too far; as, to stretch the truth; to stretch one's credit. "They take up, one day, the most violent and stretched prerogative." (Burke) Origin: OE. Strecchen, AS. Streccan; akin to D. Strekken, G. Strecken, OHG. Strecchen, Sw. Stracka, Dan. Straekke; cf. AS. Straeck, strec, strong, violent, G. Strack straight; of uncertain origin, perhaps akin to E. Strong. Cf. Straight. Source: Websters Dictionary (01 Mar 1998) |
| stretch marks | Bands of thin wrinkled skin, initially red but becoming purple and white, which occur commonly on the abdomen, buttocks, and thighs at puberty and/or during and following pregnancy, and result from atrophy of the dermis and overextension of the skin; also associated with ascites and Cushing's syndrome. Synonym: atrophoderma striatum, lineae albicantes, lineae atrophicae, linear atrophy, stretch marks, stria, striae atrophicae, striate atrophy of skin, traction atrophy, vergeture. (05 Mar 2000) |
| stretch receptors | Receptor's that are sensitive to elongation, especially those in Golgi tendon organs and muscle spindles, but also those found in visceral organs such as the stomach, small intestine, and urinary bladder; these receptor's have the function of detecting elongation, and this distinguishes them from baroreceptors, which actually are activated by stretching of the wall of the blood vessel but whose function is to elicit central reflex mechanism reducing the arterial blood pressure. (05 Mar 2000) |
| stretch reflex | Tonic contraction of the muscles in response to a stretching force, due to stimulation of muscle proprioceptors. Synonym: Liddell-Sherrington reflex, muscular reflex, stretch reflex. (05 Mar 2000) |
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