| EMS | early morning specimen; early morning stiffness; electrical muscle stimulation; Electronic Medical S... |
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| EOM | end of message; equal ocular movement; external otitis media; extraocular movement; extraocular musc... |
| FDI | first dorsal interosseous [muscle]; International Dental Federation [Federation Dentaire Internation... |
| gastroc | gastrocnemius [muscle] |
| IMT | indomethacin; induced muscular tension; inspiratory muscle training |
| visceral muscle | <anatomy, pathology, physiology> Muscle tissue in vertebrates made up from long tapering cells that may be anything from 20-500m long. Smooth muscle is generally involuntary and differs from striated muscle in the much higher actin/myosin ratio, the absence of conspicuous sarcomeres and the ability to contract to a much smaller fraction of its resting length. Smooth muscle cells are found particularly in blood vessel walls, surrounding the intestine (particularly the gizzard in birds) and in the uterus. The contractile system and its control resemble those of motile tissue cells (e.g. Fibroblasts, leucocytes) and antibodies against smooth muscle myosin will cross react with myosin from tissue cells, whereas antibodies against skeletal muscle myosin will not. See: dense bodies. (18 Nov 1997) |
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| medial great muscle | <anatomy, muscle> Origin, medial lip of linea aspera; insertion, tibial tuberosity by way of common tendon of quadriceps femoris and ligamentum patellae; action, extends leg; nerve supply, femoral. Synonym: musculus vastus medialis, medial great muscle, medial vastus muscle, musculus vastus internus. (05 Mar 2000) |
| medial vastus muscle | <anatomy, muscle> Origin, medial lip of linea aspera; insertion, tibial tuberosity by way of common tendon of quadriceps femoris and ligamentum patellae; action, extends leg; nerve supply, femoral. Synonym: musculus vastus medialis, medial great muscle, medial vastus muscle, musculus vastus internus. (05 Mar 2000) |
| pectineal muscle | <anatomy, muscle> Origin, crest of pubis; insertion, pectineal line of femur; action, adducts thigh and assists in flexion; nerve supply, obturator and femoral. Synonym: musculus pectineus, pectineal muscle. (05 Mar 2000) |
| pectorodorsalis muscle | <anatomy> An anomalous muscle or tendinus slip that passes across the axilla from the pectoralis major to insert with the latissimus dorsi onto the humerus. Though to be a vestige of the panniculus carnosus muscle of lower mammals. Synonym: axillary arch muscle, axillary arch, pectorodorsal muscle. (05 Mar 2000) |
| pectorodorsal muscle | <anatomy> An anomalous muscle or tendinus slip that passes across the axilla from the pectoralis major to insert with the latissimus dorsi onto the humerus. Though to be a vestige of the panniculus carnosus muscle of lower mammals. Synonym: axillary arch muscle, axillary arch, pectorodorsal muscle. (05 Mar 2000) |
| vocal muscle | <anatomy, muscle> Origin, depression between the two laminae of thyroid cartilage; insertion, portions of vocal process of arytenoid; action, shortens and relaxes vocal cords; nerve supply, recurrent laryngeal; a number of the deeper and finer fibres of the thyroaryteroid muscle attached directly to the outer side of the true vocal cord. Synonym: musculus vocalis, musculus thyroarytenoideus internus, vocal muscle. (05 Mar 2000) |
| central core disease of muscle | <neurology> One of the conditions that produces floppy baby syndrome. It causes hypotonia (floppiness) in the newborn baby, slowly progressive muscle weakness, and muscle cramps after exercise. Muscle biopsy shows a key diagnostic finding (absent mitochondria in the centre of many type I muscle fibres). The disease is inherited as a dominant trait. The CCD gene is on chromosome 19 (and involves ryanodine receptor-1). Inheritance: autosomal dominant. (12 Dec 1998) |
| voluntary muscle | <anatomy> One whose action is under the control of the will; all the striated muscle's, except the heart, are voluntary muscle's. (05 Mar 2000) |
| ceratocricoid muscle | <anatomy> A fasciculus from the posterior cricoarytenoid muscle inserted into the inferior horn of the thyroid cartilage. Synonym: musculus ceratocricoideus, Merkel's muscle. (05 Mar 2000) |
| pennate muscle | <anatomy> See: bipennate muscle, unipennate muscle. (05 Mar 2000) |
| cervical iliocostal muscle | <anatomy, muscle> Origin, angles of upper six ribs; insertion, transverse processes of middle cervical vertebrae; action, extends, abducts, and rotates cervical vertebrae; nerve supply, dorsal branches of upper thoracic nerves. Synonym: musculus iliocostalis cervicis, cervical iliocostal muscle, cervicalis ascendens, musculus cervicalis ascendens. (05 Mar 2000) |
| cervical interspinal muscle | Origin, tubercle of spinous process of cervical vertebra; insertion, tubercle of spinous process of next superior vertebra; action, extends the neck; nerve supply, dorsal rami of cervical nerves. Synonym: musculus interspinalis cervicis, cervical interspinal muscle. (05 Mar 2000) |
| cervical longissimus muscle | <anatomy, muscle> Origin, transverse processes of upper thoracic vertebrae; insertion, transverse processes of middle and upper cervical vertebrae; action, extends cervical vertebrae; nerve supply, dorsal primary rami of lower cervical and upper thoracic spinal nerves. Synonym: musculus longissimus cervicis, cervical longissimus muscle, musculus transversalis cervicis, musculus transversalis colli. (05 Mar 2000) |
| cheek muscle | <anatomy, muscle> Origin, posterior portion of alveolar portion of maxilla and mandible and pterygomandibular raphe; insertion, orbicularis oris at angle of mouth; action, flattens cheek, retracts angle of mouth; nerve supply, facial. Plays an important role in mastication, working with tongue to keep food between teeth; when it is paralysed, food accumulates in the oral vestibule. A muscle of the cheek; so called from its use in blowing wind instruments. Origin: L, a trumpeter, fr. Bucinare to sound the trumpet. Synonym: musculus buccinator, cheek muscle. (05 Mar 2000) |