| elevated hemidiaphragm | <radiology> Phrenic nerve paralysis: invasive carcinoma, trauma, aneurysm, idiopathic: right-sided in males, poss. Viral, subphrenic disease: abscess, peritonitis; pancreas, gall bladder, neurological disease: polio, peripheral neuritis, zoster, splinting: chest wall injury, myotonia congenita, pulmonary infarct, eventration, gaseous distension of stomach or colon Differential diagnosis, Chest fluoro may be helpful to rule out paralysis., Basal (subpulmonic) effusion may mimic elevation. (12 Dec 1998) |
|---|---|
| elevation | 1. The act of raising from a lower place, condition, or quality to a higher; said of material things, persons, the mind, the voice, etc.; as, the elevation of grain; elevation to a throne; elevation of mind, thoughts, or character. 2. Condition of being elevated; height; exaltation. "Degrees of elevation above us." "His style . . . Wanted a little elevation." (Sir H. Wotton) 3. That which is raised up or elevated; an elevated place or station; as, an elevation of the ground; a hill. 4. <astronomy> The distance of a celestial object above the horizon, or the arc of a vertical circle intercepted between it and the horizon; altitude; as, the elevation of the pole, or of a star. 5. The angle which the style makes with the substylar line. 6. The movement of the axis of a piece in a vertical plane; also, the angle of elevation, that is, the angle between the axis of the piece and the line o sight; distinguished from direction. 7. A geometrical projection of a building, or other object, on a plane perpendicular to the horizon; orthographic projection on a vertical plane; called by the ancients the orthography. Angle of elevation, that part of the Mass in which the priest raises the host above his head for the people to adore. Origin: L. Elevatio: cf. F. Elevation. Source: Websters Dictionary (01 Mar 1998) |
| elevator | One who, or that which, raises or lifts up anything; as: A mechanical contrivance, usually an endless belt or chain with a series of scoops or buckets, for transferring grain to an upper loft for storage. A cage or platform and the hoisting machinery in a hotel, warehouse, mine, etc, for conveying persons, goods, etc, to or from different floors or levels; called in England a lift; the cage or platform itself. A building for elevating, storing, and discharging, grain. <anatomy> An instrument for raising a depressed portion of a bone. Elevator head, leg, and boot, the boxes in which the upper pulley, belt, and lower pulley, respectively, run in a grain elevator. Origin: L, one who raises up, a deliverer: cf. F. Elevateur. Source: Websters Dictionary (01 Mar 1998) |
| elevator disease | Respiratory distress arising in persons who work in grain elevators resulting from inhalation of dusts or insects. (05 Mar 2000) |
| elevator muscle of anus | <anatomy> Formed by pubococcygeus and iliococcygeus muscles; origin, posterior body of pubis, tendinous arch of the levator ani, and spine of ischium; insertion, anococcygeal ligament, sides of the lower part of the sacrum and of coccyx; action, resists prolapsing forces and draws the anus upward following defecation; supports the pelvic viscera; nerve supply, nerve to levator ani (fourth sacral spinal nerve). Synonym: musculus levator ani, elevator muscle of anus. (05 Mar 2000) |
| elevator muscle of prostate | <anatomy> In the male, the most medial fibres of the levator ani (pubococcygeus) muscle that extend from the pubis into the fascia of the prostate. Synonym: musculus levator prostatae, elevator muscle of prostate. (05 Mar 2000) |
| elevator muscle of rib | musculus levator costae, elevator muscle of rib, musculi levatores costarum |
| elevator muscle of scapula | <anatomy, muscle> Origin, from posterior tubercles of transverse processes of four upper cervical vertebrae; insertion, into superior angle of scapula; action, raises the scapula; nerve supply, dorsal scapular nerve. Synonym: musculus levator scapulae, elevator muscle of scapula, musculus levator anguli scapulae. (05 Mar 2000) |
| elevator muscle of soft palate | <anatomy, muscle> Origin, apex of petrous portion of temporal bone and lower part of cartilaginous auditory (eustachian) tube; insertion, aponeurosis of soft palate; action, raises soft palate; through the expansion of its fleshy belly during contraction, it helps to "push" open the auditory tube; nerve supply, pharyngeal plexus (cranial root of accessory nerve). Synonym: musculus levator veli palatini, elevator muscle of soft palate, levator palati muscle, musculus levator palati, musculus petrostaphylinus. (05 Mar 2000) |
| elevator muscle of thyroid gland | A fasciculus occasionally passing from the thyrohyoid muscle to the isthmus of the thyroid gland. Synonym: musculus levator glandulae thyroideae, elevator muscle of thyroid gland, Soemmerring's muscle. (05 Mar 2000) |
| elevator muscle of upper eyelid | <anatomy, muscle> Origin, orbital surface of the lesser wing of the sphenoid, above and anterior to the optic canal; insertion, skin of eyelid, tarsal plate, and orbital walls, by medial and lateral expansions of the aponeurosis of insertion; action, raises the upper eyelid; nerve supply, oculomotor. Synonym: musculus levator palpebrae superioris, elevator muscle of upper eyelid, musculus orbitopalpebralis, palpebralis. (05 Mar 2000) |
| elevator muscle of upper lip | <anatomy, muscle> Origin, maxilla below infraorbital foramen; insertion, orbicularis oris of upper lip; action, elevates upper lip; nerve supply, facial. Synonym: musculus levator labii superioris, caput infraorbitale quadrati labii superioris, elevator muscle of upper lip. (05 Mar 2000) |
| elevator muscle of upper lip and wing of nose | <anatomy, muscle> Origin, root of nasal process of maxilla; insertion, wing of nose and orbicularis oris muscle of upper lip; action, elevates upper lip and wing of nose; nerve supply, facial. Synonym: musculus levator labii superioris alaeque nasi, caput angulare quadrati labii superioris, elevator muscle of upper lip and wing of nose. (05 Mar 2000) |
| elevators and escalators | Mechanical ascending and descending devices which convey objects and/or people. (12 Dec 1998) |
| elevatory | <surgery> See Elevator, . Origin: Cf. F. Elevatoire. Source: Websters Dictionary (01 Mar 1998) |