| EC | effective concentration; ejection click; electrochemical; electron capture; embryonal carcinoma; eme... |
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| ECF | effective capillary flow; eosinophilic chemotactic factor; erythroid colony formation; extended care... |
| ECU | environmental control unit; extended care unit; extensor carpi ulnaris |
| EF | ectopic focus; edema factor; ejection fraction; elastic fibril; electric field; elongation factor; e... |
| EHC | enterohepatic circulation; enterohepatic clearance; essential hypercholesterolemia; ethylhydrocuprei... |
| circumferential clasp | A clasp that encircles more than 180 |
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| clasp | 1. A part of a removable partial denture that acts as a direct retainer and/or stabiliser for the denture by partially surrounding or contacting an abutment tooth. 2. A direct retainer of a removable partial denture, usually consisting of two arms joined by a body which connects with an occlusal rest; at least one arm of a clasp usually terminates in the infrabulge (gingival convergence) area of the tooth enclosed. (05 Mar 2000) |
| clasp guideline | A line scribed on an abutment tooth of a dental cast by means of a dental surveyor indicating the height of contour of the tooth according to a specific path of insertion, a line which serves as a guide in the proper location of various parts of a clasp assembly for a removable partial denture. Synonym: clasp guideline, Cummer's guideline. (05 Mar 2000) |
| clasp-knife effect | Initial increased resistance to stretch of the extensor muscles of a joint that give way rather suddenly allowing the joint then to be easily flexed; the rigidity is due to an exaggeration of the stretch reflex. See: lengthening reaction. Synonym: clasp-knife effect, clasp-knife rigidity. (05 Mar 2000) |
| clasp-knife rigidity | Initial increased resistance to stretch of the extensor muscles of a joint that give way rather suddenly allowing the joint then to be easily flexed; the rigidity is due to an exaggeration of the stretch reflex. See: lengthening reaction. Synonym: clasp-knife effect, clasp-knife rigidity. (05 Mar 2000) |
| clasp-knife spasticity | Initial increased resistance to stretch of the extensor muscles of a joint that give way rather suddenly allowing the joint then to be easily flexed; the rigidity is due to an exaggeration of the stretch reflex. See: lengthening reaction. Synonym: clasp-knife effect, clasp-knife rigidity. (05 Mar 2000) |
| continuous clasp | A metal bar, usually resting on lingual surfaces of teeth, to aid in their stabilization and to act as indirect retainer's. Synonym: continuous clasp. (05 Mar 2000) |
| anterior region of arm | Area between deltoid region superiorly and anterior region of elbow inferiorly. Synonym: facies brachialis anterior, regio brachialis anterior, anterior surface of arm, facies anterior brachii. (05 Mar 2000) |
| anterior surface of arm | Anterior articular surface of dens, the curved articular facet on the anterior aspect of the dens of the axis that articulates with the facet for the dens of the axis anterior arch of the atlas. Synonym: facies articularis anterior dentis. (05 Mar 2000) |
| arm | 1. The limb of the human body which extends from the shoulder to the hand; also, the corresponding limb of a monkey. 2. Anything resembling an arm; as, The fore limb of an animal, as of a bear. A limb, or locomotive or prehensile organ, of an invertebrate animal. A branch of a tree. A slender part of an instrument or machine, projecting from a trunk, axis, or fulcrum; as, the arm of a steelyard. The end of a yard; also, the part of an anchor which ends in the fluke. An inlet of water from the sea. A support for the elbow, at the side of a chair, the end of a sofa, etc. 3. Power; might; strength; support; as, the secular arm; the arm of the law. "To whom is the arm of the Lord revealed?" (Isa. Lii. 1) Arm's end, the end of the arm; a good distance off. Arm's length, the length of the arm. Arm's reach, reach of the arm; the distance the arm can reach. To go (or walk) arm in arm, to go with the arm or hand of one linked in the arm of another. "When arm in armwe went along." . To keep at arm's length, to keep at a distance (literally or figuratively); not to allow to come into close contact or familiar intercourse. To work at arm's length, to work disadvantageously. Origin: AS. Arm, earm; akin to OHG. Aram, G, D, Dan, & Sw. Arm, Icel. Armr, Goth. Arms, L. Armus arm, shoulder, and prob. To Gr. Joining, joint, shoulder, fr. The root to join, to fit together; cf. Slav. Rame. See Art, Article. 1. To take by the arm; to take up in one's arms. "And make him with our pikes and partisans A grave: come, arm him." (Shak) "Arm your prize; I know you will not lose him." (Two N. Kins) 2. To furnish with arms or limbs. "His shoulders broad and strong, Armed long and round." (Beau. & Fl) 3. To furnish or equip with weapons of offense or defense; as, to arm soldiers; to arm the country. "Abram . . . Armed his trained servants." (Gen. Xiv. 14) 4. To cover or furnish with a plate, or with whatever will add strength, force, security, or efficiency; as, to arm the hit of a sword; to arm a hook in angling. 5. To furnish with means of defense; to prepare for resistance; to fortify, in a moral sense. "Arm yourselves . . . With the same mind." (1 Pet. Iv. 1) To arm a magnet, to fit it with an armature. Origin: OE. Armen, F. Armer, fr. L. Armare, fr. Arma, pl, arms. See arms. Source: Websters Dictionary (01 Mar 1998) |
| arm injuries | General or unspecified injuries involving the arm. (12 Dec 1998) |
| arm phenomenon | In tetany, spasm both of the extensor muscles of the knee and of the calf muscles when the extended leg is flexed at the hip. Synonym: leg phenomenon, Pool-Schlesinger sign, Schlesinger's sign. In tetany, contraction of the arm muscles following the stretching of the brachial plexus by elevation of the arm above the head with the forearm extended, resembles the contraction resulting from stimulation of the ulnar nerve. Synonym: arm phenomenon. (05 Mar 2000) |
| biceps muscle of arm | <anatomy, muscle> Origin, long head from supraglenoidal tuberosity of scapula, short head from coracoid process; insertion, tuberosity of radius; action, flexes and supinates forearm (it is the primary supinator of the forearm); nerve supply, musculocutaneous. Synonym: musculus biceps brachii, biceps muscle of arm. (05 Mar 2000) |
| brawny arm | A swollen arm caused by lymphedema, particularly after homolateral radical mastectomy. (05 Mar 2000) |
| reciprocal arm | A clasp arm or other extension used on a removable partial denture to oppose the action of some other part or parts of the appliance. (05 Mar 2000) |