| JCRT | Joint Center for Radiation Therapy |
|---|---|
| JCAH | Joint Commision of Accreditation of Hospitals |
| JCAHO | Joint Commission of Accreditation of Healthcare Organizations |
| JCAHO | Joint Commission on the Accreditation of Health Care Organizations |
| JECFA | Joint FAO-WHO Expert Committee on Food Additives |
| opposer muscle of thumb | <anatomy, muscle> Origin, ridge of trapezium and flexor retinaculum; insertion, anterior surface of the full length of the shaft of the first metacarpal bone; action, acts at carpometacarpal joint to "cup" palm, enabling one to oppose thumb to other fingers; nerve supply, median. Synonym: musculus opponens pollicis, opposer muscle of thumb. (05 Mar 2000) |
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| tear-thumb | <botany> A name given to several species of plants of the genus Polygonum, having angular stems beset with minute reflexed prickles. Source: Websters Dictionary (01 Mar 1998) |
| tennis thumb | Tendinitis with calcification in the tendon of the long flexor of the thumb (flexor pollicis longus) caused by friction and strain as in tennis playing, but also occurring in other exercises in which the thumb is subject to repeated pressure or strain. (05 Mar 2000) |
| thumb | The first digit on the radial side of the hand. Synonym: digitus primus, pollex, first finger. Origin: A.S. Thuma (05 Mar 2000) |
| thumb forceps | A spring forceps used by compression with thumb and forefinger. (05 Mar 2000) |
| thumb fractures | <radiology> Base of 1st metacarpal, Bennett ULNAR side, Rolando RADIAL side (mnemonic R=R), base of 1st proximal phalanx, Gamekeeper avulsion fracture (12 Dec 1998) |
| thumb lancet | A lancet with short flat blade which folds back, when closed, between two plates of the handle. (05 Mar 2000) |
| thumb reflex | Flexion of the thumb upon tapping the dorsum of the hand. Synonym: metacarpothenar reflex. (05 Mar 2000) |
| finger-thumb reflex | Opposition and adduction of the thumb with flexion at its metacarpophalangeal joint and extension at its interphalangeal joint, when firm passive flexion of the third, fourth, or fifth finger is made; the reflex is present normally but is absent in pyramidal lesions. Synonym: finger-thumb reflex, Mayer's reflex. (05 Mar 2000) |
| lady's thumb | <botany> An annual weed (Polygonum Persicaria), having a lanceolate leaf with a dark spot in the middle. Source: Websters Dictionary (01 Mar 1998) |
| long abductor muscle of thumb | <anatomy> Origin, interosseous membrane and posterior surfaces of radius and ulna; insertion, lateral side of base of first metacarpal bone; action, abducts and assists in extending thumb; nerve supply, radial. Synonym: musculus abductor pollicis longus, long abductor muscle of thumb, musculus extensor ossis metacarpi pollicis. (05 Mar 2000) |
| long extensor muscle of thumb | <anatomy, muscle> Origin, posterior surface of ulna; insertion, base of distal phalanx of thumb; action, extends distal phalanx of thumb; nerve supply, radial. Synonym: musculus extensor pollicis longus, long extensor muscle of thumb, musculus extensor longus pollicis. (05 Mar 2000) |
| long flexor muscle of thumb | <anatomy, muscle> Origin, anterior surface of middle third of radius; insertion, distal phalanx of thumb; action, flexes distal phalanx of thumb; nerve supply, median palmar interosseous. Synonym: musculus flexor pollicis longus, long flexor muscle of thumb, musculus flexor longus pollicis. (05 Mar 2000) |
| acromioclavicular joint | The joint formed by the acromion of the scapula and the acromial extremity of the clavicle. (12 Dec 1998) |
| ankle joint | The joint that is formed by the inferior articular and malleolar articular surfaces of the tibia, the malleolar articular surface of the fibula, and the medial malleolar, lateral malleolar, and superior surfaces of the talus. (12 Dec 1998) |