| FVR | feline viral rhinotracheitis; forearm vascular resistance |
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| LF | labile factor; lactoferrin; laryngofissure; Lassa fever; latex fixation; left foot; left forearm; le... |
| APA | action potential amplitude; aldosterone-producing adenoma; Ambulatory Pediatric Association; America... |
| BRCM | below right costal margin |
| CM | California mastitis [test]; calmodulin; capreomycin; carboxymethyl; cardiac murmur; cardiac muscle; ... |
| ulnar head | The name applied to a head of origin of a forearm muscle arising from the ulna. Nomina Antomica lists ulnar heads (caput ulnare...) of the following: 1) flexor carpi ulnaris muscle (... Musculi flexoris carpi ulnaris ); 2) pronator teres muscle (... Musculi pronatoris teritis ). Synonym: caput ulnare. (05 Mar 2000) |
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| ulnar nerve | <anatomy, nerve> A major nerve of the upper extremity. In humans, the fibres of the ulnar nerve originate in the lower cervical and upper thoracic spinal cord (usually c7 to t1), travel via the medial cord of the brachial plexus, and supply sensory and motor innervation to parts of the hand and forearm. (12 Dec 1998) |
| ulnar nerve compression syndrome | <syndrome> A condition caused by compression or entrapment of the ulnar nerve. It may involve both sensory and motor problems and most often results from compression or entrapment of the ulnar nerve at the elbow (cubital tunnel syndrome). Compression of the nerve may occur during normal activities or as a complication of general anaesthesia. (12 Dec 1998) |
| ulnar notch | The concave surface on the medial side of the distal end of the radius which articulates with the head of the ulna. Synonym: incisura ulnaris. (05 Mar 2000) |
| ulnar reflex | Pronation and adduction of the hand caused by tapping the styloid process of the ulna. Synonym: pronator reflex. (05 Mar 2000) |
| ulnar styloid erosions | <radiology> Seen in rheumatoid arthritis, related to: triangular fibrocartilage, prestyloid recess (of joint space), extensor carpi ulnaris tendon (12 Dec 1998) |
| ulnar variance | <radiology> Ulna minus variance ulna shorter than radius increased frequency of avascular necrosis of lunate associated with DISI, ulna plus variance ulna longer than radius increased stress on triangular fibrocartilage (12 Dec 1998) |
| ulnar veins | Venae comitantes of the ulnar artery, continuing from those of the supericial palmar arch and joining with those of the radial artery to form the brachial veins in the cubital fossa. Synonym: venae ulnares. (05 Mar 2000) |
| anterior margin | The ventral or most forward margin of a structure. Synonym: anterior margin, ventral border. (05 Mar 2000) |
| articular margin | A ring of fibrocartilage attached to the margin of the glenoid cavity of the scapula to increase its depth. Synonym: labrum glenoidale, articular margin, circumferential cartilage, glenoid ligament, glenoidal lip, ligamentum glenoidale. (05 Mar 2000) |
| margin | 1. A border; edge; brink; verge; as, the margin of a river or lake. 2. Specifically: The part of a page at the edge left uncovered in writing or printing. 3. The difference between the cost and the selling price of an article. 4. Something allowed, or reserved, for that which can not be foreseen or known with certainty. 5. Collateral security deposited with a broker to secure him from loss on contracts entered into by him on behalf of his principial, as in the speculative buying and selling of stocks, wheat, etc. Margin draft, that part of a course, as of slates or shingles, which is not covered by the course immediately above it. See Gauge. Synonym: Border, brink, verge, brim, rim. Origin: OE. Margine, margent, L. Margo, ginis. Cf. March a border, Marge. Source: Websters Dictionary (01 Mar 1998) |
| margin of acetabulum | The rim of bone around the acetabulum to which is attached the labrum acetabulare. Synonym: limbus acetabuli, margo acetabularis. (05 Mar 2000) |
| margin of fossa ovalis | A muscular ring surrounding the fossa ovalis in the wall of the right atrium of the heart. Synonym: annulus ovalis, margin of fossa ovalis, Vieussens' annulus, Vieussens' isthmus, Vieussens' limbus, Vieussens' ring. (05 Mar 2000) |
| margin of orbit | The mostly sharp edge of the orbital opening which is the peripheral border of the base of the pyramid-shaped orbit. The superior half of the orbital rim is the supraorbital margin; the inferior half is the infraorbital margin. The frontal, maxillary, and zygomatic bones contribute to the orbital rim, which is generally strong to protect the orbital contents. Weak, potential fracture sites of the rim coincide with the sutures between the participating bones. Synonym: margin of orbit. (05 Mar 2000) |
| margin of safety | The margin between the minimal therapeutic dose and the minimal toxic dose of a drug. (05 Mar 2000) |