| Fr1 | first fraction |
|---|---|
| FRS | Fellow of the Royal Society; ferredoxin-reducing substance; first rank symptom; furosemide |
| FUS | feline urologic syndrome; first-use syndrome |
| L1, | L2, L3, L4, L5 first, second, third, fourth, and fifth lumbar vertebrae |
| LI, LII, | LIII first, second, third stage of syphilis |
| intraperiosteal fracture | A fracture in which the periosteum is not ruptured. (05 Mar 2000) |
|---|---|
| intrauterine fracture | A fracture of one or more bones of a foetus occurring before birth. Synonym: foetal fracture. (05 Mar 2000) |
| oblique fracture | A fracture the line of which runs obliquely to the axis of the bone. (05 Mar 2000) |
| occult fracture | A condition in which there are clinical signs of fracture but no X-ray evidence; after 3 or 4 weeks X-ray imaging shows new bone formation. (05 Mar 2000) |
| open fracture | Fracture in which the skin is perforated and there is an open wound down to the fracture. Synonym: compound fracture. (05 Mar 2000) |
| open skull fracture | A fracture with laceration of overlying scalp and/or mucous membrane. Synonym: compound skull fracture. (05 Mar 2000) |
| tear drop fracture | <radiology> Avulsion of anterioinferior corner of cervical vertebral body by anterior ligament, most severe and unstable injury of the cervical spine, often the result of diving into shallow water, may be secondary to hyperflexion or hyperextension, typically at C2 see: cervical spine fractures (12 Dec 1998) |
| thoracic spine fracture | <orthopaedics> Bony fracture of one of the twelve thoracic vertebrae. (27 Sep 1997) |
| tillaux fracture | <radiology> Fracture of lateral aspect of distal tibia, analog of Salter III fracture of distal tibia in kids: distal tibial epiphysis closes in 12-18 months, medial portion closes first (12 Dec 1998) |
| elbow fracture | <radiology> Child: supracondylar fracture of humerus, adult: radial head fracture fat pads, anterior seen normally, displaced proximally by effusion, posterior most likely to be elbow joint effusion radiologic lines, anterior humeral line: should pass through capitellum, radio-capitellar line: should bisect radius and capitellum see also: elbow ossification centres, forearm fractures (12 Dec 1998) |
| toddler's fracture | <radiology> Non-displaced spiral fracture of tibia, no history of trauma, tender swelling of tibia, with or without periosteal new bone, main problem: make correct diagnosis Differential diagnosis: infection, tumour, non-accidental trauma (abuse) (12 Dec 1998) |
| torsion fracture | A fracture resulting from twisting of the limb. (05 Mar 2000) |
| torus fracture | A deformity in children consisting of a local bulging caused by the longitudinal compression of the soft bone; it occurs commonly in the radius or ulna or both. Synonym: folding fracture. (05 Mar 2000) |
| transcervical fracture | A fracture through the neck of the femur. (05 Mar 2000) |
| transcondylar fracture | A fracture through condyles of the humerus or femur. (05 Mar 2000) |