What's the difference between trapeziform and trapezium?

Trapeziform


Definition:

  • (a.) Having the form of a trapezium; trapezoid.

Example Sentences:

  • (1) When performing this, it is necessary to restore the filtrum, mental fossa and commissures of the mouth slit with the trapeziform flaps.
  • (2) Four or five trapeziform mantle cells are connected closely with each other to form the shell of the neuromast.
  • (3) The formation of a commissure by a trapeziform flap of skin and fatty tissue of the palmar layer and palm is the foundation of the operation.
  • (4) In the paper, the author suggests an essentially new method of dilation of the oral orifice and elimination of mouth angles deviations basing on the principle of new redistribution of local tissues by means of rotation of a trapeziform graft of the mucosa with its submucous layer from the buccal and adoral region.
  • (5) The constant electric field was shown to be characterized by a fine structure of distribution of electric potential differences (EPD) along the skin in relation to a referent point located on the neck in the intersection region of trapeziform and clavicular-nipple muscles.
  • (6) In the cultures obtained by inoculating sputum samples faken from patients with bronchial infection into solid agar medium prepared on Hottinger's hydrolysate with fresh rabbit blood added Haemophilus influenzae produced colonies varying in their from (dome-shaped, conical, trapeziform), as well as in the morphology of the organisms.

Trapezium


Definition:

  • (n.) A plane figure bounded by four right lines, of which no two are parallel.
  • (n.) A bone of the carpus at the base of the first metacarpal, or thumb.
  • (n.) A region on the ventral side of the brain, either just back of the pons Varolii, or, as in man, covered by the posterior extension of its transverse fibers.

Example Sentences:

  • (1) The authors describe three patients in whom this complication occurred after Silastic replacements of the carpal scaphoid and trapezium bones.
  • (2) The wrist motion remaining after simulated arthrodeses was as follows: capitate-hamate: flexion (Flx) 98%, extension (Ext) 92%, ulnar deviation (UD) 96%, radial deviation (RD) 90%; scaphoid-lunate: Flx 97%, Ext 91%, UD 90%, RD 91%; scaphoid-trapezium-trapezoid: Flx 86%, Ext 88%, UD 67%, RD 69%; scaphoid-lunate-triquetrum: Flx 91%, Ext 82%, UD 86%, RD 70%; capitate-lunate: Flx 70%, Ext 59%, UD 89%, RD 79%; capitate-hamate-triquetrum: Flx 88%, Ext 79%, UD 88%, RD 81%; hamate-triquetrum: Flx 90%, Ext 85%, UD 89%, RD 94%; scaphoid-trapezium-trapezoid-capitate: Flx 85%, Ext 77%, UD 64%, RD 57%.
  • (3) Twenty-five patients who presented with symptoms of disabling pain secondary to arthritis at the base of thumb had 29 arthroplasties with silicone rubber trapezium implants.
  • (4) Although the design features of the Niebauer implant offer theoretical advantages for stability and fixation, this study does not demonstrate better results compared with other types of silicone trapezium implants.
  • (5) Operation, consisting of resection of the trapezium and shortening by 1.5 cm of the abductor pollicis longus tendon was performed on 16 thumbs.
  • (6) If there is localized uptake in the area of the trapezium, additional radiographic studies may be necessary to confirm or exclude this fracture.
  • (7) The fracture of the trapezium can prevent the normal mobility of the thumb, and therefore an anatomical reduction is desirable.
  • (8) Osteoarthritic involvement of more than one of the articular surfaces of the trapezium was found in a group of 31 hands.
  • (9) The area under each sensitivity gradient was determined using the trapezium rule.
  • (10) The first point of reference is fixed and consists of a line projected through the radial articular surface of the second metacarpal with the trapezium.
  • (11) Trapezium-scaphoid-trapezoid subluxations and trapezoid-capitate-scaphoid-trapezium subluxations or dislocations are rare.
  • (12) The present study deals with patients in whom the diagnostic procedures applied in rhizoid arthrosis were considered to reveal scaphoid-trapezium-trapezoid (STT) arthrosis.
  • (13) We studied 18 patients ranging in age from 16 years to 57 years who presented 8 to 78 months (average, 31.7 months) after silicone arthroplasty (four scaphoid, six lunate, one scapholunate, four finger, two wrist, one trapezium, and one ulnar head for metacarpal hemiarthroplasty).
  • (14) Fractures of the body of the trapezium are uncommon.
  • (15) After excision of the trapezium, a strip from the flexor carpi radialis was wound around the main portion of the flexor carpi radialis tendon and the abductor pollicis longus.
  • (16) The patients treated by resection of the trapezium and tendon interposition were more satisfied and had less pain than those treated by implantation of a Swanson prosthesis.
  • (17) Having performed 100 anatomical dissections we found that in the first dorsal compartment of the wrist besides other tendons there are one or two tendons belonging to a musculo-tendinous unit, not yet described, inserting in the trapezium and acting almost together with the other units going to the first metacarpal.
  • (18) Excision of the trapezium gave good results with respect to pain relief, but there was loss of thumb stability and strength.
  • (19) Relationships between the younger, single members of staff were purest catnip to us; we were always turning love triangles into love trapeziums.
  • (20) The physio-pathology of fractures of the trapezium was investigated by personal experiments conducted in the laboratory on 26 wrists and showed 3 main mechanisms: a fall on the hand with the wrist extended and radially deviated (Manon) and direct commissural trauma combined with various degrees of shearing described by Monsche.

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