Triquetrum


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Triquetrum

 

an ancient astronomical goniometric instrument that was used to measure the zenith distances of celestial bodies. The triquetrum consisted of two hinged rods and a vertical post, which together formed an isosceles triangle whose vertex angle could be varied according to the zenith distance being measured. The length of the rod located at the base of the triangle was used as the measure of the angle. The triquetrum was used in astronomical observations as late as the 16th century by, for example, Copernicus.

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With the additional fracture to the triquetrum, the senior author decided to perform a three-corner fusion as an alternative to four-corner fusion, which has shown equivalent results, only with additional ROM in ulnar deviation [13].
They originated from the volar and dorsal aspect of the TFC and inserted into the volar and dorsal edges of the triquetrum [Figure 1].
In general, the obtained results were satisfactory, with all showing sensitivity values larger than 0.89 and precision values larger than 0.77 (the worst result being reported for the triquetrum).
La presente investigacion tuvo como objetivo estudiar la morfologia y fenologia de las plantas Centrosema triquetrum y Rorippa indica, para la produccion comercial de mariposas en la Reserva Paway, en el municipio de Mocoa (Putumayo), garantizando la produccion forraje verde.
The whole extension of the ligament and its tears may be difficult to detect; the presence of a step-off between the lunate and triquetrum, central tears of the triangular fibrocartilage, and findings compatible with ulnocarpal abutment warrant careful LTL examination.
(7) It continues distally into the lunate, triquetrum, hamate, and base of fifth metacarpal, and connects with the ulnolunate and ulnotriquetral ligaments and extensor carpi ulnaris (ECU) tendon subsheath.
The dorsal avulsion fracture or "chip fracture" appears as a small bony fragment on the dorsal aspect of the triquetrum and is best detected on the lateral view [3] (Figure 4).
Load deflection curve confirmed that the coiled tendon and the tendon strip between scaphoid and triquetrum resisted the compression force and was effective in carrying and distributing the upcoming loads to the distal row (Figure 6).
cervicornis, Hypnea musciformis, Bryothamnion triquetrum y algas pardas como Padina haitiensis y Dictyota volubilis; capaces de desarrollar habitats de alta productividad que brindan refugio y contribuyen con la fijacion de epifitos, fuente directa o indirecta de alimento para muchas especies de crustaceos decapodos como los registradas en el estudio.
Lunate was positioned in its natural place and fixed by multiple pins (a pin from distal radius to lunate and to capitate, another from triquetrum to lunate).