What's the difference between triquetra and triquetrum?
Triquetra
Definition:
(pl. ) of Triquetrum
Example Sentences:
(1) Within each P, V, and O there is also a triquetra which rotates and which will determine how that individual behaves in the next instance.
(2) It appears they form a triangle or triquetra which rotates with time and circumstance.
(3) A triquetra of these three rotates with time and circumstance.
Triquetrum
Definition:
(n.) One of the bones of the carpus; the cuneiform. See Cuneiform (b).
Example Sentences:
(1) Erosions on the triquetrum and pisiform are frequent in early rheumatoid arthritis and occur characteristically at 3 sites.
(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) The proximal row of carpal bones, including Os scaphoideum, Os lunatum and Os triquetrum, should be considered as a functional unit.
(4) In some Nycticebus, intra-articular tissues separate the ulna from the triquetrum.
(5) Treatment consisted of resection of the triquetrum, followed by intercarpal arthrodesis.
(6) Os multangulum minus and os capitatum as well as os triquetrum and possibly also the os pisiforme showed a synostosis.
(7) Degenerative arthritis of the pisotriquetral joint was diagnosed by point tenderness over the pisiform and crepitus elicited by lateral movement of the pisiform on the triquetrum.
(8) Fusion of the lunate and triquetrum, however, are more common and are more frequent in negroes than in caucasians.
(9) Ulnar midcarpal instability can be treated by ligament repair or by a partial arthrodesis between the triquetrum and the hamate.
(10) The results indicated that the motion of the triquetrum was significantly increased at stage A, particularly after 15 degrees of ulnar deviation.
(11) In all the specimens used in this study, the lateral end of the retinaculum was found to be attached to the distal part of the anterior border of the radius and its medial end was attached to the styloid process of the ulna, the pisiform and the triquetrum.
(12) Such x-rays are, in particular: lateral radioulnar x-ray rotated by 10 degrees in volar direction to assess the os triquetrum; lateral radioulnar x-ray in 10-30 degrees supination to visualise the os pisiforme; carpal tunnel x-ray to assess the entire hollow of the hand, in particular the volar parts of os pisiforme, os hamatum (hamulus) and os trapezium.
(13) All the patients had some type of intercarpal arthrodesis including four capitate-lunate-triquetrum hamate (CLTH), one lunate-triquetrum (LT), one lunate-triquetrum-hamate (LTH), and one triquetrum-hamate (TH).
(14) The X-rays six months later showed an irregular joint space between the lunate and triquetrum bone, while on his left wrist a synostosis between these bones was found.
(15) Group 3 bones, which included the trapezium, the triquetrum, the pisiform, and 92% of the lunates, had rich internal anastomoses and were at least risk of undergoing avascular necrosis.
(16) Motion of the scaphoid, lunate, triquetrum, capitate and hamate was studied.
(17) A case of dorsal dislocation of the triquetrum associated with a dorsal dislocation of the distal radioulnar joint is reported.
(18) A case report of four patients with an synostosis between the lunate and the triquetrum is represented, two of them were members of African people.
(19) The unusual case of fracture and pseudarthrosis of a synostosis between os lunatum and os triquetrum is described.
(20) It is anchored by strong ligaments to the scaphoid on one side and the triquetrum on the other, thus forming a 3-bone intercalary system, which is in turn guided by the palmar distal V-ligament and the dorsal radio-triquetral ligament.