hamate


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Related to hamate: capitate, trapezoid bone

hamate

 [ham´āt]
shaped like a hook, as the hamate bone (see anatomic Table of Bones in the Appendices). See also uncinate.

ha·mate (bone)

[TA]
the bone on the medial (ulnar) side of the distal row of the carpus that features a distinct, anteriorly projecting hook; it articulates with the fourth and fifth metacarpal, triquetral, lunate, and capitate.

hamate

/ham·ate/ (ham´āt) shaped like a hook.

hamate

(hā′māt′) Anatomy
n.
A small, hook-shaped carpal bone of the wrist. Also called unciform.
adj.
Hooked at the tip.

ha·mate bone

(ham'āt bōn)
The bone on the medial (ulnar) side of the distal row of the carpals; it articulates with the fourth and fifth metacarpal, triquetral, lunate, and capitate.
Synonym(s): os hamatum [TA] , unciform bone.

hamate

1. Hooked at the tip.
2. One of the bones of the wrist.

hamate

1. hooked.
2. the fourth carpal bone.
References in periodicals archive ?
Radiographic evidence and thus diagnosis of hamate fractures is difficult to recognize on standard AP and lateral imaging.
A club that is too short will have the butt end lying against the hypothenar eminence leaving the hook of the hamate vulnerable to injury (Fig.
2000) Treatment of ununited fracture of the hook of the hamate by low-intensity pulsed ultrasound.
According to the data obtained in this present study, median nerve cross-sectional area was observed to be increased in only 19% of the patients at the distal radioulnar joint level, in 33% of the patients at the level of the pisiform and in 18% of the patients at the level of the hamate hook.
Anatomically, a variation in the hook of the hamate bone (part of the floor in the carpal tunnel) was more often found in study subjects with CTS compared with the group without CTS.
Case report 740: Giant cell tumor of the hamate bone.
GCT of carpal bones affected in 31% the hamate, in 24% the capitate, in 14% the scaphoid, in 10% the lunate, in 7% the triquetrum, in 7% the trapezium, in 7% the trapezoid, and multifocal appearance was found in 14% of all cases [4].
9) Typical areas include the scaphoid, the tubercle of trapezium (radial-sided pain), the hook of the hamate (ulnar/volarsided pain) and the distal radius.
4,5) Guyon's canal is bordered by the pisiform medially and the hook of the hamate laterally, with the pisohamate ligament forming the floor of the canal and the roof composed of the palmar carpal ligament.
It enters the hand volar to the flexor retinaculum, lateral to the pisiform, and medial to the hamate.