Medical

tuberculum of trapezium bone

[TA]

a prominent ridge on the trapezium forming the lateral border of the groove in which runs the tendon of the flexor carpi radialis and to which part of the transverse carpal ligament (flexor retinaculum) is attached.

Synonym(s): tuberculum ossis trapezii [TA], oblique ridge of trapezium, tubercle of trapezium (bone)

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