styloid process of ulna (ulnar styloid process)

Introduction

A cylindrical pointed palpable projection from the medial & posterior aspect of the head of the ulna, to the tip of which is attached the ulnar collateral ligament of wrist.

• easier to palitate when the hand is supinated

The relationship of the radial & ulnar process is important in:

• diagnosis of certain wrist injuries (e.g., Colles fracture)

More general terms

• bony process

Additional terms

• styloid process of radius (radial styloid process)
• styloid process of temporal bone

Component of

• ulna