distal phalanx of the thumb (right) (Phalanx distalis prima)
Educational content only — not medical advice.
Anatomy
the tip of the thumb: its ungual tuberosity carries the nail bed, receiving the extensor pollicis longus terminally and the flexor pollicis longus insertion. This phalanx belongs to the thumb of the right hand.
Clinical notes
Crush fracture from door slamming is common in children and, when it extends into the nail bed, is treated as an open fracture.
Related structures
Educational references
FAQ
What is the role of the distal phalanx of the thumb (right)?
the tip of the thumb: its ungual tuberosity carries the nail bed, receiving the extensor pollicis longus terminally and the flexor pollicis longus insertion. This phalanx belongs to the thumb of the right hand.
Why is the distal phalanx of the thumb (right) clinically important?
Crush fracture from door slamming is common in children and, when it extends into the nail bed, is treated as an open fracture.
Source & license
Derived from Z-Anatomy (Gauthier Kervyn et al.), CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/); upstream geometry from BodyParts3D, © The Database Center for Life Science. license details