Fingertip Anatomy

Prognosis improper treatment may result in stiffness and long term functional loss. Bone support for nail growth.

Cross Section Human Fingertip Anatomy Version 3 001 Nail

Fingers are easily injured and broken fingers are some of the most common traumatic injuries seen in an emergency room.

Fingertip anatomy. Goals of treatment sensate tip. Tendons connect muscles to bones. Ask a doctor online now.

Injury to the finger with variable involvement of soft tissue bone and tendon. The fingertip wound should be assessed for tissue loss. Finger fractures may account for up to 10 of all bone fractures.

Ligaments connect finger bones and help keep them in place. The finger is comprised of three phalanges extending from the hands second metacarpal. Each finger has 3 phalanges bones and 3 hinged joints.

Anatomy of the fingers finger bones. Distal interphalangeal dip proximal interphalangeal pip and metacarpophalangeal mcp. Nerves of the fingers.

The thumb has two of each. You can also damage the nerve endings in the fingertips. There are two interphalangeal joints ip joints on each finger.

If there is minimal tissue loss the wound can be debrided and closed primarily. Nerves send signals from the brain to the. The proximate phalange provides the base of the finger which connects to the intermediate phalange via the.

The nail bed is the skin beneath the nail plate. Like all skin it is made of two types of tissues. The finger bones are known as phalanges singular phalanx.

Basic anatomy of the finger. With high resolution 3 t mri the complex anatomy of the fingers can be imaged in exquisite detail to provide an accurate diagnosis of clinically important ligament and tendon injuries. If the fingertip wound cannot be repaired primarily no bone.

A fingertip injury can result in damage to the skin bone nailbed tendons and the pulp the padded area of the fingertip see figure 1. The index middle ring and fifth digits have proximal middle and distal phalanges and three hinged joints. The deeper dermis the living tissue which includes capillaries and glands and the epidermis the layer just beneath the nail plate which moves toward the finger tip with the plate.

Fingers have a complex anatomy. The anatomy of the finger is complex but a basic knowledge is necessary to properly treat acute injuries.

Finger Wikipedia