Fingertip Anatomy

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. Prognosis improper treatment may result in stiffness and long term functional loss.

Human Nail Finger Anatomy External View And The Sectional

Bone support for nail growth.

Fingertip anatomy. Fingers have a complex anatomy. The fingertip wound should be assessed for tissue loss. There are two interphalangeal joints ip joints on each finger.

Anatomy of the fingers finger bones. 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. Each finger has 3 phalanges bones and 3 hinged joints.

The finger is comprised of three phalanges extending from the hands second metacarpal. The index middle ring and fifth digits have proximal middle and distal phalanges and three hinged joints. Nerves send signals from the brain to the.

You can also damage the nerve endings in the fingertips. Like all skin it is made of two types of tissues. The anatomy of the finger is complex but a basic knowledge is necessary to properly treat acute injuries.

Basic anatomy of the finger. The proximate phalange provides the base of the finger which connects to the intermediate phalange via the. 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.

If the fingertip wound cannot be repaired primarily no bone. The nail bed is the skin beneath the nail plate. Nerves of the fingers.

Ligaments connect finger bones and help keep them in place. Finger fractures may account for up to 10 of all bone fractures. Ask a doctor online now.

Tendons connect muscles to bones. Fingers are easily injured and broken fingers are some of the most common traumatic injuries seen in an emergency room. Injury to the finger with variable involvement of soft tissue bone and tendon.

The finger bones are known as phalanges singular phalanx. Distal interphalangeal dip proximal interphalangeal pip and metacarpophalangeal mcp. The thumb has two of each.

Goals of treatment sensate tip. If there is minimal tissue loss the wound can be debrided and closed primarily.

Anatomy Of The Index Finger 18 Download Scientific Diagram