Phalanx

Phalanx is a term used in both anatomy and military contexts. In anatomy, it refers to the bones in the fingers and toes, while in a military context, it refers to a formation of soldiers or vehicles positioned in close, deep ranks. This article will focus on the anatomical definition of phalanx.

Anatomy[edit | edit source]

The phalanges (plural) are the bones that make up the fingers of the hand and the toes of the foot. There are 56 phalanges in the human body, with fourteen on each hand and foot. Each finger and toe, except the thumb and big toe, have three phalanges: the proximal, middle, and distal phalanges. The thumb and big toe only have a proximal and distal phalanx.

Structure[edit | edit source]

Each phalanx consists of a body and two extremities. The body, the main part, is cylindrical in shape, while the extremities are smaller and shaped for articulation with the neighboring bones. The superior extremity of the body of the phalanx presents a medullary cavity for the passage of the flexor tendons.

Function[edit | edit source]

The phalanges play a crucial role in the human body's ability to manipulate objects. They provide the points of articulation for the muscles that control the fingers and toes, allowing for a wide range of motion and dexterity.

Clinical significance[edit | edit source]

Injuries to the phalanges can occur in a variety of ways, including fractures, dislocations, and sprains. Treatment for these injuries can range from immobilization to surgery, depending on the severity of the injury.

References[edit | edit source]

Phalanx Resources
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