Digit

Digit is a term used in anatomy to refer to the fingers or toes in humans and other animals. The term is derived from the Latin word "digitus" which means "finger". In humans, each hand and foot has five digits, which are numbered from one to five starting from the thumb or big toe.

Anatomy of a Digit[edit | edit source]

Each digit in humans is made up of several parts, including the phalanges, the metacarpals or metatarsals, and the nails. The phalanges are the bones that make up the fingers and toes. Each finger and toe, except for the thumb and big toe, has three phalanges: the proximal, middle, and distal phalanges. The thumb and big toe only have two phalanges: the proximal and distal phalanges.

The metacarpals and metatarsals are the bones in the hand and foot, respectively, that connect the phalanges to the rest of the skeleton. The nails are made of a tough protein called keratin and serve to protect the sensitive tips of the digits.

Function of Digits[edit | edit source]

Digits play a crucial role in many aspects of life, including locomotion, manipulation, and sensation. They allow for precise movements and the ability to grasp and manipulate objects. The digits also contain numerous nerve endings, making them highly sensitive to touch, temperature, and pain.

Disorders of the Digits[edit | edit source]

There are many disorders that can affect the digits, including arthritis, fractures, infections, and congenital deformities. Treatment for these conditions can range from conservative measures such as rest and medication to surgical interventions.

See Also[edit | edit source]

Digit Resources
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