Fingertip
Fingertip
Fingertip (/ˈfɪŋɡərtɪp/), from the Old English finger and tip, is the extreme end or terminal part of a finger. It is the area that is opposite the base of the finger and directly under the nail. It is sensitive to touch due to the high number of sensory receptors present in it.
Anatomy
The fingertip is a complex structure, with many specialized features. It contains a dense concentration of nerve endings, making it one of the most sensitive parts of the human body. The skin of the fingertip is ridged to enhance sensitivity and provide better grip. These ridges are unique to each individual and are used in fingerprint identification.
The fingertip also contains the distal phalanx, the last bone of the finger. This bone is covered by a thick, protective layer of skin and tissue, known as the fingernail. The nail serves to protect the fingertip and enhance fine-touch sensation.
Related Terms
- Finger: The multi-segmented limb located on the hands of humans and other primates.
- Nail: A horn-like envelope covering the dorsal aspect of the terminal phalanges of fingers and toes in humans.
- Sensory receptors: Specialized cells that convert specific types of environmental stimuli into signals recognized by the nervous system.
- Fingerprint: The unique patterns made by ridges on a human fingertip.
See Also
External links
- Medical encyclopedia article on Fingertip
- Wikipedia's article - Fingertip
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