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The digit, also known as digitus or digitus transversus (Latin), dactyl (Greek) or dactylus, or finger's breadth – 3 ⁄ 4 of an inch or 1 ⁄ 16 of a foot. [1] [2] (about 2 cm) In medicine and related disciplines (anatomy, radiology, etc.) the fingerbreadth (literally the width of a finger) is an informal but widely used unit of measure. [3] [4]
Its traditional measure is the width of a person's thumb at the knuckle, whereas the width of the two forefingers denotes 1.5 cun and the width of four fingers (except the thumb) side-by-side is 3 cuns. [1] It continues to be used to chart acupuncture points on the human body, and, in various uses for traditional Chinese medicine.
Assbā - Arabic finger; Condylos - middle joint of finger; Cun - width of the human thumb, at the knuckle; Dactylos - Ancient Greek finger breadth; Digit - length of a human finger Digitus - Ancient Roman digit; Etzba - fingerbreadth; Fathom - the distance between the fingertips of a human's outstretched arms; Finger
The width of an adult human male finger tip is indeed about 2 centimetres. In English this unit has mostly fallen out of use, as do others based on the human arm: finger (7/6 digit), palm (4 digits), hand (16/3 digits), shaftment (8 digits), span (12 digits), cubit (24 digits) and ell (60 digits).
On surviving Ancient Egyptian cubit-rods, the royal cubit is divided into seven palms of four digits or fingers each. [10] Five digits are equal to a hand, with thumb; and six to a closed fist. [11] The royal cubit measured approximately 525 mm, [12] so the width of the ancient Egyptian hand was about 94 mm.
The related shaftment (1) and hand (2) were the width of the palm plus an open or closed thumb. The other units are the span (4) and finger (5). The palm is an obsolete anthropic unit of length, originally based on the width of the human palm and then variously standardized. The same name is also used for a second, rather larger unit based on ...
4. Consider using finger cots. ... but eventually you can increase the width of what’s being used,” says Dr. Goldstein. And, even if you didn’t love it anal fingering on the first try, Dr ...
The human hand usually has five digits: four fingers plus one thumb; [3] [4] however, these are often referred to collectively as five fingers, whereby the thumb is included as one of the fingers. [ 3 ] [ 5 ] [ 6 ] It has 27 bones, not including the sesamoid bone , the number of which varies among people, [ 7 ] 14 of which are the phalanges ...