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The ring finger, third finger, [1] fourth finger, [2] [3] leech finger, [4] or annulary is the fourth digit of the human hand, located between the middle finger and the little finger. [ 5 ] Sometimes the term ring finger only refers to the fourth digit of a left-hand , so named for its traditional association with wedding rings in many ...
The second finger is another ambiguous term in English. It might refer to either the index finger or the middle finger, also dependent on context. The same can be said for the third finger (referring to either the middle finger or the ring finger); and the fourth finger (referencing either the ring finger or the pinky).
The digit ratio is the ratio taken of the lengths of different digits or fingers on a hand. The most commonly studied digit ratio is that of the 2nd (index finger) and 4th (ring finger), also referred to as the 2D:4D ratio, measured on the palm side.
Paradoxically the two digits that are missing are different: the bird hand (embedded in the wing) is thought to derive from the second, third and fourth digits of the ancestral five-digit hand. In contrast, the theropod dinosaurs seem to have the first, second and third digits.
Human hand anatomy (pentadactyl) In biology, dactyly is the arrangement of digits (fingers and toes) on the hands, feet, or sometimes wings of a tetrapod animal. The term is derived from the Greek word δακτυλος (dáktylos) meaning "finger." Sometimes the suffix "-dactylia" is used. The derived adjectives end with "-dactyl" or "-dactylous."
The fourth metacarpal bone (metacarpal bone of the ring finger) is shorter and smaller than the third. The base is small and quadrilateral; its superior surface presents two facets, a large one medially for articulation with the hamate , and a small one laterally for the capitate .
Josh Allen played through most of the season with a broken left hand.He had an injury scare to his right hand in against the New England Patriots on Sunday.. Allen scrambled for 7 yards in the ...
Cutaneous innervation of the right upper extremity. Areas innervated by the ulnar nerve are the areas on the hand colored in light blue. The ulnar nerve also provides sensory innervation to the fifth digit and the medial half of the fourth digit, and the corresponding part of the palm: