Author: Glossary
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Proximal phalanx
Any phalanx that articulates with a metacarpal or metatarsal bone.
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Middle phalanx
When there are three phalanges, the phalanx intermediate between distal and proximal phalanges.
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Metatarsal phalanx
Any phalanx that articulates with a metatarsal bone.
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Metacarpal phalanx
Any phalanx that articulates with a metacarpal bone.
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Distal phalanx
The phalanx most remote from the metacarpus or metatarsus.
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Drop phalangette
Falling of the distal phalanx of a digit with loss of power to extend it when the hand is pronated. This is due to trauma or overstretching of the extensor tendon.
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Phalangette
The distal phalanx of a digit.
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Phalangeal depth ratio
The thickness of the finger at the base of the nail divided by its thickness at the distal interphalangeal joint. A ratio greater than 1 is indicative of clubbing.
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Phakomatosis
Any genetic neurocutaneous disorders, in which anomalies are spread unevenly through the body.
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Phakitis
Inflammation of the crystalline lens of the eye.