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anular part of fibrous digital sheath of digits of hand and foot


Definition: one of the five circular fibrous bands or pulleys (A1–A5) of the fibrous sheaths of the fingers and the corresponding structures of the toes attached to the shaft of the proximal and middle phalanges and associated joint capsules.

Synonym(s): pars anularis vaginarum fibrosarum digitorum manus et pedisTA, anular ligament of digits, anular pulley, anulus of fibrous sheath, ligamentum anulare digitorum

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.