anular part of fibrous digital sheath of digits of hand and foot
an·u·lar part of fi·brous dig·i·tal sheath of digits of hand and foot[TA]
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 pedis [TA], anular ligament of digits, anular pulley, anulus of fibrous sheath, ligamentum anulare digitorum
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