Phalanges of Domestic Cat Forefoot
Thoracic Phalanges of Cat

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Thoracic Phalanx
Bone of a digit (finger or toe) of the  thoracic limb (forelimb).
The digits of cats of dogs, excluding the pollex (equivalent to the thumb), hallux (equivalent to the human big toe)  and the dew claw, consist of three phalanges. These exceptions consist of two phalanges.
If present, a dew claw may contain up to two phalanges, but sometimes dew claws located on a hind foot may contain no bones.
Cf. pelvic phalanx