Comp. Anat. Also in Fr.-Eng. form tarso-metatarse. The bone formed by ankylosis of the tarsus and the metatarsus in birds and early reptilian types.

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1854.  Owen, Skel. & Teeth, in Orr’s Circ. Sc. I. Org. Nat., 224. The period at which these several constituents of the ‘tarso-metatarse’ coalesce is shorter in the birds that can fly than in [the others].

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1870.  Rolleston, Anim. Life, 18. The fibula never articulates with the tarso-metatarsus.

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