Carpus and tarsus of land vertebrates

The carpus (wrist) and tarsus (ankle) of land vertebrates primitively had three rows of carpal or tarsal bones.

Abbreviations: A, Scaphoid bone; B, Lunate bone; C, Triquetrum; D, Trapezium; E, Trapezoid; F, Capitatum; G, Hamatum; P, Pisiform; Cc, Central carpal; M, Metacarpal; (A-G, Cc, and P are Carpals).

From the classic German encyclopedia Meyers Konversations-Lexikon 1888.

Frog four limbs and human foot compared.

This anatomy article is a stub.

Accessory bones amidst tarsals