Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(A, B) Morphology of adult mouse (M. musculus) and bat (M. schreibersii) limbs. FDI, FDII, FDIII, FDIV and FDV: forelimb digits I, II, III, IV and V; HD: Hindlimb digits; Cal: calcar. (C) Schematic diagram of bat, mouse, human and whale limbs. The various colors indicate bones of various groups Scale bars, 2 cm in (A–B).
