[hem″e-me´le-ah] congenital absence of all or part of the distal half of a limb.
hem·i·mel·i·a
(hem'ē-mēl'ē-ă), Congenital partial absence of a part of an extremity; for example, absence of the fibula and presence of the tibia. [hemi- + G. melos, limb, + -ia]