"Pelvis of Apteryx austrlis. Lateral view. a, Acetabulum; il, ilium; is, ischium; p, pectineal process…
The pelvis of a bird. Labels: a, superior; b, lateral aspect; sm, sacrum; Il, ilium; Is, ischium; Am,…
"Columba livia. Left innominate of a nestling. The cartilage is dotted. ac, acetabulum; a. tr, anti-trochanter;…