Aponeurosis - apo, from: neuron, tendon. (Early GREEK anatomists used neuron indiscriminately for nerves and tendons.)⏎
Callosum - callus, hard.⏎
Azygos - azygos, unyoked (not a pair) named for its asymmetry.⏎
Calvaria - calva, bald.⏎
Costal - costa, rib.⏎