A vertebra of the loins; a, a, their bodies, larger and more spongy than those of the others; b,b,b, the superior; c,c,c the inferior articular processes, strong and deep, the superior concave; the inferior convex; d,d,d, the transverse processes, small and long, serving as levers for the attachment of muscles; e,e, the spinous processes, strong, horizontal, and flattened at the sides; f, the spinal foramen.

Vertebra of the Loins

A vertebra of the loins; a, a, their bodies, larger and more spongy than those of the others; b,b,b,…