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This is a diagram of a trunk vertebra in a mammal. c, centrum; ch., position originally occupied by the notochord; h., head of the rib; h.c., haemal cavity; n.a., neural arch; n.c., neural canal; n.s., neural spine; r., rib; st., sternum; s.c., sternal cartilage uniting ribs and sternum; t.p., transverse process of vertebra; tu., tuberole of rib.

Mammal Vertebrae

This is a diagram of a trunk vertebra in a mammal. c, centrum; ch., position originally occupied by…