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Diagrammatic transverse section from the skeleton of a mammalian thorax, showing the chief features of a perfect vertebral segment. 1, neural spine; 2, lamina (neurapophysis); 3, [edicle; 4, neural arch; 5, centrum; 6, inferior spine (hypapophysis); 7, haemal arch; 8, rib (pleurapophysis); 9, costal cartilage (haemapophysis); 10, sternebra; 11, haemal spine.

Diagram of Mammilian Thorax

Diagrammatic transverse section from the skeleton of a mammalian thorax, showing the chief features…