"Development of notochord : msl, mesoblastic skeletogenous layer ; pdc, paired dorsal cartilage; pvc, paired ventral cartilage; ns, neautral spine; na, neutral arch; tp, transverse process; articular process; c, centrum."—Finley, 1917

Development of the notochord

"Development of notochord : msl, mesoblastic skeletogenous layer ; pdc, paired dorsal cartilage; pvc,…