A vertebra having convexity both in front and behind is
A vertebra having convexity both in front and behind is
A. Acoelous
B. Procoelus
C. Amphicoelous
D. Amphiplatyon.
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Correct Answer - A
Actually acoelous means without a concavity on either of its ends. It can be amphiplatyon with both the ends flat, or amphidicondylar with both the ends convex. Other types of vertebrae (= centra) are procoelous (anterior concavity), opisthocoelous (posterior concavity), amphicoelous (both sides concave) and heterocoelous (saddle shaped or concavoconvex).
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