Intercostales
In a case of thirteen ribs (one being lumbar) an extra levator costae muscle is present.
Reference
Huber, C.G., Ed. (1930) Piersol's Human Anatomy, 9th ed. L.B. Lippincott Company, Philadelphia.
In a case of thirteen ribs (one being lumbar) an extra levator costae muscle is present.
Huber, C.G., Ed. (1930) Piersol's Human Anatomy, 9th ed. L.B. Lippincott Company, Philadelphia.