Replica. Hand-painted muscle origins in red and insertions in dark blue are all number-coded for identification on the right side of this impressive skull cast from a natural bone specimen. A removable jaw is further complemented by detachable springs, whcih permit natural articulation of the mandible and a sectioned calvaria that detaches to access the neuro-cranium. Includes a key identifying structures. Size: 25.4cm L x 17.8cm W x 17.7cm H.