1 — Head of mandible; Articular surface; 2 — Articular disc; 3 — Lateral pterygoid, upper head; superior head; 4 — Temporalis; Temporal muscle; 5 — Lateral pterygoid, lower head; inferior head; 6 — Masseter, deep part; 7 — Masseter, superficial part; 8 — Medial pterygoid