Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Masticatory muscle 1-Temporal muscle 2-Masseter 3-Laternal pterygoid m 4-Medial pterygoid m 2 3 /G-Department of ArCopy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Masticatory muscle 1-Temporal muscle 2-Masseter 3-Laternal pterygoid m. 4-Medial pterygoid m. 1 2 3 4 3 4