The upper head originates on the infratemporal surface of the sphenoid bone, and the lower head on the lateral surface of the lateral pterygoid plate; both insert onto the pterygoid fovea under the condyloid process of the mandible.
Both heads insert onto the pterygoid fovea under the condyloid process of the mandible. The upper head originates on the infratemporal surface of the sphenoid bone, and the lower head on the lateral surface of the lateral pterygoid plate.
The upper head originates on the infratemporal surface of the sphenoid bone, and the lower head on the lateral surface of the lateral pterygoid plate. Both heads insert onto the pterygoid fovea under the condyloid process of the mandible.
The upper head originates on the infratemporal surface of the sphenoid bone, and the lower head on the lateral surface of the lateral pterygoid plate. Both heads insert onto the pterygoid fovea under the condyloid process of the mandible.