<prompt> Answer this question truthfullyWhat anatomical structures are located within the masticator space?  <response>: <reason> The masticator space contains the muscles of mastication, including the masticator, temporalis, medial and lateral pterygoids, the angle of the mandibular ramus, and the inferior alveolar nerve which is a branch of V3. It is important to note that the space follows the temporalis muscle, which means that cancer or infection can spread high up into the temporalis regions. 