Masseter muscle is partly concealed, anteriorly, by the superficial portion. Posteriorly, it is covered by the parotid gland. Along with the other three muscles of mastication (temporalis, medial pterygoid, and lateral pterygoid), the masseter is innervated by the anterior division of the mandibular division (V3) of the trigeminal nerve. The innervation pathway is: gyrus precentralis > genu capsula interna > nucleus motorius nervi trigemini > nervus trigeminus > nervus mandibularis > musculus masseter. The action of the muscle during bilateral contraction of the entire muscle is to elevate the mandible, raising the lower jaw. Elevation of the mandible occurs during the closing
The Name of the Doctor The Name of the Doctor "The Name of the Doctor" is the thirteenth and final episode of the seventh series of the British science fiction television series "Doctor Who". It was first broadcast on BBC One on 18 May 2013. It was written by Steven Moffat and directed by Saul Metzstein. The episode was watched by 7.45 million viewers in the UK and received positive reviews from critics. In the episode, an entity called the Great Intelligence (Richard E. Grant) kidnaps Victorian-era detectives Madame Vastra (Neve McIntosh) and Jenny Flint (Catrin Stewart) and their butler Strax (Dan Starkey) to force