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
What Is the Fastest Thing in the World? of which was good and some bad. The king set riddles to them: whoever guessed the riddles would get good land. The first riddle was what was the fastest thing in the world. The stupid brother's daughter told him what to say; his brother guessed a bird or a horse, and the stupid brother said the mind. The second riddle was what was the heaviest thing in the world; the clever brother guessed stone or iron, and the stupid brother repeated his daughter's answer: fire because no one could lift it. The third was what was the most important thing