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 World Is Curved central bank lowered the interest rate financial market will return to normal. This is thought to be exaggerated, but the image of the central market than it actually is. When the financial crisis occurred in the past, the present time response of the central bank measures that have worked can not exert more force. Now, aggressive central banks have been more difficult to rely on monetary policy. While the huge capital using the leverage is not a limit. The most recent case revealed the limitations of the central bank was in the early years of the US sub-prime mortgage crisis