Falx Cerebri

Overview Falx cerebri (also called cerebral falx) is a large, double-fold of the dura mater that passes through a gap in the midline of the brain. Falx cerebri should not be confused with falx cerebelli, which is a fold that …

Iliocostalis

Overview Iliocostalis is one of the three thin and long muscles of the group called erector spinae (erigere: to erect, spina: spine) which are found parallel with the vertebral column. Erector spinae is the strongest muscle group of the back. …

Medial Pterygoid

Overview Medial pterygoid is a quadrilateral muscle and just like lateral pterygoid, it is also involved in chewing (mastication). It is also called internal pterygoid muscle. However, in contrast to lateral pterygoid, medial pterygoid performs mandibular elevation that results in …

Lateral Pterygoid

Lateral Pterygoid

Overview The lateral pterygoid (also called the external pterygoid) is a deep muscle located in the face. It is part of the muscle group that has a primary role in chewing (mastication). It is short, flat, thick and somewhat conical …