The depressor labii inferioris muscle is a four-sided facial muscle located in the jaw area that draws the lower lip down and to the side. Originating within the lower jaw — at an area called the ...

The depressor supercilii muscle is located near the eye, and it is thought to assist in moving and lowering the eyebrow. Also, it is thought to assist in moving the glabella, which is the skin above ...

In a new study, scientists from the University of Cologne gained new insights into the mechanism of the rhythmic activation of nerve cells (neurons) in stick insects that control the leg muscles ...