The muscle cell membrane.
Saltatory Conduction
The rapid propagation of impulse from one node of Ranvier to another.
Salt
Compound formed by an interaction between an acid and base.
Sagittal Plane
Sagittal Plane; The Plane that runs from front to back, cutting the body into a right and left part.
Sacral
Sacral is a massage term relating to the sacrum and surrounding area.
Rotation
A movement in which the part is moved along its axis.
Root Canal
Canal that lies within the root portion of the tooth.
Root
The beginning portion of any part; ie root of a tooth.