Category: S

Parallelism between the planes of the fetal head and those of the maternal pelvis. A situation characterized by parallel alignment, as when the plane of the pelvis and the fetal head are in line with each other.  

Inclined in the same direction toward a point.  

Syncinesis occurring on the paralyzed side when muscles of the opposite side are voluntarily moved.  

An involuntary movement produced in association with a voluntary one.  

A particle accelerator used in medical imaging that accelerates positively or negatively charged particles.  

The simultaneous occurrence of separate events.  

A mode of communication between parties in which messages and responses are exchanged immediately. An example of synchronous communication is talking by telephone.  

The division of articulating cartilage of a synchondrosis. Surgical cutting of the cartilage connecting two bones, particularly in the symphysis pubis.  

An operation of cutting through the sacroiliac ligaments and closing the arch of the pubes in the congenital absence of the anterior wall of the bladder (exstrophy).  

A rare disorder in which a stimulus applied to one side of the body is felt on both sides.