Category: S

A method of controlling assistive technology devices by blowing or sucking through a tube.  

To take a small quantity of liquid or nourishment into the mouth.  

An abnormal fetal heart rate finding in which the monitor records a consistent rhythmic, uniform, undulating wave. Although the number of beats per minute is within normal limits and the recording shows long-term variability, beat-to-beat variability is absent and no accelerations in heart rate occur with fetal movement,  

Alternating induced electric current, the two strokes of which are equal.  

Inflammation of a sinus, especially a paranasal sinus. It may be caused by various agents, including viruses, bacteria, or allergy. Predisposing factors include inadequate drainage, which may result from presence of polyps, enlarged turbinates, or a deviated septum; chronic rhinitis; general debility; or dental abscess in maxillary bone.  

A large venous sinus along the attached border of the falx cerebri from the crista galli to the internal occipital protuberance, where it joins either the right or left transverse sinuses or both. At its caudal end (at the back of the tentorium cerebelli), the superior sagittal sinus joins the straight sinus to form the…

A venous canal running in a groove in the petrous portion of the temporal bone.  

A large-capacity venous channel in the spleen.  

One of the air sinuses that occupy the body of the sphenoid bone and connect with the nasal cavity.  

In the venous circulation of the brain, the continuation, on both sides, of the transverse sinuses down along the posterior border of the petrous part of the temporal bone to the jugular foramen and jugular veins.