Category: S

A panic attack that does not subside, but persists for many hours, days, or weeks without remission.  

Continuous or daily unilateral, throbbing, and disabling headaches that do not improve with standard therapies for migraine. The clinical designation for an intense migraine headache that persists for a duration of 72 hours or more.  

The height of the body in a standing position.  

An instrument for measuring the amount of abnormal protrusion of the eye.  

To reactions of the body produced by movement.  

Numerical meaningfulness; the likelihood that the results of a study are accurate, true, and valid.  

Reasoning from combinations of data to arrive at conclusions about what is true, false, likely, or improbable.  

One of the postural reflex responses important to standing and walking. Included are local static reactions acting on individual limbs, segmental static reactions linking the extremities together, and general static reactions to the position of the head in space.  

The ability to maintain a steady position of the head and body in relation to gravity; it is integrated with the equilibrium of movement, or dynamic equilibrium.  

The opposition to the passage of sound through the external auditory canal.