SELLA Medical Abbreviation

Senility

Originally, old age. The physical decline associated with old age. The mental decline once associated with old age but now known to be due to dementia, as for instance Alzheimer's disease and atherosclerosis.

Senile

Pertaining to old age. Pertaining to the physical decline associated with old age. Pertaining to the mental decline once associated with old age but now known to be due to dementia, such as Alzheimer's disease or cerebral atherosclerosis.

Sejum

Sectiol

Sensitivity

The minimum change in a physical variable to which an instrument can respond. Sensitivity is the maximum magnitude of the input value over which output value is unaffected. A technique that is used to assess the extent to which changes in assumptions or input variables will affect the ranking of alternatives. Ratio of the output signal or response of the instrument to a change of input or measured variable. The minimum input signal required to produce a specified output signal.

Septum

In biology, a septum is a wall, dividing a cavity or structure into smaller ones.

Sedimentation Coefficient

The sedimentation coefficient s of a particle is used to characterize its behaviour in sedimentation processes, notably centrifugation. It is defined as the ratio of a particle's sedimentation velocity to the acceleration that is applied to it (causing the sedimentation).

Semilente

Sensation

Sensation are stages of processing of the senses in human and animal systems, such as vision, auditory, vestibular, and pain senses. Included in this topic is the study of illusions such as motion aftereffect, color constancy, auditory illusions, and depth perception.