Sedentary (sed’en-ta-re).  Sitting habitually; of inactive habits.

Seminal (sem’in-al).  Pertaining to seed or semen.

Serum (se’rum).  The clear portion of any animal liquid separated from its
                more solid elements; especially the clear liquid which
                separates in the clotting of blood from the clot and the
                corpuscles.

Serous (si’rus).  Pertaining to or resembling serum.

Semiflexion (sem-e-flek’shun).  The position of a limb midway between
                               bending and extension.

Senile (se’nil).  Of or pertaining to old age.

Septic (sep’tik).  Produced by or due to putrefaction.

Sialagogues (si-al’-ag-og).  An agent that produces a flow of saliva.

Sinapism (sin’ap-izm).  A mustard plaster.

Sinew (sin’yu).  The tendon of a muscle.

Slough (sluf).  A mass of dead tissue in or cast out from living tissue.

Sewerage (su’er-ej).  Drainage.

Solution (so’lu’shun).  A liquid containing dissolved matter.

Solvent (sol’vent).  Capable of dissolving.

Sordes (sor’dez).  The dark brown foul matter which collects on the lips
                  and teeth in low fevers (typhoid, etc.).

Spasm (spazm).  A sudden, violent, involuntary rigid contraction due to
               muscular contraction.

Speculum (spek’u-Ium).  An instrument for dilating the opening of a passage
                       or cavity of the body to view the interior.

Specific (spe-sif ’ik).  A remedy especially indicated for any particular
                        disease.

Sphincter (sfingk’ter).  A ring-like muscle which closes a natural orifice.

Spinal Cord (spi’nal).  The cord-like structure contained in the spinal
                       canal.

Spleen (spleen).  One of the so-called ductless glands.

Sporadic (spo-rad’ik).  Occurring here and there, scattered.

Squamous (skwa’-mus).  Scaly or plate-like.

Stertorous (ster’torus).  Snoring. breathing.

Sternum (ster’num).  Breast bone.

Stertor (ster’tor).  Snoring or sonorous breathing, especially that of
                    sleep or of coma.

Stethoscope (steth’o-skop).  An instrument for ascertaining the condition
                            of the organs of circulation and respiration.

Stimulant (stim’u-lant).  Producing stimulation.  Increasing the heart’s
                         action.

Stool (stool).  The fecal discharge from the bowel.

Stomachic (stom’ak-ik).  Pertaining to the stomach.

Strangury (stran-ju-re).  Slow and painful discharge of the urine.

Stricture (strik-tur).  Abnormal narrowing of a canal, duct or passage.

Strumous (stru’mus).  Scrofulous.