REGIMEN, Diet; the rational and methodical use of food.

RENAL, Relating to the kidneys.

RESPIRATION, The function of breathing, by which is accomplished the mixture of venous  blood with lymph and chyle.

REVELLENT, Derivative; a remedy causing an abstraction from the morbid condition of some  organ or tissue.

REVULSION, The act of turning a disease from a part in which it seems to have taken its seat.

SAC, A bag-like cavity, formed by any serous membrane.

SACCULATED, Enclosed in a sac; having the character of a sac.

SALIVARY, Relating to the saliva; glands whose function it is to secrete saliva.

SANGUINEOUS, Plethoric; relating to the blood.

SCORBUTIC, Relating to, or having the character of scurvy.

SCYBALA, Hard faecal matter, discharged in round lumps.

SEBACEOUS, Small hollow organs seated in the substance of the skin, and which secrete a  matter having a peculiar odor.

SECRETION, An organic function, chiefly confined to the glands; also the matter secreted.

SEPTUM, Particion; a part separating two cavities.

SERUM, The most watery portion of the animal fluids, exhaled by serous membranes.

SINAPISM, A mustard plaster.

SINUS, Any cavity, the interior of which is more expanded than the entrance.

SORDES, The black substance collecting on the teeth in low fevers.

SPASMODIC, Having the character of a spasm.

SPLENETIC, Relating or belonging to the spleen.

SPUTA, Expectorated matter.

SQUAMOUS, Scaly; having the character of scales.


STERTOROUS, Of a snoring character.

STRANGURY, Extreme difficulty in evacuating the urine.

STRUMOUS, Scrofulous.

STYPTIC, Astringent; a medicine which stanches the flow of blood.

SUBLUXATION, A sprain; a partial dislocation.

SUDORIFIC, A medicine which provokes sweating.

SUPPURATION, Formation or secretion of pus.

SYNCOPE, Fainting; loss of sensation and motion.

SYNOVIAL, Relating to the membranes lining the joints.