and anemia, caused by defective absorption of nutrients from the
intestinal tract.

squill (sea onion)
Bulbous Eurasian and African plants of the genus Scilla, having narrow
leaves and bell-shaped blue, white, or pink flowers. The dried inner
scales of the bulbs used as rat poison and formerly as a cardiac
stimulant, expectorant, and diuretic.

stephanotis
Woody climbing plants of the genus Stephanotis, especially S. floribunda
of Madagascar, cultivated for its showy fragrant white flowers.

staphisagria (stavesacre)
Eurasian plant of the genus Delphinium (D. staphisagria). Ripe seeds of
the stavesacre contain delphinine, are violently emetic and carthartic,
and have been used to kill head lice called also staphisagria

steppage
Peculiar gait seen in neuritis of the peroneal nerve and in tabes
dorsalis; high stepping to allow the drooping foot and toes to clear the
ground.

stertorous
Harsh snoring or gasping sound.

stevia
Plant of the genus Stevia or Piqueria, having white or purplish
flowers.

stiletto
Small dagger with a slender, tapering blade. Small, sharp-pointed
instrument used for making eyelet holes in needlework.

stillingia
Genus of widely distributed herbs and shrubs (family Euphorbiaceae). The
dried root of a plant of the genus Stillingia (S. sylvatica) was
formerly used as a diuretic, and laxative.

stomachic
Relating to the stomach; gastric. Beneficial to digestion. An agent that
strengthens the stomach.

strychnine
Extremely poisonous white crystalline alkaloid, C21H22O2N2, derived from
nux vomica and related plants, used to poison rodents and topically in
medicine as a stimulant for the central nervous system.

stupe
Hot, wet, medicated cloth used as a compress.

St. Vitus' Dance
See chorea

stye (hordeolum)
Inflamed swelling of a sebaceous gland at the margin of an eyelid.

suety
Consisting of, or resembling, suet (hard fatty tissues around the
kidneys of cattle and sheep, used in cooking and for making tallow.)

sugar of lead
lead acetate, a poisonous white crystalline compound, Pb(C2H3O2)2.3H2O,
used in hair dyes, waterproofing compounds, and varnishes.

sumbul
Root of a plant of the genus Ferula (F. sumbul); formerly a tonic and
antispasmodic.

Summer complaint (summer diarrhea)
Diarrhea of children that in hot weather; often caused by ingestion of
food contaminated by microorganisms.