cholera infantum
Acute non-contagious intestinal disturbance of infants formerly common
in congested areas with high humidity and temperature.

cholera morbus
Acute gastroenteritis occurring in summer and autumn exhibiting severe
cramps, diarrhea, and vomiting. No longer in scientific use.

chorea
Nervous disorders marked by involuntary, jerky movements, especially of
the arms, legs, and face.

Chrysarobin
Bitter, yellow substance in Goa powder (from the wood of a Brazilian
tree Vataireopsis araroba), and yielding chrysophanic acid; formerly
called chrysphanic acid.

cinchona (Jesuit's bark, Peruvian bark)
Trees and shrubs of the genus Cinchona, native chiefly to the Andes and
cultivated for bark that yields the medicinal alkaloids quinine and
quinidine, which are used to treat malaria. Dried bark of these plants.

Cinnamyl
Hypothetical radical, (C6H5.C2H2)2C, of cinnamic compounds. Formerly,
cinnamule.

clonic
The nature of clonus--contraction and relaxation of muscle.

cocculus