C.

_Cacochymie._ An unhealthy state of the body.

_Caries._ A rottenness of a bone.

_Chyle._ A milky fluid separated from the aliment in the intestines, and conveyed by the absorbents into the blood to supply the waste of the animal body.

_Chronic._ A disease whose progress is slow, in opposition to acute.

_Circulation._ The motion of the blood, which is driven by the heart through the arteries, and returns by the veins.

_Comatose._ Sleepy.

_Conglobate Gland._ A simple gland.

_Conglomerate._ A compound gland.

_Contagion._ Infectious matter.

_Cutis._ The skin.

_Cutaneous._ Of or belonging to the skin.

_Crisis._ A certain period in the progress of a disease, from whence a decided alteration either for the better or the worse takes place.

_Critical._ Decisive or important.

_Critical Days._ The fourth, fifth, seventh, ninth, eleventh, thirteenth, fourteenth, seventeenth, and twenty-first, are by some authors denominated critical days, because febrile complaints have been observed to take a decisive change at these periods.