pyorrhea. A discharge of pus.
pyorrhea alveolaris. Rigg’s disease; suppurative inflammation of the periosteum lining the teeth in their sockets.
Q
q.h. Every hour, used in prescription writing.
q.s. Sufficient quantity, used in prescription writing.
quinine. An alkaloid of cinchona.
quinine and urea hydrochlorate. Used as a local anesthetic.
R
rachitic. Pertaining to rickets.
rationale. Fundamental reason.