-pexy, -pexia, -pexes, -pexic, -pexis, -pex +
(Greek: a suffix; fixing [of a specified part]; attaching to, a fastening)
Used in medical nomenclature to denote "a surgical fixation" of that which is specified by the combining root.
Tetany refers to the hyperexcitability of nerves and muscles resulting from a decrease in the concentration of extracellular ionised calcium.
This may be associated with such conditions as parathyroid hypofunction, vitamin D deficiency, and alkalosis; or it may result from ingestion of alkaline salts.
It is characterized by carpopedal spasm (spasms or synchronous contractions of the neck, hands, and feet), muscular twitching and cramps, laryngospasm (spasm of the vocal cords and epiglottis) with inspiratory stridor (harsh sound heard during inhalation caused by air passing through a constricted passage), hyperreflexia (exaggerated reflexes), and choreiform (loss of neuronal functioning) movements.
2. Lateral fixation of one or both vocal cords to correct glottic stenosis (the narrowing of the vocal cords and the opening between them).