noun: (pathology) Abbreviation of pneumothorax. [(medicine) Presence of air inside the pleural cavity, usually caused by injury either to the lung or the chest wall.]
noun: (biochemistry) Abbreviation of pentraxin. [(biochemistry) Any of a family of proteins characterised by calcium-dependent ligand binding.]
noun: (pharmacology) Abbreviation of paclitaxel. [(pharmacology) A taxane antineoplastic drug C₄₇H₅₁NO₁₄ originally isolated from the bark of the Pacific yew, Taxus brevifolia, but now typically derived as a semisynthetic product of the English yew; it interferes with microtubule function and inhibits cell division, and is used in the treatment of some cancers, especially those of the breast and ovary.]
noun: (toxicology) Abbreviation of pumiliotoxin. [Any of a class of toxins present in the skin of poison dart frogs]
noun: (toxicology) Alternative form of PLTX: Abbreviation of palytoxin.
