valve breathing
71Porpoise (make of scuba gear) — Porpoise is a tradename for scuba developed by Ted Eldred in Australia and made there from the late 1940 s onwards. It included:A make of diving oxygen rebreatherThis rebreather was developed by Ted Eldred in the late 1940 s and early 1950 s.… …
72Yves le Prieur — Yves Paul Gaston Le Prieur (March 23, 1885 – died 1963) was an officer of the French Navy and an inventor. Contents 1 Adventures in the Far East 1.1 First World War 2 Invention of Scuba 3 …
73Hazmat suit — A hazmat suit is a garment worn as protection from hazardous materials or substances. A Hazmat suit is generally combined with breathing apparatus or protection and may be used by firefighters, emergency personnel responding to toxic spills,… …
74mitral stenosis — Pathol. abnormal narrowing of the mitral valve usually resulting from disease, as rheumatic fever, and obstructing the free flow of blood from the atrium to the ventricle. [1870 75] * * * ▪ pathology narrowing of the mitral valve, the… …
75Nitrous oxide — N2O redirects here. For other uses, see N2O (disambiguation). Laughing gas redirects here. For other uses, see Laughing gas (disambiguation). Not to be confused with nitric oxide (formula NO) or nitrogen dioxide (formula NO2). For other uses, see …
76Mucopolysaccharidosis — MPS I redirects here. For zhuyin or bopomofo, a phonetic system for romanizing Chinese, also known as Mandarin Phonetic Symbols I, see Bopomofo. Mucopolysaccharidosis Classification and external resources ICD 10 E76 ICD 9 …
77Ford Straight-6 engine — Straight 6 Manufacturer Ford Motor Company Production 1941 1996 (US) 1960 present (AUS) 1961 1991 (ARG) …
78diagnosis — /duy euhg noh sis/, n., pl. diagnoses / seez/. 1. Med. a. the process of determining by examination the nature and circumstances of a diseased condition. b. the decision reached from such an examination. Abbr.: Dx 2. Biol. scientific… …
79reptile — reptilelike, adj. reptiloid /rep tl oyd /, adj. /rep til, tuyl/, n. 1. any cold blooded vertebrate of the class Reptilia, comprising the turtles, snakes, lizards, crocodilians, amphisbaenians, tuatara, and various extinct members including the… …
80Tracheotomy — This article is about the surgical procedure called a tracheotomy. For a similar procedure, see Cricothyrotomy. Tracheotomy Intervention Completed tracheotomy: 1 Vocal folds 2 Thyroid cartilage 3 Cricoid cartilage 4 Tracheal rings …
