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81vagina — /veuh juy neuh/, n., pl. vaginas, vaginae / nee/. 1. Anat., Zool. a. the passage leading from the uterus to the vulva in certain female mammals. Cf. oviduct. b. a sheathlike part or organ. 2. Bot. the sheath formed by the basal part of certain… …
82ear, human — ▪ anatomy Introduction organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium). The human ear, like …
83Heart — This article is about the organ in various animals. For the human heart, see Human heart. For other uses, see Heart (disambiguation). Cardiac redirects here. For the cardboard computer, see CARDboard Illustrative Aid to Computation …
84infectious disease — Introduction in medicine, a process caused by a microorganism that impairs a person s health. An infection, by contrast, is the invasion of and replication in the body by any of various microbial agents including bacteria, viruses (virus),… …
85Bubblegum Alley — is a local tourist landmark in downtown San Luis Obispo, California known for its accumulation of used bubble gum on the walls of an alley.cite web |url= http://www.locallinks.com/bubblegum alley.htm |title= Local Links BubbleGum Alley… …
86Architecture and Civil Engineering — ▪ 2009 Introduction Architecture For Notable Civil Engineering Projects in work or completed in 2008, see Table (Notable Civil Engineering Projects (in work or completed, 2008)). Beijing was the centre of the world of architecture… …
87childhood disease and disorder — Introduction any illness, impairment, or abnormal condition that affects primarily infants and children i.e., those in the age span that begins with the fetus and extends through adolescence. Childhood is a period typified by change,… …
88respiration — respirational, adj. /res peuh ray sheuhn/, n. 1. the act of respiring; inhalation and exhalation of air; breathing. 2. Biol. a. the sum total of the physical and chemical processes in an organism by which oxygen is conveyed to tissues and cells,… …
89Body cavity — Picture of Human body cavities dorsal body cavity to the left and ventral body cavity to the right. By the broadest definition, a body cavity is any fluid filled space in a multicellular organism. However, the term usually refers to the space… …
90Chicago Tunnel Company — Under the streets of Chicago, pre 1906. Locale Illinois Dates of operation 1906–1959 T …
