BIOL 1120 Lecture Notes - Lecture 14: Anaphylaxis, Allergen, Allergen Immunotherapy
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Three lines of defense: _________________ to invasion [of pathogens, __________ does not provide a favorable environment for microbes. Low ph from sebaceous glands & sweat glands: ___________ of the gut and vagina keep the growth of pathogens in check, ____________________ in the respiratory tract. Mucus entraps bacteria & particles (dust, smoke, pollen, etc. ) Cilia sweep the foreign matter up to the pharynx: ________________ of certain body fluids. Flushing action and low ph of _______ keep pathogens from the urinary tract. ________ contains lysozyme to prevent pathogens from entering the digestive system. __________________________ made in response to damaged tissue, not specific pathogens. 4 main categories: ______________ leukocytes that engulf microbes by phagocytosis. ___________________ (i. e. nk cells: ________________ destroy body cells infected by viruses, _________________, _________ raising the body temperature to kill the pathogen. Ii: ________________ are a set of plasma proteins that enhance nonspecific and specific defenses, about twenty kinds of complement proteins circulate in the blood in inactive form.
