{"title":"(身体的防御)。","authors":"M. Gerardi, Mel C. Zimmerman","doi":"10.1002/0471710431.CH20","DOIUrl":null,"url":null,"abstract":"The skin and mucous membranes provide first-line barriers to infection The first line of the body's defense system consists of physical and chemical obstacles to the entry of intruders. Skin: a toughened barrier. Secretions: 1. Secretions from sebaceous and sweat glands give the skin a pH of 3 ~ 5. 2. Lysozyme, one of glycosidases presented in tears, saliva, and perspiration, can digest the cell walls of many bacteria. 3. Gastric juice: pH < 2 Mucus coated the epithelium of the respiratory, digestive, and genitourinary tracts can trap microbes and other particles.","PeriodicalId":75843,"journal":{"name":"F.N.I.B.; organe de la Federation nationale des infirmier(e)s belges","volume":"68 5","pages":"10-1"},"PeriodicalIF":0.0000,"publicationDate":"2005-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/0471710431.CH20","citationCount":"2","resultStr":"{\"title\":\"[The body's defenses].\",\"authors\":\"M. Gerardi, Mel C. Zimmerman\",\"doi\":\"10.1002/0471710431.CH20\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The skin and mucous membranes provide first-line barriers to infection The first line of the body's defense system consists of physical and chemical obstacles to the entry of intruders. Skin: a toughened barrier. Secretions: 1. Secretions from sebaceous and sweat glands give the skin a pH of 3 ~ 5. 2. Lysozyme, one of glycosidases presented in tears, saliva, and perspiration, can digest the cell walls of many bacteria. 3. Gastric juice: pH < 2 Mucus coated the epithelium of the respiratory, digestive, and genitourinary tracts can trap microbes and other particles.\",\"PeriodicalId\":75843,\"journal\":{\"name\":\"F.N.I.B.; organe de la Federation nationale des infirmier(e)s belges\",\"volume\":\"68 5\",\"pages\":\"10-1\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2005-01-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1002/0471710431.CH20\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"F.N.I.B.; organe de la Federation nationale des infirmier(e)s belges\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1002/0471710431.CH20\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"F.N.I.B.; organe de la Federation nationale des infirmier(e)s belges","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1002/0471710431.CH20","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The skin and mucous membranes provide first-line barriers to infection The first line of the body's defense system consists of physical and chemical obstacles to the entry of intruders. Skin: a toughened barrier. Secretions: 1. Secretions from sebaceous and sweat glands give the skin a pH of 3 ~ 5. 2. Lysozyme, one of glycosidases presented in tears, saliva, and perspiration, can digest the cell walls of many bacteria. 3. Gastric juice: pH < 2 Mucus coated the epithelium of the respiratory, digestive, and genitourinary tracts can trap microbes and other particles.
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