Archaebacteria Diatom Dead Sea salt pillar Protozoa Virus Paramecium HIV 1 Why study microbiology? W e have trillions of living microbes in our bodies – indigenous or normal microflora 3% known microbes are disease-causing (pathogens) Essential for life on planet e.g oxygen production‚ nutrients recycling‚ food chain‚ Industrial use e.g. bioremediation (decompose industrial waste)‚ genetic engineering (gene transfer)‚ food & beverage (bread‚ butter‚ cheese‚ beer‚ wine)
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A) the structures of the lymphatic system: Within the lymphatic system‚ there are many organs that form the structure of the whole lymphatic system within the body‚ and these organs are also structured depending on what their function is. For example‚ an organ which is present within the lymphatic system is the lymph nodes. These lymph nodes are considered to be shaped similar to that of an oval and is roughly 1-2cm in size. Within the lymph nodes‚ there is a reticular network‚ which is able to
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is an outdated disease‚ due to the many ways we now have to combat the pathogen‚ but every year almost 400‚000 people die due to infection with Bordetella pertussis (1‚ 41). Bordetella pertussis is a gram-negative coccobacillus bacterium‚ which causes whooping cough in humans (1‚ 41). The bacterium is spread by air borne particles or mucus droplets and is highly contagious. Although there is no known reservoir for the pathogen humans can often be asymptomatic‚ due to vaccination or immunity‚ and
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FOOD QUALITY Quality * Relates to excellent product or services that fulfills or exceeds our expectations Food Quality * Includes all attributes that influence product’s value to the consumers. This includes‚ Negative attributes (e.g.spoilage‚ contamination with filth‚ discoloration‚ off odors & flavors; Positive attributes (e.g. origin‚ color‚ flavor‚ texture and processing method used -Food Quality is a term which may refer to several things: ♣ the extent to which food contains
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1. Pathogen. For an infection to occur‚ a microbe capable of causing disease must be present. 2. Reservoir. Reservoir is a French word that means “storehouse.” Here‚ we are using it to mean a place where microbes can grow and multiply. Possible reservoirs for microbes include the bodies of people and animals‚ bodies of water‚ and food. 3. Portal of exit. Portal comes from the Latin word for “gate.” For an infection to occur‚ the microbe must have a way of leaving the reservoir‚ or a portal of exit
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commercial because it was filled with constant infant coughs‚ but many don’t know the cause of pertussis‚ or whooping cough. Whooping cough is caused by the bacterium Bordetella pertussis (“Causes and Transmission”‚ 2015). Bordetella pertussis is a pathogen that belongs to the domain bacteria. The species name‚ Bordetella pertussis‚
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malaria and chicken pox. Symptoms of systemic infections include; fever‚ chills‚ weakness and aching joints. The chain of infection begins with a pathogen. The pathogen needs the right environment to enable them to grow. They need a route of transmission and a portal of entry. They then begin to multiply and make the host feel ill‚ then some of the pathogens will now exit the body and the chain begins again. Infections are caused by microbes which are found everywhere such as dust‚ homes‚ animals
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How Are Infections Spread? Alicia Todd University of Mobile How Are Infections Spread? According to Lynch‚ Elmore and Morgan (2012)‚ millions of people die each year from infectious diseases such as influenza‚ malaria‚ tuberculosis‚ and acquired immunodeficiency syndrome (p. 245). Everything we eat‚ breathe‚ or touch throughout the day puts us at risk for developing an infection. Knowing how infections are spread will decrease these risks and is crucial for overall health. No matter how hard one
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system is made up of different cells and mechanisms that are used to defend your body against agents that cause disease called pathogens. The immune system can be divided into two sections: the innate immune system and the adaptive immune system. The innate immune system provides a defense that is active immediately upon infection and is the same whether or not the pathogen has been encountered previously. It may include barriers that protect your body such as skin and mucous membranes‚ phagocytic
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particular disease. Communicable diseases that can be passed on from one individual to another are known as infections. An infection is a “pathological state resulting from the invasion of the body by pathogenic microorganisms” (Miller 1)‚ where a pathogen is a microorganism that causes a
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