life is complicated: normal flora pdf

Be Na ia Am Micon 18 Microbiology for GNM NORMAL FLORA The term normal flora is used to describle microorganisms that are found in various body sites in normal healthy individuals. It is further divided into two types.

Pdf Diversity Of The Human Intestinal Microbial Flora

Mainly Lactobacillus and Enterococcus are found in deuodenum.

. Characteristics of Normal Flora Different body sites may have same or different flora depending on local conditions. Normal flora f what is normal flora. Oral and Upper Respiratory Tract Flora.

Beneficial Effects of the Normal Flora. The internal tissues eg. Commensals are the microorganisms which live in complete harmony with the host without causing.

Some pathogenic organisms may establish themselves in a host without manifesting symptoms the host is then referred to as a. Blood brain muscle etc are normally free of microorganisms. Also called Commensals organisms that dine together or Microflora.

The human body which contains about 1013 cells routinely harbors about 1014 bacteria Fig. Normal flora - Gastrointestinal tract GI ecology varies Esophagus saliva food Stomach harsh 102 Small intestine 103-108 Proximal small intestine duodenum and jejunum Distal small intestine ileum Large intestine 109-1011ml 350 species E. Blood brain muscle etc are normally free of microorganisms.

Comprise of those species that are almost always present in high numbers 1. Normal flora of the Respiratory tract 14 Normal flora of the nose Corynebacteria Staphylococci S epidermidis S aureus Streptococci 15 Upper respiratory tract Peptostreptococcus Anaerobic cocci Veilnollella Actillomyces Fusobacterium spp Streptococcus Haemophilus Neisseria spp. Epidermidis Propionibacterium acnes diphtheroids Cl.

K plamiids were consecutively transferred from the Antibiotic resistance lactose-positive normal flora E. Duodenum is adjacent to stomach and hence it is slightly acidic in nature. From duodenum ileum intestine become less acidic and hence number of microorganism increases.

Flora Normalfloraen har beskyttende og andre fysiologiske roller men kan av og til ved redusert forsvar gi sykdom. Sterile mouth within 4-12 hours lactobacilli streptococci Neonate Streptococcus salivarius staphylococci Neisseriae Moraxella catarrhalis Teeth appear Streptococcus mutans Streptococcus parasanguis Gingival crevice area Anaerobic species yeasts. Therefore microorganisms in duodenum is similar to that of stomach.

Some organisms are almost always present in a normal oral cavity and constitute constantnormal microbial flora. Stuff about Normal Flora A fetus is sterile when born No Normal Flora then newborn start having the normal flora from its mother air food and the environment. Normal Bacterial Flora Bacterial Virulence Factors Mechanisms of Pathogenicity Host Defense Mechanisms Selected Bacterial Diseases Review lecture materials on BacteriaHost Intreactions Distruption of Normal Flora Trauma - appendix rupture dental.

Normal flora differ from one human to another depending. The normal flora of humans consists of a few fungi but bacteria are the most numerous and obvious microbial components of the normal flora. Normal flora is usually develops in an orderly sequence shortly after birth leading to the stable populations of normal adult flora.

Normal flora of small intestine. Aureus Candida group A streptococci Pityrosporon Malassezia ovale Nasopharynx Viridans streptococci S. Skin Flora The varied environment of the skin results in locally dense or sparse populations with Gram-positive organisms eg staphylococci micrococci diphtheroids usually predominating.

3 Stuff about Normal Flora. Factors such as age diet hormonal state health and personal hygiene. All human tissue which are directly or indirectly exposed to external surrounding have normal flora.

Local conditions select for those organisms that are suited for growth in a particular area. There are around 1012bacteria in a gram of feces Indigenous Flora by Anatomic Region REGION COMMENSAL FLORA Skin S. Normalfloraen finnes på huden i de øvre luftveiene munnhulen tarmkanalen og kjønnsorganene og består hovedsakelig av bakterie r men også av sopp og protozoer.

Normal flora are microorganisms bacteria fungi protozoa and viruses mostly bacteria that continuously inhabited the human body Resident Normal Flora. The normal flora influences the anatomy physiology susceptibility to pathogens and morbidity of the host. Coli 01 of total population Primarily anaerobic Facultative aerobes deplete oxygen.

The term normal microbial flora denotes the population of microorganisms that inhabit the skin and mucous membranes of healthy normal persons. This bacterial population constitutes the. Normal Flora A diverse microbial flora is associated with the skin and mucous membranes of every human being from shortly after birth until death.

However the surface tissues ie skin and mucous membranes are constantly in contact with environmental organisms and. The normal flora are also called commensals. Normal flora is the term used to describe the various bacteria and fungi that are permanent residents of certain body sites especially the skin oropharynx colon and vagina.

Under normal conditions in a healthy human they are harmless and may even be beneficial. 16 LOWER RESPI RATORY TRACT. They are estimated to outnumber human somatic and germ cells by a factor of 10.

MODULE Normal Flora of Human Body Microbiology 78 Notes 7 NORMAL FLORA OF HUMAN BODY 71 INTRODUCTION In a healthy human the internal tissues eg. The area to be tested not prepared in any way was scraped with a sterile scalpel with a 35 cm. Our internal organs are sterile like the spleen liver pancreas bladder CSF and blood unless during infection.

NORMAL SKIN FLORA 307 tested to find the most satisfactory diluent. Internal organs such as blood kidney heart lungs brain etc. Such tissue in Human includes skin GI tract urinary tract respiratory tract eyes etc.

INTRODUCTION The normal flora can be divided into two groups Resident flora and Transient. Coli to the lactose- Eightyeight children of the 181 studied 186 were neg-ative K12 1R716 and from that to the lactose- found to carry in their normal fecal flora Ecoli resistant positive K12 14Rj25. Normal flora - Oral cavity Ecology and developmental stages Birth.

These and other procedures resulted in the fol-lowing standard technic which was followed in the actual determination of normal skin flora.

Pdf Normal Flora Diversity And Functions

Human Microbiome And Normal Flora Of The Human Body

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