Skin Diseases – Microbiology Lecture STLCC Online
Microbiology Diseases of Body Systems *Skin Diseases of the Skin I. Normal Skin Flora A. Large numbers of Gram+ staphylococci 1. Can withstand drying and high salt 2. Corynebacterium xerosis and Propionibacterium acnes B. Some Gram – 1. Acinetobacter C. Yeast 1. Malassezia furfur a. Yeast responsible for dandruff D. Larger numbers of bacteria […]
Respiratory Diseases – Microbiology STLCC Lecture Online
Diseases of the Respiratory System Microbiology STLCC Lecture Online I. Bacterial Disease Respiratory Tract A. Streptococcal pharyngitis (Strep throat) 1. Steptococcus pyogenes (group A streptococci, GAS) a. Also responsible for skin and soft tissue infections 1) Impetigo, acute bacterial endocarditis b. GAS are resistant to phagocytosis c. Produce streptokinases (dissolve clots which aids in spreading infection) […]
Digestive Diseases – Microbiology Lecture Online
Microbiology STLCC Diseases of Body Systems *Digestive Diseases of Digestive Tract I. Bacterial Diseases of GI Tract A. Dental Caries (Cavities) 1. Bacteria accumulate on teeth surface and hydrolyze sucrose to glucose and fructose 2. Glucose is used to produce “sticky” dextran 3. Dental plaque is bacteria (400 species, 100’s of cells thick) and dextran […]
Mechanisms of Disease – Microbiology Online Lecture
Microbiology Principles of Disease I. Pathology – study of disease A. Etiology – cause of disease B. Pathogenesis – how disease develops C. Infection – invasion of the body by pathogen D. Disease – the structural and functional changes infection causes on the body E. Virulence – degree of pathogenicity F. True pathogen – […]
Antibiotics – Microbiology Online Lecture Notes
Microbiology Antibiotics Online Lecture Notes I. History of Antibiotics A. “Magic Bullet” concept (early 1900’s) 1. Paul Ehrlich proposed the idea of using a drug that would selectively find and kill the pathogen, but not harm human cells (early 1900’s) 2. Basis of antimicrobial chemotherapy (drug therapy) B. Discovery of Penicillin (1928) 1. Alexander […]
Acid-Base Homeostasis – outline notes
Acid-base imbalance will affect all systems including the cardiovascular system (heart) and nervous system. I. Acids and Bases A. Acids – release H+ (proton donors) -Strong acids – completely dissociate in water HCl —-> H+ + Cl- -Weak acids – do not completely dissociate in water H2CO3 <—-> H+ + HCO3- B. Bases – accept […]
Urinary System Anatomy – outline notes
Urinary System Anatomy The urinary system consists of two kidneys, two ureters, one bladder, and one urethra. The kidneys process blood to produce urine. Urine contains water, nitrogenous wastes, foreign substances, excess ions, etc. The urine is carried from the kidneys to the bladder via the ureters. Urine is stored in the bladder until discharged […]