Host Microorganism interaction Flashcards
SYMBIOTIC RELATIONSHIP WHERE ONE ORGANISM (THE MICROORGANISM) BENEFITS, AND THE OTHER (THE HUMAN) IS NEITHER HARMED NOR BENEFITED
(Entamoeba coli)
COMMENSALISM
A symbiotic relationship where BOTH the Human and the Microorganism benefit
Mutualism
A SYMBIOTIC RELATIONSHIP WHERE ONE ORGANISM (THE MICROORGANISM, OR PARASITE) BENEFITS AT THE EXPENSE OF THE OTHER (THE HUMAN, OR HOST), CAUSING HARM OR DISEASE
PARASITISM
MICROORGANISMS THAT ARE NORMALLY COMMENSAL OR EVEN BENEFICIAL CAN BECOME PATHOGENIC UNDER CERTAIN CIRCUMSTANCES, SUCH AS
OPPORTUNISM
NEITHER ORGANISM BENEFITS, BUT ONE IS HARMED.
AMENSALISM
NEITHER ORGANISM BENEFITS
COMPETITION
ONE ORGANISM BENEFITS WITH NO EFFECT ON THE OTHER (Mimicry)
COMMENSALISM
THE COMMUNITY OF MICROORGANISMS THAT LIVE IN OR ON THE Human Body
MICROBIOTA (MICROBIOME)
THE MICROORGANISMS THAT NORMALLY RESIDE IN OR ON THE HUMAN BODY WITHOUT CAUSING DISEASE
NORMAL FLORA
A MICROORGANISM THAT CAN CAUSE DISEASE
PATHOGEN
THE DEGREE OF PATHOGENICITY OF A MICROORGANISM
VIRULENCE
THE INVASION AND MULTIPLICATION OF PATHOGENIC MICROORGANISMS IN THE BODY
INFECTION
A CONDITION THAT IMPAIRS THE NORMAL FUNCTIONING OF THE BOOY
DISEASE
MAJORITY OF MICROBES IN CONTACT WITH BODY ARE REMOVED OR DESTROYED BY HOSTS DEFENSES LONG BEFORE COLONIZATION
TRANSIENTS
MICROBES THAT BECOME ESTABLISHED-MOST IMPORTANT CHARACTERISTIC: AVOID ATTENTION OF HOSTS DEFENSES
RESIDENT FLORA
DESCRIBES SEVERITY OF DISEASE
VIRULENCE
CAUSE DISEASE WHEN HOSTS DEFENSES ARE COMPROMISED
OPPORTUNISTIC
CAPABLE OF CAUSING DISEASE IN HEALTHY PERSONS WITH NORMAL IMMUNE DEFENSES
TRUE PATHOGEN
PRODUCED BY STREPTOCOCCUS AND STAPHYLOCOCCUS, TOXIC TO WHITE BLOOD CELLS
LEUKOCIDIN PANTON VALENTINE
CLASS OF BACTERIAL EXOTOXIN THAT DISRUPTS THE CELL MEMBRANE OF RBCS.
HEMOLYSIN
INFECTION IN ONE SITE/SPECIFIC TISSUE
LOCAL
INFECTION SPREADS TO SEVERAL SITES AND TISSUE FLUIDS USUALLY IN THE BLOODSTREAM
SYSTEMIC
WHEN INFECTIOUS AGENT BREAKS LOOSE FROM A LOCAL INFECTION AND CARRIED TO OTHER TISSUES:
FOCAL
MICROBE CAN PERIODICALLY BECOME ACTIVE AND PRODUCE RECURRENT DISEASE
Herpersviridae
LATENCY
PERSON WITH LATENT INFECTION WHO SHEDS INFECTIOUS AGENT
CHRONIC CARRIER
LONG TERM/PERMANENT DAMAGE TO TISSUES OF ORGANS
e.g. S. pyogenes AGN & RHF
SEQUELAE
PHYSICAL CONTACT, SUCH AS TOUCHING OR KISSING DROPLET SPREAD, SUCH AS SNEEZING OR COUGHING
DIRECT CONTACT
Sexual Activity
INDIRECT CONTACT, FOOD AND WATER
VEHICLE BORNE
IS MEDIATED BY PILI (N.gono ), ADHESINS (L. Monocytogenes) AND BIOFILMS (S. Epidermidis)
ADHESION
SECRETED PROTEINS WITH SPECIFIC EFFECTS (E.G., BOTULINUM TOXIN)
EXOTOXIN
LIPOPOLYSACCHARIDES IN GRAM NEGATIVE BACTERIA, CAUSING SYSTEMIC EFFECTS LIKE SHOCK
ENDOTOXIN
INDIRECT CONTACT, INSECTS (Arthropods.
VECTOR BORNE
INDIRECT CONTACT, INSECTS (Arthropods.
VECTOR BORNE