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8 Cards in this Set

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What is the process by which maggots obtain their nutrients?

They derive nutrients through a process known as "extracorporeal digestion" by secreting a broad spectrum of proteolytic enzymes that liquefy necrotic tissue, and absorb the semi-liquid result within a few days.

What are some important secretions from maggots?

Secretions from maggots believed to have broad-spectrum antimicrobial activity include allantoin, urea, phenylacetic acid, phenylacetaldehyde, calcium carbonate, proteolytic enzymes, and many others.

What are some pathogenic bacteria that maggots inhibit and destroy?

methicillin-resistant Staphylococcus aureus (MRSA), group A and B streptococci, and Gram-positive aerobic and anaerobic strains.

What are some bacteria that maggots cannot damage?

Other bacteria like Pseudomonas aeruginosa, E.coli or Proteus spp. are not attacked by maggots, and in case of Pseudomonas even the maggots are in danger.

The infestation by maggots of live animals is called "........"

myiasis

What do you know about the flies used in maggot therapy?

The flies used most often for the purpose of maggot therapy are blow flies of the Calliphoridae: the blow fly species used most commonly is Lucilia sericata, the common green bottle fly. Another important species, Protophormia terraenovae, is also notable for its feeding secretions, which combat infection by Streptococcus pyogenes and S. pneumoniae.

What are the types of gangrene?

The types of gangrene differ in symptoms, and include dry gangrene, wet gangrene, gas gangrene, internal gangrene, and necrotizing fasciitis.

What is ischemia?

Inadequate blood flow