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Chapter 19: Lecture 10 (Scabies (S/S (intense itching, rash, pimple like…
Chapter 19: Lecture 10
Parasitic infections of the skin
leishmaniasis is a zoonosis
transmitted from animal to human
S/S
depends on species of pathogen, host, vectors, and immune response
cutaneous
large painless skin lesions
mucocutaneous
skin lesions enlarge to include mucous membranes of mouth, nose, soft palate
visceral macrophages of liver, spleen, bone marrow, lymph nodes
flagellated protozoan
Scabies
caused by arachnid
S/S
intense itching
rash
pimple like irritations
lesions between fingers and genetalia
pathogen and virulence factors
Sarcoptes scabiei
infection to nerve endings as mite burrows
Pathogenesis and Epidemiology
mites live up to one month
itching blisters when female lays eggs