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Exam 2
Parasitology- Arthropoda
23
Microbiology
Graduate
03/22/2013

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Cards

Term
Arthropoda characteristics
Definition
Segmented invertebrates
Chitinous exoskeleton
Paired appendages
Term
Arthropoda role in human disease
Definition
ectoparasites feed on blood, vectors
Term
ectoparasites
Definition
lice, mosquitoes, ticks
Term
Myiasis
Definition
larvae of nonbloodsucking flies invading tissues
Term
Arthropoda class insecta
Definition
Bodies divided into 3 distinct regions, 1 pair of antennae, 2 pairs of legs on thorax
Term
Three distinct body region of insecta
Definition
head, thorax, abdomen)
Term
Class insecta
Definition
Flies, mosquitoes, lice, fleas
Term
Blood sucking Lice mouthparts
Definition
adapted for piercing skin
Term
Blood sucking Lice head
Definition
narrower than thorax
Term
Types of Blood sucking Lice
Definition
Pediculus sp. (body louse) and Phthirus pubis (crab louse)
Term
Pediculus sp.
Definition
Transmission of rickettsial diseases (typhus, trench fever)
Term
Phthirus pubis
Definition
Sexual transmission
Itchy bites
Term
Arthropoda class Arachnida
Definition
No head, fused abdomen & thorax
No antennae
4 pairs of legs on body
Term
class arachnida
Definition
ticks and mites
Term
Sarcoptes species
Definition
Itch or mange mite (Scabies)
Obligate human parasite of upper layers of epidermidis
Term
Sarcoptes species diagnosis
Definition
demonstration of mites & eggs in skin scrapings
Term
Types of ticks
Definition
Soft ticks (Family Argasidae) and Hard ticks (Family Ixodidae)
Term
Soft ticks (Family Argasidae)
Definition
Transmission of Borrelia spp (relapsing fever)
Term
Dermacentor
Definition
dog tick, ansmission of RMSP, Q fever, tularemia, babesia, Colorado tick fever
Term
Type of Hard ticks (Family Ixodidae)
Definition
Dermacentor (dog tick) and Ixodes (deer tick)
Term
Ixodes
Definition
deer tick, Transmission of Lyme disease
Term
Tick Identification
Definition
Absence/presence/location of anal groove
Size ratio of mouth parts to basis capituli
Scutum with/without eyes
Festoons absent/present/number
Term
Ixodes ticks identification
Definition
Anal groove has bottom of semi circle facing the head
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