Helminths

Front 1

definitive host

Back 1

harbors adult (sexual) stage of the parasite

Front 2

intermediate host

Back 2

harbors larval (asexual) stage of the parasite

Front 3

reservoir

Back 3

location or animal (definitive) host that serves to maintain the parasites life cycle

Front 4

paratenic host

Back 4

a transport host for which further development of the parasite does not occur

Front 5

helminths with autoinfection

Back 5

strongyloides stercoralis and Hymenolopis nana

Front 6

rhabditiform

Back 6

non-infective larvae form

Front 7

geohelminth

Back 7

an essential part of the parasites life cycle occurs in the soil

Front 8

all intestinal nematodes are geohelmnits except

Back 8

enterobius vermicularis

Front 9

Loffler's Syndrome

Back 9

pulmonary phase of Ascaris lumbricoides

Front 10

larva currens

Back 10

itchy intermittent (hours) rash and eosinophilia caused by strongyloides stercoralis

Front 11

filariae adult dwellings

Back 11

lymphatics or tissue

Front 12

microfilariae dwellings

Back 12

blood, skin (onchocerca volvulus and Mansonella streptocerca), eyes

Front 13

microfilariae

Back 13

the larval stage of filarae; they often exhibit periodicity with the vectors feeding habits

Front 14

onchocerca volvulus Tx

Back 14

ivermectin kills microfilarae only, adults must be surgically removed

Front 15

tropical pulmonary eosinophilia

Back 15

most severe form of filariasis; a hypersensitivity rxn to filarae; nocturnal wheezing

Front 16

subcutaneous nodule location onchocerca volvulus latin america

Back 16

scalp

Front 17

subcutaneous nodule location onchocerca volvulus africa

Back 17

iliac crest

Front 18

visceral larvae migrans

Back 18

toxocariasis (dog and cat ascarids confused about where to migrate)

Front 19

ocular larvae migrans

Back 19

toxocariasis (dog and cat ascarids confused about where to migrate)

Front 20

cutaneous larvae migrans

Back 20

anacyclostoma braziliense (dog and cat hookworms); remain at location of infection on feet "creeping eruption"

Front 21

anisakiasis

Back 21

humans incidental host; fish paratenic; sea mammals definitive

Front 22

trematode morphology

Back 22

leaf shaped; anterior and ventral suckers; most hermaphrodite but schistosomes have sexes

Front 23

miracidium

Back 23

first form of schistosome after hatching from egg; it travels to the snail

Front 24

sporocyst

Back 24

develops in snail after infection by the miracidium

Front 25

cercaria

Back 25

form of schistosome that leaves smail and directly invades human skin

Front 26

schistosomula

Back 26

first form of schistosome that develops in humans before becoming adult

Front 27

metacerariae

Back 27

form of cysts formed by trematodes other than schistosomes (intestinal, liver, lung flukes) that encyst plants or animals as a 2nd intermediate host

Front 28

flukes tx

Back 28

praziquantel

Front 29

cercarial dermatitis

Back 29

swimmer's itch: caused by schistosomes for which humans are an incidental host (they do not move beyond skin)

Front 30

Katayama fever

Back 30

acute schistosomiasis

Front 31

Symmer's pipestem fibrosis

Back 31

periportal fibrosis that occurs with schistosome eggs

Front 32

strobila

Back 32

body emerging from neck of tapeworm

Front 33

sparaganum

Back 33

diphyllobothrium latum larvae in fish muscle

Front 34

Dx stage of Diphyllobothrium latum and Hymenolepis nana

Back 34

eggs

Front 35

protozoan that causes eosinophilia

Back 35

Isospora belli

Front 36

migratory pneumonitis

Back 36

infrequent finding with Strongyloides stercoralis

Front 37

splinter hemorrhages are associated with

Back 37

Trichinella spiralis

Front 38

gynecophoral canal

Back 38

where long thin female schistosome resides

Front 39

Schistosoma mansomi

Back 39

lateral appendage (stool); south america, africa

Front 40

Schistosoma haematobium

Back 40

terminal appendage (ruine); africa

Front 41

Schistosoma japonicum

Back 41

small, round eggs (stool); japan

Front 42

geographic location and organs affected by Wuchereria bancrofti

Back 42

sub-saharan Africa and a little of carribean; orchitis in men and lymphadenopathy

Front 43

geographic location and organs affected by Brugia malayi

Back 43

southern and eastern asia; extremities more often/genitals less often than bancroftian filariasis

Front 44

cysticercosis

Back 44

when humans serve as intermediate host for T. solium by eating eggs

Front 45

cysticeri

Back 45

worms that people eat in pork making them definitive host for T. solium

Front 46

cysticercosis treatment

Back 46

albendazole (first choice) or Praziquantel

Front 47

tapeworm tx

Back 47

niclosamide or praziquantel (theoretic sudden realease of multiple eggs with risk of autoinfection)

Front 48

redia

Back 48

daughter sporocyst in snail

Front 49

cyst

Back 49

of echinococcus; unilocular with gerninal membrane and surrounding ectocyst

Front 50

brood capsules

Back 50

bud from germinal layer produce many protoscoleces

Front 51

prooscoleces

Back 51

can produce a secondary hydatid cyst in intermediate host or adult in definitive host

Front 52

cystic hydatid diesease

Back 52

Echinococcus granulosus

Front 53

alveolar hydatid disease

Back 53

Echinococcus multilocularis