Memory Matching Parasite Identifying CharacteristicsVersión en línea Match the appropriate description of each phyiscal attribute to the correct parasite por Olivia Ortiz Ucinaria stenocephala large; golden brown; operculated; asymmetrical Ancylostoma spp. thin-shelled eggs; contain a miracidium oval-ellipsoid shape, thin walls, contains a morula, larger than Ancylostoma spp. corticated shell, spherical shape, deeply pigmented, larger than T. cati Toxocara canis Nanophyteus salmincola oval-ellipsoid shape, thin walls, contains a morula, smaller than Ucinaria Paragonimus kellicoti Toxocara cati very large; golden brown; thin, smooth walls; operculated; larger than P. kellicoti spherical-ovid shape, decorticated shell, hyaline central portion Platynosomum fastosum corticated shell, spherical shape, pigmented, smaller than T. canis operculated; yellow-brown colored; contains an undifferentiated embryo surrounded by yolk cells Toxascaris leonina small; oval; thick shelled; brown; operculated; contain ciliated miracidium Alaria spp. Heterobilharzia americanum curly shaped, spicule tail and is a motile larvae oval-ellipsoid; thick walls; contains four nuclei inside elongated, flagellated forms called trypomastigotes that circulate in the bloodstream Aelurostrongylus abstrusus browinsh; operculated; contain a fully formed miracidium; very small Fasicola hepatica football shaped, smooth shell, bilateral operculums, symmetrical, umebryonated, yellow/brown color large; operculated; brown; oval; unembryonated single-celled, pear-shaped trophozoite; has flagella barrel shaped, rough shell, bilateral operculums, asymmetrical, lighter in color Trichuris vulpis Eucoleus aerophilus larval tail has a kink and has a blunt, rounded head Trypanosoma cruzi Dicrocoelium dendriticum Eucoleus boehmi Filaroides osleri Tritrichomonas foetus barrel shaped, thick and smooth outer surface, corticated shell, bilateral operculums, asymmetrical, lighter in color Giardia duodenalis ellipsoid shaped, thin shelled, decorticated, rapidly developing larvae Strongyloides stercoralis spherical shaped, deeply pigmented, corticated shell, smaller than Toxocara oval; thick walled; thin shell; smooth Leishmania spp. Eimeria spp. spherical to ellipsoid shape; thin and smooth walled; clear-pale yellow in color Spirocerca lupi thick walls; distinct micropyle; large; brown colored; pear shaped double-layered walls that contain four sporocysts, each with two sporozoites, once sporulated Baylisascaris procyonis Eimeria leuckarti/Eimeria macusaniensis small, thick shell, embryonated, slightly elongated Eimeria zuernii Dioctophyma renale barrel shaped, bipolar operculums, thick and pitted shell, brown/yellow color Cystoisospora spp. small; oval; found intracellularly Pearsonema spp. small, bipolar plugs, asymmetrical, textured walls, clear/yellow color spherical; thin shell; smooth ellipsoidal to sub-spherical; have a thin, smooth shell Cryptosporidium spp. elliptical shape; small; smooth; thick shells; contain a coiled larva Sarcocyst spp. extremely small, sporulated Acanthocheilonema reconditum oval, thin-shelled ovum; contain four or more morula inside Haemonchus contortus Ollulanus tricuspis larvae have a tricuspid tail very small; each ovum contains four sporozoites Toxoplasma gondii blunt cephalic end with a button or hooked curve at the caudel end; body is usually curved Cystoisospora suis Neospora caninum Dirofilaria immitis Physaloptera spp. has both sporulated and unsporulated ova; rarely found in fecal preparations tapered cephalic end with a straight caudal end shape; body is usually straight hard ticks; ornate scutums; short palps; rectangular basis capituli wingless; reddish-brown to black; sucking mouthparts; laterally compressed; jumping legs oval, thin-shelled ovum; contain four or more morula inside Dermacentor variabilis Strongyloides spp. Anoplura spp. hard ticks; inornate scutums; long palps; anal groove; smaller size subglobular or round with a finely pitted shell; large worms Ctenocephalides felis Ixodes scapularis Oesophagostomum spp. Ostertagia ostertagi strongyle-type ova; oval shaped; thin shelled; contain a morula dorsoventrally flattened; wider head than thorax; wingless ova is larger and more easily identified with a visible morula containing 4-8 cells; have tapering ends ellipsoid shaped; thin shelled; contains a rapidly developing larvae dorsoventrally flattened; narrow mouth and head; wingless Mallophaga spp. Toxocara vitulorum Nematodirus spathiger Macracanthorhynchus hirudinaceus Trichuris suis Otobius megnini Argas persicus football shaped; thick, smooth shell; bilateral operculums; symmetrical; unembryonated; larger than T. suis Rhipicephalus annulatus hard tick; inornate scutum; hexagonal capitulum; short palps; larger size soft tick; flattened; oval-shaped hard tick; ornate scutum; long palps; rectangular basis capituli very large; strongyle-type ova; thin shelled; ellipsoidal eggs; contains a morula soft tick; has thousands of small spines along its body Stephanurus dentatus Ascaris suum football shaped; thick, smooth shell; bilateral operculums; symmetrical; unembryonated; smaller than T. ovis oval shape; thick, pitted shell; shell has prominent projections = lumpy/bumpy appearance; golden brown color resemble ascarid ova; oval shaped; thick, dark brown, textured shell Amblyomma americanum hard tick; ight reddish-tan to dark reddish with brown markings Trichuris ovis Haemaphysalis longicornis Sarcoptes scabiei Psoroptes ovis Notoedres cati appears like a sarcoptes mite, but with short legs; flattened dorsal side with blunt spines; a dorsal anus long legs and long unjointed pedicels elongated ova that have thin walls oval shaped body with long legs that extend out from the body with visible suckers on the ends of the pedicels dark, subglobular ova; thick pitted shells Oxyuris equi typical strongyle-type ova; similar to hooks; elliptical shaped; thin walls; many cells inside; cannot differentiate from small strongyles Strongylus spp. Cyathostomes single operculum; smooth; elongated ova; flat side with operculum Parascaris equorum Habronema spp. Otodectes cynotis suckers are present on short segmented pedicels Chorioptes bovis oval mite with eight short legs; flattened, tortoise-like body typical strongyle-type ova; similar to hooks; elliptical shaped; thin walls; many cells inside; cannot differentiate from large strongyles larvae visible within ova; thin-shelled Stomoxys calcitrans Cheyletiella spp. Muellerius capillaris Cimex lectularius Metastrongylus apri Dictyocaulus arnfieldi larval tails have undulating tips and dorsal spines rigid, bayonet-like proboscis used to inflict painful bites long, slender, "cigar-shaped" body; four pairs of short legs located at its front; semi-transparent ova are passed larvated, but appear like ascarid ova with oval shape and thick walls anterior cuticular knob, blunt tail, food granules inside Demodex canis 3-part body and ventral stink glands Dictyocaulus viviparus Melophagus ovinus no cuticular knob, straight tail, food granules inside very large (seen with naked eye); extremely long legs with comb-like structures on the ends; large hooks on mouth Dictyocaulus filaria wingless flies large egg packet that contains multiple ova Diphyllobothrium latum Dipylidium caninum Taenia spp. thick, radially striated shell; each egg contains a hexacanth larva with six hooks, not all of which are visible in every egg; cannot differentiate with Echinococcus Spirometra mansonoides greatly resemble Diphyllobothrium; eggs have pointed ends instead of rounded ones Echinococcus spp. thick, radially striated shell; each egg contains a hexacanth larva with six hooks, not all of which are visible in every egg; cannot differentiate with Taenia ova are operculated; unembryonated; thick shelled; oval shaped Anoplocephala perfoliata visible embryonic hooks; thin walled; oval shaped; contain a hexacanth embryo large, triangular eggs large, square eggs Moniezia benedeni angular; thick-walled; "D" shaped; contains a distinct hexacanth embryo Moniezia expansa Mesocestoides spp. three delicate, enclosing membranes and three pairs of hooks Hymenolepis spp.