STEEPLECHASE - PARASITES Flashcards

Adult heartworm in dog heart (Dirofilaria immitis)

Microfilaria from canine blood of Dirofilaria immitis

Culex pipiens pipiens mosquito - vector of Dirofilaria immitis

Stegomyia (Aedes albopicta) - vector of Dirofilaria immitis

Microfilariae in blood (Dirofilaria immitis)

Schistosoma - blood fluke

Schistosoma japonicum


Schistosomes in tissues - leads to granuloma - around eggs, calcification and fibrosis

Schistosoma - granuloma

Cow with husk - severely affected by lungworm, may be reluctant to move, hold their head down, neck extended

Dictyocaulus viviparus larvae on stalks of fungi onto/into seed capsule (black dots) of Pilobolus fungi

Dictyocaulus viviparus L1 larvae

Angiostrongylus vasorum lungworm in canine blood

Aelurostrongylus abstrusus L1 larvae

Echinococcus scolex

Echinococcus


Echinococcus eggs

Echinococcus

Echinococcus on SI

Hydatid disease/cystic echinococcosis (Echinococcus granulosus disease) - cysts

Echinococcus granulosus cyst in liver containing many daughter cysts

Protoscoleces (in definitive host, develop into adults) in drained cyst fluid (Echinococcus granulosus)

Alveolar echinococcosis

Trichinella larvae cysts in muscle

Trichinella adult female (3 mm long), (MSK)

Trichinella adult male (1.5 mm long) (MSK)

Trichinella larvae (up to 1 mm long) (MSK)

Trichinella larvae cysts in muscle (~400 micrometres wide) (MSK)

Trichinella larvae in carcass (nematode)

Taenia - head-end scolexes w/ suckers

Taenia



Cysts in muscles, sub-cutaneous tissue and brain (neurocysticercosis) due to Taenia solium juveniles

Sarcocystis protozoan parasite cysts in cattle cardiac muscle

Sarcocystis protozoan parasite - cyst in pig muscle

Sporulated oocyst of Sarcocystis in unstained wet mounts (protozoan parasite)