STEEPLECHASE - PARASITES

Question 1

Answer 1

Adult heartworm in dog heart (Dirofilaria immitis)

Question 2

Answer 2

Microfilaria from canine blood of Dirofilaria immitis

Question 3

Answer 3

Culex pipiens pipiens mosquito - vector of Dirofilaria immitis

Question 4

Answer 4

Stegomyia (Aedes albopicta) - vector of Dirofilaria immitis

Question 5

Answer 5

Microfilariae in blood (Dirofilaria immitis)

Question 6

Answer 6

Schistosoma - blood fluke

Question 7

Answer 7

Schistosoma japonicum

Question 8

Answer 8

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

Question 9

Answer 9

Schistosoma - granuloma

Question 10

Answer 10

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

Question 11

Answer 11

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

Question 12

Answer 12

Dictyocaulus viviparus L1 larvae

Question 13

Answer 13

Angiostrongylus vasorum lungworm in canine blood

Question 14

Answer 14

Aelurostrongylus abstrusus L1 larvae

Question 15

Answer 15

Echinococcus scolex

Question 16

Answer 16

Echinococcus

Question 17

Answer 17

Echinococcus eggs

Question 18

Answer 18

Echinococcus

Question 19

Answer 19

Echinococcus on SI

Question 20

Answer 20

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

Question 21

Answer 21

Echinococcus granulosus cyst in liver containing many daughter cysts

Question 22

Answer 22

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

Question 23

Answer 23

Alveolar echinococcosis

Question 24

Answer 24

Trichinella larvae cysts in muscle

Question 25

Answer 25

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

Question 26

Answer 26

Trichinella adult male (1.5 mm long) (MSK)

Question 27

Answer 27

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

Question 28

Answer 28

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

Question 29

Answer 29

Trichinella larvae in carcass (nematode)

Question 30

Answer 30

Taenia - head-end scolexes w/ suckers

Question 31

Answer 31

Taenia

Question 32

Answer 32

Question 33

Answer 33

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

Question 34

Answer 34

Sarcocystis protozoan parasite cysts in cattle cardiac muscle

Question 35

Answer 35

Sarcocystis protozoan parasite - cyst in pig muscle

Question 36

Answer 36

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