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*Infection occurs when the earthworm is eaten.
*Infection occurs when the earthworm is eaten.
*Larvae migrate via the mesenteric lymph nodes to the lungs.
*Larvae migrate via the mesenteric lymph nodes to the lungs.
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+*Found in [[Bronchi and Bronchioles Inflammatory - Pathology#Infectious causes of bronchitis or bronchiolitis|bronchioles and smaller bronchi]]
+*Grossly:
+**Small grey nodules, especially along ventral border of caudal lobes
+**Adult worms in bronchi and bronchioles
+*Histologically:
+**Catarrhal and eosinophilic bronchitis and bronchiolitis
+**Possibly [[Lungs Ventilation - Pathology#Atelectasis (Collapse)|atelectasis]]
+*Rarely becomes extensive
+*May transmit [[Respiratory Viral Infections - Pathology#Swine influenza|swine influenza]]
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[[Category:Metastrongyloidea]][[Category:Pig_Nematodes]]
[[Category:Metastrongyloidea]][[Category:Pig_Nematodes]]
[[Category:To_Do_-_Parasites]]
[[Category:To_Do_-_Parasites]]