The eggs from the parasites achieve the duodenum with the mouth from the host. This enzymatic juices undo the covering releasing the larva. These larvae (that have great mobility) penetrate the duodenal mucosa Detoxic Review, visiting the liver.
Later they continue their migration towards the heart, reaching the lung area with the lung circulation, until they achieve the lung capillaries, where they’re trapped. There, the larvae break the capillary endothelium and penetrate the alveoli Detoxic Review, climbing through bronchioles and bronchi towards the pharynx.
When the epiglottis is entered, the larvae are ingested, coming back again towards the duodenum, where they finish their maturation process.