Trichinella spiralis Female, w.m. Microscope Slide

Trichinella spiralis the pork worm this is a small nematode that occurs in rodents pigs horses bears and humans this parasite is ovoviviparous ovoviviparous means that the eggs are fertilized inside of the female this allows her to retain the eggs until they hatch within her body giving birth to live larvae here's a diagram of the lifecycle of the pork worm an infected pig is eaten by humans this allows the nematode to arrive in the intestines where the adults will reproduce the female will give birth to live young the larva which will migrate and insist in various muscle tissues in the cysts they will feed and mature these cysts are called nurse cells and after they've matured the adults will leave the nurse cells and reproduce in the intestine symptoms of a trichinosis infection within 12 hours you can start experiencing nausea vomiting sweating and diarrhea within 5 to 7 days you sho