Ascaris Dissection
Procedure
- Obtain a female Ascaris and place it on a dissecting pan. The posterior end is curved in males and straight in females.
- Make a shallow longitudinal cut the length of the worm and pin it open as illustrated below.
- Identify the gut, ovary, oviduct, uterus, and vagina.
Trichinella
View a prepared slide of Trichinella in the muscle tissue of a host organism.

Figure 1. Trichinella spiralis encysted in muscle tissue of a host X 40
Candela Citations
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- Roundworms, Biology 102. Authored by: Michael J. Gregory, Ph.D.. Provided by: LibreTexts. Located at: http://bio.libretexts.org/Under_Construction/BioStuff/BIO_102/Laboratory_Exercises/Roundworms. Project: The Biology Web. License: CC BY-NC-SA: Attribution-NonCommercial-ShareAlike