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Biology LibreTexts


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  • Ascaris Dissection

    1. Obtain a female Ascaris and place it on a dissecting pan. The posterior end is curved in males and straight in females.

    2. Make a shallow longitudinal cut the length of the worm and pin it open as illustrated below.

    3. Identify the gut, ovary, oviduct, uterus, and vagina.


    View a prepared slide of Trichinella in the muscle tissue of a host organism.

    Trichinella spiralis encysted
    in muscle tissue of a host
    X 40