Hektoen International

A Journal of Medical Humanities

Tag: The central nervous system of a medicinal leech

  • The central nervous system of the leech

    Leeches are worms of the subspecies Hirudinea that live in oceans, rivers, or on land. They consist of several parts or segments; a front area designated as the head or anterior brain, the middle part consisting of segments each containing a nerve ganglion as well as other organs, and the hind part which has the…