Joining mailing list will entitle you
to receive occasional emails informing you of news and
updates to the site and any special offers that may be
of interest to you.
Excitability and secretory activity in the salivary gland cells of jawed leeches (Hirudinea: Gnathobdellida) -- Marshall and ...
This page states that leeches are among the most highly specialized of the annelids. They are predominantly freshwater organisms, although there are marine and terrestrial forms. Leeches are highly specialized predators that feed on blood.