Unformatted text preview: (muh-du´-suh) The floating, flattened, mouth-down version of the cnidarian body plan. The alternate form is the polyp. Mesohyl (mez'-o-hil) A gelatinous region between the two layers of cells of a sponge. Myriapod (mir'-e-uh-pod') A terrestrial arthropod with many body segments and one or two pairs of legs per segment. Millipedes and centipedes comprise the two classes of living myriapods....
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- Spring '10
- visceral mass, Myriapod, jaw-like feeding appendages