Century Dictionary and Cyclopedia
- n. The defensive zooid of certain hydroid hydrozoans, as of Podocoryne, a tubularian polyp: so called as coiling or curling spirally when not in action. These zooids are long slender filaments always provided with cnidæ or lasso-cells for nettling, and are sometimes called
spiralozooids. Compare dactylozooidand machopolyp.
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