1. The zooids themselves are, or course, not preserved as fossils - we only have their vacated homes.

2. Macronucleus twisted band-shaped, longitudinally oriented in zooid.

3. OBJECTIVE:To study the effects of concentrated liquor from male zooid of Antheraea pernyi to the cellular immune function, humoral immune function, and monocyte phagocytic system of mice.

4. One of the distinct individuals that join to form a compound or colonial animal; a zooid.

5. Umbllaria are interconnected to form a single myoneme system that may act as the role of cell skeleton as well as providing the mechanism by which the zooid contracts and relaxes.