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13 Cards in this Set
- Front
- Back
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Sessile |
Attached |
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Pinacocytes |
Outer covering |
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Archaeocytes |
Digestion, secretions of skeletal elements and formation of eggs |
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Choanocytes |
Flagellated, create water current |
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Porocytes |
Allows water to pass through the body wall |
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Asconoid |
Simplest, vase like structure with unfolded outer body wall, small and fairly uncommon |
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Syconoid |
Bass like in shape, butter outer body wall is folded, numerous envaginations to increase the ratio of surface area to volume |
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Leuconoid |
Folding of the body wall, extremely complex, all large sponges are leuconoids, vast majority of all sponges |
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Osculum |
Round opening at the top of the sponge |
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Water flow in the syconoid sponge |
Incurrent canal, Radial canal, spongocoel, to exterior |
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Hypostome |
Cone shaped |
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Cnidocytes |
Bearing the stinging structures called nematocysts |
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Nematocysts |
Stinging structures |
