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Porifera
| definition | term |
|---|---|
| Sedentary, aquatic, marine animal with no symmetry or tissue phylum that includes sponges | porifera |
| Three types of sponge bodies | ascon, sycon, leucon |
| simplest body of porifera | ascon |
| porifera body with apopyles and incurrent canals but no choanocyte chambers | sycon |
| porifera body with choanocyte chambers | leucon |
| entry point of water into porifera | ostium |
| exit point of water out of porifera | osculum |
| storage area for used water in sycon and ascon porifera | spongeocoel |
| cell that uses flagella to propel water through sponge and traps nutrients | choanocyte |
| canal to move water from ostium into cell | incurrent canal |
| canal to move water into spongeocoel | radial canal |
| part of sponge that leads from radial canal to spongeocoel | apopyle |
| chamber for leucon sponges to move water to osculum | excurrent canal |
| chamber in leucon sponges to trap nutrients | choanocyte chamber |