Animals Echinodermata
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10 terms
Terms | Definitions |
|---|---|
 pedicellaire | minute pincer-like structures on the outer surfaces of many members of echinodermata |
| hydrolic fluid | the water vascular system of echinoderms is filled with this, which facilitates motion |
| papulae | dermal branchiae or projections of celomic fluid found in echinoderms that allow for respiration |
| ossicle plates | the mesodermal endoskeleton found in echinoderms is covered with these |
| ambulacral grooves | structures in echinoderms that contain the vascular tissue and podia |
| madreporite | a structure in echinoderms that links the water vascular system with the outside |
| stone canal | a structure in echinoderms that is a reinforced canal connecting the madreporite to the ring canal |
| polian vesicle | a structure in echinoderms that is an accessory storage structure |
| radial canal | a structure in echinoderms that runs the length of the arm, is part of the water vascular system |
| lateral canal | a structure in echinoderms that connects the radial canal to the tube feet |
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