PRELAB STARFISH
EXTERNAL ANATOMY
Aboral Surface
Arms
Central Disc
Sieve Plate
Tube Feet
Skin Gills (Dermal Branchiae)
Pedicellariae
Ambulacral Groove
Ambulacral Spines
Mouth
Oral Surface
Water Vascular System
INTERNAL ANATOMY
Intestine
Digestive Glands
Gonads
Cardiac Stomach
Rectal Pouches
Pyloric Stomach
Stone Canal
Ampulla
Radial Canal
Sieve Plate
Ring Canal
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