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Starfish Arm Cross Section with Tube Feet Ampullae Radial Canal and Digestive Glands

Starfish Arm Cross Section with Tube Feet Ampullae Radial Canal and Digestive Glands Education Model Realistic StarForge 3D Print STL File

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Cut open to show its inside, this starfish arm cross section reveals the radial canal and paired rows of tube feet descending beneath a vaulted interior. Ampullae and folded digestive glands sit within the curved body wall, which is ringed with plate-like segments at the cut face. The outer surface is covered in studded spines and bumps that mimic real echinoderm skin. It rests flat on its own without a base. A hands-on biology model for marine science lessons, ocean classroom displays and anyone curious about how sea stars move and feed.

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