Starfish dissection By: Carol Parker Thanks to: Denise Roper and Lynn Fink.

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Presentation transcript:

Starfish dissection By: Carol Parker Thanks to: Denise Roper and Lynn Fink

Dried Specimens

Common Starfish Class Asteroidea Aboral view

bivium trivium

arms central disc anterior arm

Madreporite

bivium trivium madreporite stone canal

madreporite stone canalperistome

circular canal radial canal peristome

Oral view Mouth Ambulacral Grooves Arms

Spines Tube feet

Preserved Specimens

madreporite anterior arm

central disk bivium

ambulacral grooves mouth

tube feet peristome mouth

intestine anusintestinal caecum pyloric stomach

pyloric caecum pyloric duct pyloric stomach

Pyloric caecum Pyloric stomach

Pyloric stomach

Pyloric caecae

Gonads

Cardiac stomach

cardiac stomach peristome

Cardiac stomach

polian vesicleradial canal circular canal ampull a

tube feet radial canal ampulla

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