The Starfish Dissection Tutorial



OBJECTIVES


To be able to locate and identify the internal and external organs, and to be able to understand the dissection process and what materials should be used.


MATERIALS

Preserved Starfish
Dissection Pan
Scalpel
Scissors
Probes


Method Used

Click on this image to download a QuickTime movie for the section


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


Please look through these interesting guidelines to help you learn more on how to disect a starfish. If you have any questions or would like some more information please e-mail Jourdan Turner or Jerrick Warren, please do this at the comment area.

Aboral Surface

Oral Surface

Cutting off the tip

What it looks like

Removal of Skin

Internal Anatomy

Removal of Skin from the Central Disc

Remove the Gonads

Observe Additional Internal Organs



We hope this site will be useful to students and teachers.
For problems or questions regarding this web contact tq1997-13008@advanced.org.
Last updated: August 04, 1997.