Animal Anatomy & Physiology
Sea Star Dissection Entry Task Have Out: Dissecting Safely Sea Star Dissection Instructions Prepare for Chordate Presentation Chordate Group Presentation Dissecting Safely Read Along
We will review these items EVERY time we Dissect. Keep this Handout in your Class Folder / Binder. SPINES PEDICELLARIA SKIN GILLS Image by Riedell SPINY SKIN SPINES for protection connect to
SPINES for protection connect to ENDOSKELETON inside underneath skin PEDICELLARIAE (sing. Pedicellaria)
Keep surface clear of organisms connect to coelom inside
SKIN GILLSHollow skin tubes that project fromskin for increased surface area connect to coelom inside Image by Riedell Skin gills between spines
EXCHANGE GASES and EXCRETE NITROGEN WASTE TUBE FEET surfaces Can exchange gases and excrete nitrogen waste
Can exchange gases andexcrete nitrogen waste AMBULACRAL GROOVE TUBE FEET sit in GROOVE CUT TRIVIUM DIGESTIVE GLAND Makes BILE ABSORBS NUTRIENTS 2 part STOMACH CARDIAC stomach connects to mouth (extruded during feeding)
CARDIAC stomach connects to mouth(extruded during feeding) PYLORIC stomach connects to digestive glands and ANUS GONADS AMBULACRAL RIDGE AMPULLAE (tops oftube feet) DIGESTIVE GLAND GONAD OSSICLES ENDOSKELETON made of OSSICLES
HOMEWORK: Review Frog dissection instructions
Highlight important steps Note questions you have Watch video of frog dissection