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DOGFISH_DISSECTION

VIEWS: 47 PAGES: 2

									Dogfish (Shark) Dissection
Skim pages vii and viii
Dissection directional terms will be part of this practical.
Also know the classification phylum, subphylum, and class of sharks and the other 2
classes of “fish” in the phylum Chordata (see your textbook)


Use the following chapters as your guide to dissection:
Chapter 1 EXTERNAL ANATOMY
Chapter 4 pages 21-24 INTERNAL ANATOMY
Chapter 5 DIGESTIVE AND RESPIRATORY SYSTEMS
Chapter 6 THE CIRCULATORY SYSTEM
Chapter 7 THE UROGENITAL SYSTEM
Page 57- Lateral Line


You will label the parts listed on the attached sheet and complete structure and function
table.


The Lab Practical will test directional terms, classification, identification of structures
and function of structures.
Cut out and label each
day for credit.                   SHARK
Day 1
External anatomy
                                                        OR
Nares                             Gallbladder
                                                        Ovary
Spiracles                         Gonads- which?
                                                        Oviduct
External gill slits
                                                        Uterus
Endolymphatic pores
                                  Day 2
Ampullae of Lorenzini
Part of the lateral line system
                                  Pharynx
Dorsal fin
                                  Gill raker
Pectoral fins
                                  Gill filaments
Pelvic fins
                                  Cornus arteriosus
Cloacal aperature
                                  Atrium
Anus
                                  Ventricle
Internal Anatomy
                                  Sinus venosus
Pericaudial cavity
                                  Kidney
Pleuroperitoneal cavity
                                  Reproductive System
Transverse septum
                                  Testis
Heart
                                  Epididymus
Liver
                                  Ductus deferens
Stomach
                                  Sperm sac
Spleen
                                  Clasper
Intestine

Pancreas

								
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