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FROG DISSECTION http://www.aa.psu.edu/biology/frog/default.htm Purpose: The purpose of this lab activity is to help you learn the anatomy of a frog and.

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Presentation on theme: "FROG DISSECTION http://www.aa.psu.edu/biology/frog/default.htm Purpose: The purpose of this lab activity is to help you learn the anatomy of a frog and."— Presentation transcript:

1 FROG DISSECTION http://www.aa.psu.edu/biology/frog/default.htm
Purpose: The purpose of this lab activity is to help you learn the anatomy of a frog and give you a better understanding of the anatomy of vertebrate animals in general, including humans. After completing this dissection, you should be able to: 1.)Correctly identify the locations involved in the dissection procedures, and 2.)Correctly identify the locations of the major organs within the body cavity of a frog. Materials: Preserved frog Dissection Pan Dissection kit Scalpel Forceps Scissors Dissecting Pins Probes

2 I. ) External Anatomy a. ) Eyes b. ) Nictitating Membrane c
I.) External Anatomy a.) Eyes b.) Nictitating Membrane c.) Tympanum d.) External Nares e.) Appendages

3 II. ) Mouth a. ) Internal Nares b. ) Tongue c. ) Eustachian Tube d
II.) Mouth a.) Internal Nares b.) Tongue c.) Eustachian Tube d.) Maxillary and Vomerine Teeth e.) Glottis f.) Esophagus

4 III. ) Setup for the Dissection a. ) Pinning the Frog b
III.) Setup for the Dissection a.) Pinning the Frog b.) Skin incisions c.) Muscle incisions

5 IV. ) Respiratory System and Liver a. ) Vocal Cords b. ) Lungs c
IV.) Respiratory System and Liver a.) Vocal Cords b.) Lungs c.) Liver d.) Gallbladder

6 V. ) Circulatory System a. ) Heart b. ) Left Atrium c) Right Atrium d
V.) Circulatory System a.) Heart b.) Left Atrium c) Right Atrium d.) Ventricle

7 VI. ) Digestive System a. ) Esophagus b. ) Stomach c
VI.) Digestive System a.) Esophagus b.) Stomach c.) Small intestine d.) Cloaca e.) Anus f.) Pancreas g.) Spleen h.) Fat Bodies

8 VII.) Urogential System a.) Kidneys b.) Urinary Bladder

9 VIII.) Male Anatomy a.) Testes b.) Fat Bodies

10 IX.) Female Anatomy a.) Ovaries b.) Oviducts

11 Do not leave any of the parts in the trash cans or sink.
X.) Cleanup a.) Disposal of frog b.) Clean equipment Dispose of all frog parts properly in the container marked Animal Waste.  Do not leave any of the parts in the trash cans or sink. 3. Rinse and dry all equipment used, including the dissecting pan.


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