Name ______DUE MONDAY NOV. 28th

Virtual Cat Dissection Prelab

I.Internal Anatomy

A. Circulatory system  Arteries and Veins of Appendages and Abdomen

Mesentary

1. What type of tissue is embedded in mesentery composed of? ______

Thorax, Neck, and Upper Arm

2. What are the two veins leading to the heart?______

3. What blood vessel branches off the S.V.C? ______

Hind leg

4. What artery branches off the descending aorta?______

Abdomen

5. What vessels are connected to the kidneys? ______

Front Leg

6. The radial artery is just a branch off of the ______

B. Digestive system

General view (ventral):

6. How many lobes of the liver does the cat have (count lobes, not arrows)? ______

7. What organ is nestled among the liver lobes? ______

General view (ventral) mesentery tissue removed:

8. What sex is the cat on the screen? ______

9. Which structure stores urine? ______

Lobes of the Liver:

10. Name the lobes of the liver.______

Stomach, Spleen, & Pancreas:

11. The first part of the small intestine is the ______.

12. The sphincter between the stomach and the small intestine is called the ______.

Small & Large Intestine:

13. Another name for the large intestine is the ______.

14. Where the S.I. and L.I. meet, there is a sac called ______

15. The horizontal portion of the large intestine is referred to as the ______.

16. As the large intestine turns downward it is referred to as the ______.

17. And lastly, the end of the large intestine is called what? ______

C. RespiratoryLungs and Heart

18. Can you see the heart muscle? Why or why not?

D. Urogenital

Urogenital pregnant female

19. What difference do you notice between the picture and the one below?

Urogenital normal female

20. What makes a V shape in the female?______

Kidney ureters and Bladder

21. What comes out of the kidneys and leads to the bladder? ______

22. The 2 parts to the kidney are medulla and cortex. How can you tell them apart?

23. Why is there a lot of fat surrounding the bladder?______

E. Muscular

24. Where is the pectoantebrachilis?______

25. Where is the bicep femoris?______

26. What muscle do you noticed that we don’t have in the hindlimb?______

27. What muscle runs down the upper back of a cat?______

Go to:

Look at how the muscles are separated- this is what you will do to identify the muscles.

Find the muscle without a human analog (click on them): ______

II. External Anatomy Click on External Anatomy

1. Use the links above to draw a cat and label the external anatomy of the cat.
2. Include the external anatomy, directional terms, and planes of division. (You will be referring to this as you dissect the cat, so make it nice and neat on this sheet or a separate sheet of paper!)

Terms: Dorsal/Ventral, Cranial/Caudal, Proximal/Distal, Anterior/Posterior, Sagittal, Transverse, Frontal

III. Dissection Opinion

1.In a separate sheet of paper, write four to five sentences about your views on the use of animals in science classrooms. Attach to this sheet to turn in for Monday. Support your idea with valid points!