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Rat Dissection The following slides are intended to help you with dissection of the rat and then to review for the lab practical that will follow.

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Presentation on theme: "Rat Dissection The following slides are intended to help you with dissection of the rat and then to review for the lab practical that will follow."— Presentation transcript:

1 Rat Dissection The following slides are intended to help you with dissection of the rat and then to review for the lab practical that will follow.

2 Rat Dissection Scientific Name: Rattus norvegicus Common Name: Rat Kingdom- Animalia Phylum- Chordata Subphylum- Vertebrata Class- Mammalia Order- Rodentia RATS

3 Rat Dissection The following web sites were used to obtain various dissection pictures. (1) 15/biolab15_1.htmlhttp://www.umanitoba.ca/faculties/science/biological_sciences/lab 15/biolab15_1.html (2) (3) (4) (5) (6) (7) This has an excellent self quiz!http://www.victoriacollege.edu/dept/bio/RatDissection/index.htm Urogenital Tutorial- SOURCES

4 Rat Dissection REMOVING SKIN Source #4

5 Rat Dissection REMOVING SKIN Source #7

6 Rat Dissection REMOVING SKIN Source #4

7 Rat Dissection BODY CAVITIES The DIAPHRAGM Divides the ventral cavity into: 2. THORACIC CAVITY heart & lungs 3. ABDOMINAL CAVITY digestive, excretory, reproductive organs

8 Rat Dissection Source #1 THORACIC CAVITY

9 Rat Dissection HEART + BLOOD VESSELS Right Superior Vena Cava Left Superior Vena Cava Aorta Trachea Heart (Ventricles) Atrium

10 Rat Dissection RESPIRATORY ORGANS Source #1

11 Rat Dissection RESPIRATORY ORGANS Trachea Cartilage rings

12 Rat Dissection THORACIC ORGANS 1. Trachea 2. Heart (Ventricles) 3. Right Lung 4. Diaphragm

13 Rat Dissection RESPIRATORY ORGANS Right Lung Left Lung

14 Rat Dissection CIRCULATORY ORGANS Source #1

15 Rat Dissection HEART Heart

16 Rat Dissection THORACIC ORGANS Thymus Gland Ventricles Heart Right Atrium

17 Rat Dissection ABDOMINAL CAVITY Source #4

18 Rat Dissection ABDOMINAL CAVITY Source #4

19 Rat Dissection Source #7 ABDOMINAL CAVITY

20 Rat Dissection DIGESTIVE ORGANS Source #1

21 Rat Dissection Source #6 DIGESTIVE ORGANS

22 Rat Dissection Source #6 DIGESTIVE ORGANS

23 Rat Dissection DIGESTIVE ORGANS Source #1

24 Rat Dissection DIGESTIVE ORGANS

25 Rat Dissection DIGESTIVE ORGANS

26 Rat Dissection DIGESTIVE ORGANS Source #1

27 Rat Dissection DIGESTIVE ORGANS

28 Rat Dissection Source #6 DIGESTIVE ORGANS

29 Rat Dissection DIGESTIVE ORGANS

30 Rat Dissection DIGESTIVE ORGANS Small Intestine

31 Rat Dissection EXCRETORY ORGANS Kidneys Ureter

32 Rat Dissection ORGANS Liver 2.Stomach 3.Pancreas 4.Spleen 5.Small Intestine 6. Cecum 7. Large Intestine 7.

33 Rat Dissection ORGANS

34 Rat Dissection ORGANS

35 Rat Dissection ORGANS

36 Rat Dissection ORGANS

37 Rat Dissection ORGANS

38 Rat Dissection ORGANS

39 Rat Dissection FEMALE REPRODUCTIVE ORGANS

40 Rat Dissection FEMALE UROGENITAL ORGANS Kidney Ovary Uterus (Left Horn) Urinary Bladder

41 Rat Dissection UROGENITAL ORGANS

42 Rat Dissection UROGENITAL ORGANS Female Uterus With developing embryos

43 Rat Dissection MALE REPRODUCTIVE ORGANS

44 Rat Dissection MALE REPRODUCTIVE ORGANS Testis

45 Rat Dissection MALE REPRODUCTIVE ORGANS Penis Testis Urinary Bladder

46 Rat Dissection LAB TEST Review and Quiz Yourself The test is normally called a dissection Practical. This is how most dissection tests are given! Pans of dissected rats are situated around the lab in strategic locations. Each rat will have numbered pins stuck in various structures. Questions will accompany the rat and the pins. You MUST be sure to READ the questions as you look at the pins.

47 Rat Dissection 1. Trachea 2. Heart 3. Lung 4. Diaphragm Source #2 THORACIC CAVITY Review and Quiz Yourself

48 Rat Dissection 1. Right Atrium 2. Right Ventricle 3. Left Atrium 4. Left Ventricle Source #2 HEART Review and Quiz Yourself

49 Rat Dissection 1. Vein 2. Artery 3. Superior Vena Cava 4. Aorta 5. Atrium (right) 6. Ventricles THORACIC CIRCULATION Source #2 Review and Quiz Yourself

50 Rat Dissection You should be familiar with the order of the parts of the alimentary canal. Following the path that food would take, we would pass through: – Oral Cavity – Pharynx – Esophagus – Stomach – Pyloric Sphincter – Small Intestine – Large Intestine – Rectum – Anus Source #1 ABDOMINAL CAVITY

51 Rat Dissection 1. Liver 2. Stomach 3. Pancreas 5. Small Intestines 6. Cecum 7. Urinary Bladder Source #2 ABDOMINAL CAVITY Review and Quiz Yourself

52 Rat Dissection 2. Urinary Bladder 3. Vas Deferens 4. Epididymis 5. Small Intestines 6. Seminal Vesicle 8. Penis 9. Testis 10.Scrotum MALE REPRODUCTIVE ORGANS Source #2 Review and Quiz Yourself

53 Rat Dissection 1. Stomach 2. Kidney 3. Ovary 4. Oviduct 5. Uterine Horn 6. Large Intestine 7. Urinary Bladder FEMALE REPRODUCTIVE ORGANS Source #2 Review and Quiz Yourself

54 Rat Dissection TAGGED ORGANS Source #7 Review and Quiz Yourself Heart Trachea Lung Esophagus

55 Rat Dissection TAGGED ORGANS Source #7 Review and Quiz Yourself Cecum Small Intestine Ovary Diaphragm Liver Spleen

56 Rat Dissection TAGGED ORGANS Source #7 Review and Quiz Yourself Uterine Horn Urinary Bladder

57 Rat Dissection TAGGED ORGANS Source #7 Review and Quiz Yourself Ureter Kidney Large Intestine Stomach 26 Uterine Horn


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