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

3 Rat Dissection SOURCES The following web sites were used to obtain various dissection pictures. (1) 15/biolab15_1.html (2) (3) (4) (5) (6) (7) This has an excellent self quiz! Urogenital Tutorial-

4 Make External Observations
vibrissae. incisors. pupil and the nictitating membrane. eyelids pinna, and the auditory meatus teats Tail Anus urinary aperture vaginal orifice vulva. scrotal sacs testes. prepuce, urogenital orifice, where both urine and sperm exit.

5 Rat Dissection REMOVING SKIN Source #4

6 Rat Dissection REMOVING SKIN Source #7

7 Rat Dissection REMOVING SKIN Source #4

8 Rat Dissection MUSCLES Source #5

9 Rat Dissection MUSCLES Source #1

10 Rat Dissection MUSCLES Source #5

11 Rat Dissection MUSCLES Source #5

12 Rat Dissection MUSCLES Source #5

13 Rat Dissection MUSCLES Source #1

14 Rat Dissection MUSCLES Source #1

15 Rat Dissection MUSCLES Source #5

16 Rat Dissection MUSCLES Source #5

17 Rat Dissection MUSCLES Source #5

18 Rat Dissection MUSCLES Source #5

19 Rat Dissection MUSCLES Source #5

20 Rat Dissection MUSCLES Source #5

21 Rat Dissection ORAL CAVITY Source #6

22 Rat Dissection ORAL CAVITY Source #6

23 Rat Dissection ABDOMINAL CAVITY Source #4

24 Rat Dissection ABDOMINAL CAVITY Source #4

25 Rat Dissection ABDOMINAL CAVITY Source #7

26 Rat Dissection DIGESTIVE ORGANS Source #1

27 Rat Dissection DIGESTIVE ORGANS Source #6

28 Rat Dissection DIGESTIVE ORGANS Source #6

29 Rat Dissection DIGESTIVE ORGANS Source #1

30 Rat Dissection DIGESTIVE ORGANS Source #5

31 Rat Dissection DIGESTIVE ORGANS Source #1

32 Rat Dissection DIGESTIVE ORGANS Source #6

33 Rat Dissection DIGESTIVE ORGANS Source #1

34 Rat Dissection THORACIC CAVITY Source #1
Source #1

35 Rat Dissection HEART + LUNGS Source #5

36 Rat Dissection RESPIRATORY ORGANS Source #1

37 Rat Dissection CIRCULATORY ORGANS Source #1

38 Rat Dissection HEART Source #5

39 Rat Dissection CIRCULATORY ORGANS Source #1

40 Rat Dissection UROGENITAL ORGANS Source #1

41 Rat Dissection EXCRETORY ORGANS Source #5

42 Rat Dissection UROGENITAL ORGANS Source #5

43 Rat Dissection Trachea Heart Lung Diaphragm THORACIC CAVITY
Review and Quiz Yourself Rat Dissection THORACIC CAVITY Trachea Heart Lung Diaphragm Source #2

44 Rat Dissection Right Atrium Right Ventricle Left Atrium Left Ventricle
Review and Quiz Yourself Rat Dissection HEART Right Atrium Right Ventricle Left Atrium Left Ventricle Source #2

45 Rat Dissection Jugular Vein Carotid Artery Superior Vena Cava
Review and Quiz Yourself Rat Dissection THORACIC CIRCULATION Jugular Vein Carotid Artery Superior Vena Cava Ascending Aorta Atrium (right) Ventricles Source #2

46 Rat Dissection ABDOMINAL CAVITY Source #1
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 Duodenum Jejunum Ileum Large Intestine Cecum Colon - Ascending Limb - Transverse Limb - Descending Limb Rectum Anus Source #1

47 Rat Dissection ABDOMINAL CAVITY 1. Liver 2. Stomach 3. Pancreas
Review and Quiz Yourself Rat Dissection ABDOMINAL CAVITY 1. Liver 2. Stomach 3. Pancreas 4. Duodenum 5. Small Intestines 6. Cecum 7. Urinary Bladder Source #2

48 ABDOMINAL CIRCULATION
Review and Quiz Yourself Rat Dissection ABDOMINAL CIRCULATION 1. Abdominal Aorta 2. Renal Artery (left) 3. Renal Vein (left) 4. Inferior Vena Cava 5. Hepatic Portal Vein Source #2

49 MALE REPRODUCTIVE ORGANS
Review and Quiz Yourself Rat Dissection MALE REPRODUCTIVE ORGANS 1. Coagulating Gland 2. Urinary Bladder 3. Vas Deferens 4. Epididymis 5. Small Intestines 6. Seminal Vesicle 7. Prostate Gland 8. Penis 9. Testis 10.Scrotum Source #2

50 FEMALE REPRODUCTIVE ORGANS
Review and Quiz Yourself Rat Dissection FEMALE REPRODUCTIVE ORGANS Stomach Kidney Ovary Oviduct Uterine Horn Large Intestine Urinary Bladder Source #2

51 Rat Dissection 10. 13. 15. Masseter Biceps Brachii Rib Cage
Review and Quiz Yourself Rat Dissection TAGGED ORGANS 13 10. 13. 15. Masseter Biceps Brachii Rib Cage Source #7

52 Rat Dissection 5. 9. 22. 27. Esophagus Lung Trachea Heart
Review and Quiz Yourself Rat Dissection TAGGED ORGANS 5. 9. 22. 27. Esophagus Lung Trachea Heart Source #7

53 Rat Dissection 3. 7. 8. 11. 17. 18. Diaphragm Cecum Liver Ovary
Review and Quiz Yourself Rat Dissection TAGGED ORGANS 3. 7. 8. 11. 17. 18. Diaphragm Cecum Liver Ovary Small Intestine Spleen Source #7

54 Rat Dissection 24. 26. Urinary Bladder Uterine Horn TAGGED ORGANS
Review and Quiz Yourself Rat Dissection TAGGED ORGANS 24. 26. Urinary Bladder Uterine Horn Source #7

55 Rat Dissection 1. Adrenal Gland 6. 20. 23. Kidney 25. Stomach Ureter
Review and Quiz Yourself Rat Dissection TAGGED ORGANS 20 25 1. 6. 20. 23. 25. Adrenal Gland Kidney Stomach Ureter Rectum Source #7

56 Rat Dissection NAME THAT FUNCTION: ANATOMICAL TERMS Toward the midline
Review and Quiz Yourself Rat Dissection ANATOMICAL TERMS NAME THAT FUNCTION: Here’s a word bank to help you out: Caudal Cranial Distal Dorsal Lateral Medial Proximal Ventral Toward the midline Toward the back (upper surface of body) Toward the tail Toward the side Farthest from the point of attachment Toward the belly (underside of body) Closest to the point of attachment Toward the head Medial Dorsal Caudal Lateral Distal Ventral Proximal Cranial

57 Rat Dissection NAME THAT FUNCTION: ANATOMICAL TERMS
Review and Quiz Yourself Rat Dissection ANATOMICAL TERMS NAME THAT FUNCTION: The term referring to bending of a joint The term referring to movement of an appendage toward the long axis of the body The term referring to straightening of a joint The term referring to movement of an appendage away from the long axis of the body Flexion Adduction Extension Abduction

58 Rat Dissection NAME THAT ORGAN: ORGAN FUNCTION Vibrissae
Review and Quiz Yourself Rat Dissection ORGAN FUNCTION NAME THAT ORGAN: Vibrissae Here’s a word bank to help you out: Mesentery Nares Peritoneum Pinna Septum Vibrissae Viscera The whiskers, which have a sensory function The flap-like external ear that directs sound waves into the ear opening Paired openings leading into the nose Organs of the thoracic and abdominal cavities A partition or wall separating 2 cavities A membrane which suspends the organs Shiny membrane that lines the abdominal cavity Pinna Nares Viscera Septum Mesentery Peritoneum

59 Rat Dissection NAME THAT MUSCLE: ORGAN FUNCTION Biceps Femoris
Review and Quiz Yourself Rat Dissection ORGAN FUNCTION NAME THAT MUSCLE: Here’s a word bank to help you out: Biceps Brachii Biceps Femoris External Obliques Gastrocnemius Gluteus Maximus Gracilis Latissimus Dorsi Masseter Pectoralis Major Triceps Brachi Biceps Femoris Gluteus Maximus or Abducts the thigh Extends the forelimb Constricts the abdomen Closes the jaw Adducts the thigh Flexes the forelimb Draws the forelimb toward the chest Extends the foot Moves the forelimb dorsally + caudally Triceps Brachii External Obliques Masseter Gracilis Biceps Brachii Pectoralis Major Gastrocnemius Latissimus Dorsi

60 Rat Dissection NAME THAT ORGAN: ORGAN FUNCTION
Review and Quiz Yourself Rat Dissection ORGAN FUNCTION NAME THAT ORGAN: Here’s a word bank to help you out: Diaphragm Hard Palate Lungs Soft Palate Teeth Thymus Gland Thyroid Gland Tongue Trachea Matures WBC’s (White blood cells) Moves food in mouth and tastes Organs for gas exchange Windpipe leading from pharynx to lungs Bony anterior roof of mouth Muscular sheet that separates the thoracic and abdominal cavities Incisors (biting) and molars (grinding) Muscular posterior roof of mouth Affects metabolic rate and body growth Thymus Gland Tongue Lungs Trachae Hard Palate Diaphragm Teeth Soft Palate Thyroid Gland

61 Rat Dissection NAME THAT ORGAN: ORGAN FUNCTION
Review and Quiz Yourself Rat Dissection ORGAN FUNCTION NAME THAT ORGAN: Here’s a word bank to help you out: Cecum Esophagus Large Intestine Liver Pancreas Small Intestine Spleen Stomach Rectum Rugae Produces insulin for glucose metabolism Aids in digestion of proteins Food tube from pharynx to stomach Digests and absorbs nutrients Folds in stomach that help mix food Secretes bile, cleans blood, stores glycogen Cleans blood, removes old RBC’s Reabsorption of water Blind pouch where ileum joins colon End of intestines, compaction of feces Pancreas Stomach Esophagus Small Intestines Rugae Liver Spleen Large Intestine Cecum Rectum

62 Rat Dissection NAME THAT ORGAN: ORGAN FUNCTION Kidney
Review and Quiz Yourself Rat Dissection ORGAN FUNCTION NAME THAT ORGAN: Here’s a word bank to help you out: Bladder Kidney Ovary Prostate Scrotum Seminal Vesicle Testes Ureter Uterine Horn Kidney Removes wastes + excess H20 from blood Houses developing fetuses Produces and stores sperm Stores urine before excretion Secretes a fluid that aids sperm survival and motility Produces eggs Carry urine from kidney to bladder Secretes a fluid that nourishes sperm Sac that holds the testes Uterine Horn Testes Bladder Prostate Ovary Ureter Seminal Vesicle Scrotum

63 Rat Dissection NAME THAT ORGAN: ORGAN FUNCTION Pulmonary Artery
Review and Quiz Yourself Rat Dissection ORGAN FUNCTION NAME THAT ORGAN: Pulmonary Artery Here’s a word bank to help you out: Abdominal Aorta Aorta Atria Common Carotid Pericardial Sac Pulmonary Artery Renal Artery Vena Cava Ventricles Takes blood from heart to lungs Large veins take blood to right atrium Top chambers, receive blood Membrane around heart Artery taking blood to head Bottom chambers that pump blood out Largest artery taking blood from left ventricle Lower descending aorta takes blood to lower trunk and legs Takes blood to kidneys Vena Cava Atria Pericardial Sac Common Carotid Ventricles Aorta Abdominal Aorta Renal Artery


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