How to Dissect Rat
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Transcript of How to Dissect Rat
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Rat Dissection
• Scientific Name: Rattus norvegicus
• Common Name: Rat
• Kingdom- Animalia • Phylum- Chordata • Subphylum- Vertebrata • Class- Mammalia • Order- Rodentia
RATS
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Rat Dissection REMOVING SKIN
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Rat Dissection REMOVING SKIN
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Rat Dissection REMOVING SKIN
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Rat Dissection ORAL CAVITY
Source #6
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Rat Dissection ORAL CAVITY
Source #6
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Rat Dissection ABDOMINAL
CAVITY
Source #4
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Rat Dissection
DIGESTIVE ORGANS
Source #1
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Rat Dissection
Source #6
DIGESTIVE ORGANS
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Rat Dissection
Source #6
DIGESTIVE ORGANS
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Rat Dissection
DIGESTIVE ORGANS
Source #1
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Rat Dissection
DIGESTIVE ORGANS
Source #1
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Rat Dissection
Source #1
THORACIC CAVITY
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Rat Dissection HEART + LUNGS
Source #5
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Rat Dissection
RESPIRATORY ORGANS
Source #1
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Rat Dissection
CIRCULATORY ORGANS
Source #1
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Rat Dissection HEART
Source #5
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Rat Dissection
CIRCULATORY ORGANS
Source #1
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Rat Dissection
UROGENITAL ORGANS
Source #1
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Rat Dissection
Source #5
EXCRETORY ORGANS
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Rat Dissection
Source #5
UROGENITAL ORGANS
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Rat Dissection
1. Toward the midline
2. Toward the back (upper surface of body)
3. Toward the tail
4. Toward the side
5. Farthest from the point of attachment
6. Toward the belly (underside of body)
7. Closest to the point of attachment
8. Toward the head
ANATOMICAL TERMS
Review and Quiz Yourself
NAME THAT FUNCTION:
Caudal
Lateral
Cranial Proximal
Ventral
Distal
Dorsal
Medial Here’s a word bank to help you out: Caudal Cranial Distal Dorsal Lateral Medial Proximal Ventral
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Rat Dissection
1. The terThe term referring to movement of an appendage toward the long axis of the body
2. m referring to bending of a joint
3. The term referring to movement of an appendage toward the long axis of the body
4. The term referring to straightening of a joint
5. The term referring to movement of an appendage away from the long axis of the body
ANATOMICAL TERMS
Review and Quiz Yourself
NAME THAT FUNCTION:
Adduction
Flexion
Abduction
Extension
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Rat Dissection
1. The whiskers, which have a sensory function
2. The flap-like external ear that directs sound waves into the ear opening
3. Paired openings leading into the nose
4. Organs of the thoracic and abdominal cavities
5. A partition or wall separating 2 cavities
6. A membrane which suspends the organs
7. Shiny membrane that lines the abdominal cavity
ORGAN FUNCTION
Review and Quiz Yourself
NAME THAT ORGAN:
Vibrissae
Pinna
Nares
Mesentery Septum
Viscera
Peritoneum
Here’s a word bank to help you out: Mesentery Nares Peritoneum Pinna Septum Vibrissae Viscera
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Rat Dissection
1. Abducts the thigh
2. Extends the forelimb
3. Constricts the abdomen
4. Closes the jaw
5. Adducts the thigh
6. Flexes the forelimb
7. Draws the forelimb toward the chest 8. Extends the foot 9. Moves the forelimb dorsally + caudally
ORGAN FUNCTION
Review and Quiz Yourself
NAME THAT MUSCLE: Biceps Femoris
Triceps Brachii External Obliques
Biceps Brachii
Gracilis Masseter
Pectoralis Major
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
or Gluteus Maximus
Gastrocnemius Latissimus Dorsi
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Rat Dissection
1. Produces WBC’s (White blood cells) 2. Moves food in mouth and tastes 3. Organs for gas exchange 4. Windpipe leading from pharynx to lungs 5. Bony anterior roof of mouth 6. Muscular sheet that separates the
thoracic and abdominal cavities 7. Incisors (biting) and molars (grinding) 8. Muscular posterior roof of mouth 9. Affects metabolic rate and body growth
ORGAN FUNCTION
Review and Quiz Yourself
NAME THAT ORGAN:
Tongue Lungs
Diaphragm
Hard Palate Trachae
Teeth
Here’s a word bank to help you out: Diaphragm Hard Palate Lungs Soft Palate Teeth Thymus Gland Thyroid Gland Tongue Trachea
Thymus Gland
Soft Palate
Thyroid Gland
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Rat Dissection
1. Produces insulin for glucose metabolism 2. Aids in digestion of proteins 3. Food tube from pharynx to stomach 4. Digests and absorbs nutrients 5. Folds in stomach that help mix food 6. Secretes bile, cleans blood, stores glycogen 7. Cleans blood, removes old RBC’s 8. Reabsorption of water 9. Blind pouch where ileum joins colon 10. End of intestines, compaction of feces
ORGAN FUNCTION
Review and Quiz Yourself
NAME THAT ORGAN:
Stomach
Esophagus
Liver Rugae
Small Intestines
Spleen
Here’s a word bank to help you out: Cecum Esophagus Large Intestine Liver Pancreas Small Intestine Spleen Stomach Rectum Rugae
Pancreas
Large Intestine Cecum
Rectum
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Rat Dissection
1. Removes wastes + excess H20 from blood 2. Houses developing fetuses 3. Produces and stores sperm 4. Stores urine before excretion 5. Secretes a fluid that aids sperm
survival and motility 6. Produces eggs 7. Carry urine from kidney to bladder 8. Secretes a fluid that nourishes sperm 9. Sac that holds the testes
ORGAN FUNCTION
Review and Quiz Yourself
NAME THAT ORGAN:
Uterine Horn
Testes
Ovary
Prostate
Bladder
Ureter
Here’s a word bank to help you out: Bladder Kidney Ovary Prostate Scrotum Seminal Vesicle Testes Ureter Uterine Horn
Kidney
Seminal Vesicle
Scrotum
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Rat Dissection
1. Takes blood from heart to lungs 2. Large veins take blood to right atrium 3. Top chambers, receive blood 4. Membrane around heart 5. Artery taking blood to head 6. Bottom chambers that pump blood out 7. Largest artery taking blood from left ventricle 8. Lower descending aorta takes
blood to lower trunk and legs 9. Takes blood to kidneys
ORGAN FUNCTION
Review and Quiz Yourself
NAME THAT ORGAN:
Vena Cava
Atria
Ventricles Common Carotid
Pericardial Sac
Aorta
Here’s a word bank to help you out: Abdominal Aorta Aorta Atria Common Carotid Pericardial Sac Pulmonary Artery Renal Artery Vena Cava Ventricles
Pulmonary Artery
Abdominal Aorta
Renal Artery