lab exersice 10
TRANSCRIPT
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Lab Exercise 10
Dissection of The Fetal Pig By Samson M.; Ph.D.
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Learning Objectives
1. Describe the major cavity and the organs contained in
each.
2. Identify the major internal organs of the fetal pig.
3. Describe the function of specific systems.
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Fetal Pig Dissection
• In this exercise, you will study the basic organization of
mammals through the dissection of a fetal (unborn) pig
• The purpose of the dissection is to expose the various
organs for study
• Your dissection will focus on the internal organs located in
the ventral (toward the belly) body cavity
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Anatomical Terms
• Superior above (toward the top)
• Medial toward the middle
• Inferior underneath, below (toward the bottom)
• Lateral towards the side (away from the middle)
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Anatomical Terms
• Dorsal (posterior) toward the back, toward the rear
• Anterior toward the front
• Proximal closest to the point of attachment
• Distal away from or farther away
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Body Cavities
• Thoracic Cavity houses the lungs and heart
• Abdominopelvic Cavity houses the stomach, liver, spleen,
gallbladder, small and a large intestines, urinary bladder, and
the internal reproductive organs.
• Thoracic and abdominopelvic cavity separated by diaphragm
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Membranes
• Pleura (or pleural membrane) surrounds the lungs
• Pericardium (or pericardial membrane) surrounds the
heart
• Peritoneum (or peritoneal membrane) surrounds all the
organs within the abdominopelvic cavity
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Organ Systems
• Digestive System breakdown of food substances into
simpler forms that can be absorbed (digestion).
• Circulatory S. transports materials throughout the body
• Urinary System removes ("filters") wastes from the blood.
and helps maintain the body's water and electrolyte balance.
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Organ Systems
• Respiratory System exchange of gases between blood
and air.
• Reproductive System it is responsible for the production of
whole new organisms like itself.
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External ear
External Anatomy of Fetal Pig
Nose
Eyelids
Elbow
Shoulder
Tongue
Umbilical cord
Hip
Tail
Knee
Ankle
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Sequence of the Incisions (Ventral View)
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TracheaLarynx
Heart
Liver
Lung
KidneyS. Intestine
L. Intestine
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The EndThe End