Lab 12 The Lymphatic System BIO202L

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Pre-Lab Questions:

”1. In what areas are lymph nodes clustered? Why is this desirable?”

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”2. Explain how the flow of lymph is controlled through lymphatic vessels. ”

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Experiment 1: Examining the Microscopic Anatomy of Lymphatic System

Post-Lab Questions

”1. Label the items in the following slide pictures based on your observations. ”

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Lab 12 The Lymphatic System BIO202L

Lab 12 The Lymphatic System BIO202L

”2. Are there more afferent or efferent vessels attached to a lymph node? What is the functional purpose of this? ”

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”3. What structural similarities did you observe between the lymph node and spleen? ”

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Experiment 2: The Virtual Model – The Lymphatic System

”1. Is the cisterna chyli or the spleen more medial to the spinal cord? ”

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”2. Are the cubital nodes or the axillary nodes more distal to the thymus? ”

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”3. What is the name of the most superior lymph nodes in the head region? ”

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”4. Where are the popliteal nodes located? ”

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Lab 12 The Lymphatic System BIO202L

”5. What are the most inferior lymph nodes in the body called? ”

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Experiment 3: Fetal Pig Dissection: The Lymphatic System

”Insert photo of your pig’s exposed spleen with your name clearly visible in the background: ”