BIOS 255 Week 4 Lab Instructions
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Chamberlain University College of Nursing *
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255
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Mechanical Engineering
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Apr 3, 2024
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BIOS 255 – Week 4 Lab Instructions
BIOS 255 Week 4 Lab Instructions
Activity
Description
Points
Part 1
Histologic analysis of immune system tissues
Part 1.1
Analysis of the thymus
7
Part 1.2
Analysis of a lymph node
7
Part 1.3
Analysis of the spleen
7
Part 2
In-class quiz
9
Total
30
*All due dates can be found on your Canvas calendar or the Modules section.
References
1.
Saladin, K. (2019). Anatomy and Physiology: The Unity of Form and Function (9
th
ed.). McGraw-
Hill
Materials
1.
Microscope
2.
Slides of:
a.
Lymph node
b.
Thymus
c.
Spleen
3.
Relevant models
PART 1: Histologic analysis of immune system tissues
1.
Using your microscope, take (using a tablet or your mobile phone) or draw pictures of the lymph node, thymus, and spleen. Label and
describe the function of the indicated structures in each organ. It is easiest to do this in PowerPoint using images, arrows, and text boxes, but you may also submit a Word document if preferred. Descriptions should be written in sentence form, no longer than a paragraph, and may only need 1-2 sentences to be complete.
1.1.Lymph node (7 pts)
1.1.1.
Lymphatic cortex (with B cells)
1.1.2.
Germinal Center
1.1.3.
Lymphatic medulla
1.1.4.
Lymphatic sinus
1.1.5.
Connective tissue capsule
1.2.Thymus (7 pts)
1.2.1. Cortex
1.2.2. Medulla
1.2.3.
T lymphocytes
1.2.4.
Thymic corpuscles
1.3.Spleen (7 pts)
1.3.1.
White pulp
1.3.2.
Red pulp
1.3.3. Trabecula
1.3.4. Capsule
1.3.5.
Central artery
1.4.Submit a Word or PowerPoint document with the above images, labels, and descriptions to Week 4: Lymphatic System Structure and Function (Onsite Lab 4 of 7).
BIOS 255 – Week 4 Lab Instructions
PART 2: Histologic analysis of immune system tissues
Your instructor will provide a 9-point quiz at the end of lab on the gross and histologic anatomy of lymphatic tissues using models, slides, and animations.
1.
In-class quiz
1.1.Review the following structures using microscopes, images, and anatomical models a. Thymus gland
b. Spleen
c. Mucosa Associated Lymphatic Tissue (MALT)
Tonsils
o
Pharyngeal
o
Palatine
o
Lingual
Peyer’s patches
Appendix
d. Thoracic duct
e. Right lymphatic duct
f.
Cysterni chyli
g. Lymph nodes
Mammary
Axillary
Inguinal
1.2.Be prepared to take an anatomical quiz as your instructor indicates structures on models, images, or microscopes.
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