Lab 18 Lymphatic System & Finish Arteries & Veins

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Lab 18 Lymphatic System & Finish Arteries & Veins

1. Study a slide of a lymph node and identify (p. 749):

a.     cortex

       nodules

       germinal centers

b.     b. medulla

       cords

       sinuses

c.     lymphocytes

2. Study a slide of a lymph vessel and identify:

a.     valves

3. Study a slide of the spleen and identify (p. 751):

a.     capsule- is mainly collagenous fibrous connective tissue but there is smooth muscle in it, too. This allows the spleen to contract and eject stored erythrocytes when needed.

b.     white pulp- consists of collections of lymphocytes arranged alongside blood vessels

c.     red pulp- fills the bulk of the spleen's volume

d.     trabeculae- subdivide the spleen's interior volume. They arise from and are continuous with the capsule.

4. Study a slide of the thymus and identify (p. 748):

a.     cortex and medulla

5. Study a slide of the ileum and locate the Peyer’s patches (p. 746):

6. Study models, charts and figures to locate the following groups of lymph structures (p):

a.     lymphatic collecting vessels

b.     lymphatic ducts

       right

       thoracic

c.     lymph nodes

       cervical

       axillary

       inguinal

d.     individual lymph nodes in cat, models, and diagrams

7. Be able to identify the other organs of the lymphatic system (p.746):

a.     spleen

b.     thymus

c.     pharyngeal tonsil

d.     palatine tonsils

e.     lingual tonsils

8. Be able to recognize the spleen in the cat.

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