Topic 13: Lymphatic System - Lymphatic Tissues and Organs Flashcards
1
Q
What are the two primary lymphatic organs and tissues?
A
- red bone marrow
- thymus gland
2
Q
What is the function of red bone marrow? (2)
A
- lymphocytes arise here, called lymphoid stem cells
- B lymphocytes mature and proliferate (Mitosis) here
3
Q
what is the function of the thymus gland?
A
- T lymphocytes mature and proliferate here
note that this is superior of heart
4
Q
what are the three secondary lymphatic organs and tissues?
A
- lymph nodes
- spleen
- Mucosal associated lymphoid tissue (MALT) ex. tonsils, appendix, lymphoid tissue, on mucous membranes
5
Q
what is the purpose of secondary lymphatic organs and tissues?
A
Where are lymphocytes proliferate
6
Q
Where can you find lymph nodes? (5)
A
- cervical
- axillary (armpit)
- inguinal (groin)
- intestinal
- pelvic
7
Q
what is the function of the spleen? (2)
A
- filters blood
- ex removes bacteria
in lecture, breaks down or recycles erythrocytes
8
Q
Tonsils are examples of MALTs. Name the 3 parts/
A
- adenoids (pharyngeal)
- palatine
- lungual
9
Q
What are adenoids (pharyngeal)?
A
- 1
- nasopharynx
10
Q
What is the palatine of tonsils? (3)
A
- 2
- in oropharynx
- commonly removed
11
Q
What is the lingual part of tonsils (2)
A
- 1
- base of posterior part of tongue
12
Q
In lecture, are MALTS organs?
A
- no CT sheath so no
