Immunity: Lymphoid System Flashcards
1
Q
Hematopoietic organ with stem cells in different stages of development
A
Stem organ
2
Q
What stimulates the development of bone marrow?
A
- Colony stimulating factors
- Interleukins
3
Q
Central/primary lymphoid organs
A
- Bone marrow
- Thymus
4
Q
Site for B lymphocyte development
A
B lymphocytes
5
Q
Types of organs that bone marrow will function as
A
- Stem cell organ
- Primary lymphoid organ
6
Q
Bi-lobed organ located anterior to the mediastinum and posterior to the sternum
A
Thymus
7
Q
Thymus divisions
A
- Cortex
- Medulla
8
Q
Forms a meshwork in which the T lymphocytes are tightly packed
A
Epithelial reticular cells
9
Q
Epithelial reticular cells are a source of what hormones?
A
Thymic
10
Q
What do thymic hormones assist in the development of?
A
T lymphocytes
11
Q
After puberty, the thymus undergoes a process called
A
Age involution
12
Q
What is the thymus independent of?
A
Antigenic stimulation
