Flashcards in SI Lec - Lymphatic System Deck (70)
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1
lymphatic system consists of
lymphatic vessels
lymphoid tissues
lymphoid organs
2
– activation of immune cells
lymphoid organs
3
counterpart of blood vessels; channels for lymph fluid
lymphatic vessels
4
results if system blocked or surgically removed
Edema
5
Terminal points of veins and arteries
Lymph capillaries
6
Have one way minivalves allowing excess fluid to enter but not leave
Lymph capillaries
7
Picks up bacteria and viruses as well as proteins, electrolytes and fluid
Lymph capillaries
8
Absent from bone, bone marrow, teeth, CNS
Lymph capillaries
9
Lymph capillaries are absent from (4)
Bone, BM, CNS, teeth
10
Similar to blood vessels (3 layers), but thin & delicate
lymphatic collecting vessels
11
Superficial lymphatic collecting vessels in skin travel with ___
superficial veins
12
Deep lymphatic collecting vessels of trunk and digestive viscera travel with deep arteries
deep veins
13
pressure in lymphatic collecting vessels
very low
14
distinctive appearance of lymphatic collecting vessels seen in __
lymphangiography
15
Lymphatic collecting vessels
drain into
lymph nodes
16
type of lymphoid organ, for production and maturation of lymphocytes
primary lymphoid organs
17
type of lymphoid organ, for differentiation and activation of lymphocytes
secondary lymphoid organs
18
primary lymphoid organs
Bone Marrow
Thymus
19
secondary lymphoid organs
MALT (Mucosa Associated Lymphoid Tissue)
Tonsils
Appendix
CALT (Cutaneous Associated Lymphoid Tissue)
20
-standby areas for immunocompetent lymphocytes (waiting for Ag encounter)
secondary lymphoid organs
21
Largest tissue of the body
Bone marrow
22
Produce all blood cells
Bone marrow
23
total weight of BM
1300 - 1500 g (adult)
24
Main source of hematopoietic tissue
BM
25
Center for Ag-independent lymphopoeisis
BM
26
Give % of B, T, NK cells in peripheral blood
In peripheral blood , B cells= 20% T cells= 61-89%, NK cells=22%
27
Where T cells develop their identity
thymus
28
Small, flat, bilobed organ found in the thorax, right below the thyroid gland and overlying the heart
thymus
29
mass of thymus at birth
30 g
30
