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Flashcards in Chapter 22 Deck (87)
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1

What are lacteals?

SPECIALIZED LYMPH CAPILLARIES THAT DRAIN THE FLUID FROM THE TISSUES

2

where do all the capillaries empty into?

Collecting duct

3

Where does the thoracic duct empty into?

left subclavian vein

4

direction that lymph travels in

from the tissues toward the heart

5

where does the right lymphatic duct empty into?

Right subclavian vein

6

5 types of Lymphoid cells

B lymphocytes
T lymphocytes
Macrophages
Dendritic cells
Reticular cells

7

lymph organs

Lymph nodes
Spleen
Tonsils
Thymus
Red bone marrow

8

2 types of lymphoid tissues

Diffuse lymphatic tissues
Lymphatic follicles

9

where does lymphocyte proliferation happen?

in lymphoid tissues

10

function of the afferent vessles

Bring fluid to the lymph nodes

11

what is white pulp made of

lymphocytes on reticular fibers

12

site of lymphocyte maturation

Thymus

13

Simplest lymphoid organ

Tonsils

14

location of palatine tonsils

Posterior end of oral cavity

15

location of lingual tonsils

At base of tongue

16

location of Pharyngeal tonsils

Found in posterior wall of nasopharynx

17

location of tubal tonsils

Surround the openings of auditory tubes into the pharynx

18

location of Peyer's patches

In the wall of small intestine

19

location of appendix

large intestine

20

what is immunity

resistance to disease

21

2 branches of immune system

innate
adaptive

22

2 types of phagocytes

neutrophils
macrophages

23

What is phagocytosis?

Process of actively taking in external matter into the cells and its destruction using enzymes stored in lysosomes

24

5 steps of phagocytosis

- Adherence of a phagocyte to a pathogen
- Endocytosis
- Lysosomes fuses with phagocytic vesicle > phagolysosome
- Lysosomal enzymes digest the particle
- Exocytosis

25

4 cardinal signs of inflammation

Redness
Heat
Swelling
Pain

26

THE TWO MAJOR ANTIMICROBIAL PROTEINS

infererons
complement

27

what temperature is considered a high fever

about 105 degrees

28

2 branches of adaptive defense

humoral (b lymphocytes)
cellular ( T Lymphocytes)

29

where do B lymphocytes mature?

in red bone marrow

30

where do T lymphocytes mature?

in the thymus