Lymphatic

Question 1

What are the 4 organs we studied in the lymphatic system?

Answer 1

lymph nodes
MALT
Spleen
Thymus

Question 2

Lymphatic system function

Answer 2

to form/filter blood
story fatty materials
metabolize iron
handle inflammation

Question 3

What is unique about lymphatic vessels histologically

Answer 3

they lack tunica media, and have an incomplete basement membrane

Question 4

What are trabeculla of a lymph node

Answer 4

extensions of the capsule into the node

Question 5

What are the 3 layers of a lymph node?

Answer 5

Cortex
paracortex
medulla

Question 6

Where cells are housed in the cortex of a lymph node?

Answer 6

B cells

Question 7

What cells are housed in the paracortex of a lymph node?

Answer 7

T cells

Question 8

WHat cells are housed in the medulla of a lymph node?

Answer 8

Lymphocytes, plasma cells

Question 9

Where are follicles found in a lymph node

Answer 9

The cortex

Question 10

What does MALT stand for

Answer 10

Mucosa associated lymph tissue

Question 11

Where is MALT found

Answer 11

lining mucosal cavities

Question 12

What do you call MALT in tonsils and adenoids?

Answer 12

Waldeyer’s ring

Question 13

What do you call MALT in GI tract/colon?

Answer 13

Peyer’s patches

Question 14

What is the functions of the spleen?

Answer 14

filter blood to remove pathogens/old RBCs
immunosurveillance
sometimes hematopoiesis
storing RBC

Question 15

What are the 2 tissue components of the spleen?

Answer 15

White pulp
red pulp

Question 16

What is White pulp in the spleen made of?

Answer 16

PALS (T cells)
B cells

Question 17

Are B cells found at the center or outer ring of white pulp?

Answer 17

Center

Question 18

What are the components of the red pulp of the spleen?

Answer 18

Cords of Billroth
Sinusoids

Question 19

What do spleen cords contain

Answer 19

macrophages

Question 20

What do spleen sinusoids contain?

Answer 20

capillaries filtering RBCs

Question 21

What is the function of the thymus

Answer 21

it is the site of T cell maturation

Question 22

What is the histological layers of the thymus

Answer 22

Cortex
Medulla

Question 23

Where are Hasall Corpuscles located in the Thymus?

Answer 23

Hasall Corpuscles are located in the Medulla.