Lymph Nodes

Question 1

Two types of lymphoid nodules

Answer 1

primary nodules

secondary nodules

Question 2

Primary nodules contain ____ cells

Answer 2

inactive B cells

Question 3

Secondary nodules are sites where ____ are dividing and maturing.

Answer 3

activated B cells

Question 4

two parts of secondary nodules

Answer 4

Germinal center

Cap

Question 5

Dividing B cells in the dark zone are called _____

Answer 5

centroblasts

Question 6

Centroblasts undergo _____ in the dark zone.

Answer 6

somatic hypermutation

Question 7

Centroblasts migrate into light zone & are then known as ______

Answer 7

centrocytes

Question 8

Centrocytes interact with ________ in the light zone

Answer 8

follicular dendritic cells (FDCs)

Question 9

FDCs are the ______ cells of lymphoid nodules

Answer 9

stromal

note: rather than reticular cells

Question 10

FDCs bind _____ via _____ on their plasma membranes

Answer 10

ag-ab complexes

Fc receptors

Question 11

within a node plasma cells are most abundant in ___________

Answer 11

medullary cords

Question 12

_____ carry lymph to the nodes

Answer 12

afferent lymphatics

Question 13

______ receives lymph from afferent lymphatics

Answer 13

subcapsular sinus

Question 14

______ receive lymph from the subcapsular sinus

Answer 14

trabecular sinuses

Question 15

_____ receive lymph from trabecular sinuses

Answer 15

medullary sinuses

Question 16

_____ leaves node at the hilus

Answer 16

efferent lymphatic

Question 17

____ attaches to the capsule and trabeculae

Answer 17

stroma