Anatomy and Physiology of the Immune System Flashcards Preview

MS1 - Blood & Lymph > Anatomy and Physiology of the Immune System > Flashcards

Flashcards in Anatomy and Physiology of the Immune System Deck (20)
Loading flashcards...
1

In the nervous system, macrophages are called _______.

microglia

2

"Mononuclear cells" refers to ______ and _____, because their nuclei are simpler than granulocytes.

monocytes; lymphocytes

3

Eosinophils fight _______.

parasites

4

Describe the anatomy of a lymph node.

The outermost layer is cortex, then deep cortex (or paracortex), and finally medulla. There are afferent and efferent lymphatics and blood vessels.

5

Where in the lymph node are antibodies made?

Cortex

6

T cells reside in the _____.

Paracortex / deep cortex

7

Lymph nodes in the wall of the intestine are called ______.

Peyer patches

8

The "buffy coat" in centrifuged blood is _______.

leukocytes

9

Polymorphonuclear cells are _______.

cells whose nuclei are lobular (i.e., granulocytes)

10

List the leukocytes in order of most to least populous.

Neutrophils > lymphocytes > monocytes > eosinophils > basophils (although young children have more lymphocytes than neutrophils)

11

Of lymphocytes, what percent are T and B?

70% T, 20% B, 10% other

12

Central lymphoid organs are organs in which _______.

lymphocytes develop

13

Peripheral lymphoid organs include ________.

Peyer patches, lymph nodes, the spleen, lymph vessels, tonsils, adenoids

14

Lymph enters in the _________ and exits through ______.

subscapular sinus; efferent lymphatics (at the hilum)

15

Which is denser, the cortex or the paracortex?

The cortex

16

Postcapillary venule cells are ________.

high and cuboidal

17

When a lymphocyte extravasates at a lymph node, it drains into ________.

lymph ducts that take it to the next lymph node and then finally the venous circulation (via the cisterna chylii)

18

Red pulp (in the spleen) corresponds to _____.

the medulla of the lymph nodes (where filtration takes place)

19

Peyer patches drain into _______.

the mesenteric lymph nodes

20

Activated T and B cells are confusingly referred to as ________.

T lymphoblasts and B lymphoblasts

Decks in MS1 - Blood & Lymph Class (60):