Reticulo-endothelial Anatomy Flashcards Preview

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Flashcards in Reticulo-endothelial Anatomy Deck (55)
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1

What is a small, bean-shaped, encapsulated structure that drains lymphatics?

Lymph node

2

What is directly under the thin fibrous capsule of a lymph node?

Subcapsular sinus

3

What is underneath the subcapsular sinus of a lymph node?

The cortex

4

What is contained within the outer cortex of a lymph node?

Mature B cells

5

How are mature B cells organized within the outer cortex of a lymph node?

Follicles

6

What is in the follicles of lymph nodes?

Germinal centers

7

What is in the germinal center of a lymph node?

Active B cells

8

What is in the inner cortex of a lymph node?

Mature T cells

9

What is in the medulla of lymph nodes?

Lymphocytes, plasma cells, and macrophages

10

Where does lymph drain out of the lymph node?

Medullary sinus

11

What do the medullary sinus contain?

Macrophages

12

Where do activated lymphocytes leave?

Via the hilum

13

Where do nerve fibers enter the the lymph node?

Hilum

14

What is the body's largest aggregate of lymphoid tissue?

Spleen

15

Where does the spleen develop from?

Mesoderm in the dorsal mesentery of the stomach

16

Where does the spleen lie?

Under the left dome of the diaphragm close to the lower ribs

17

What are the approximate measurements of the spleen?

1" thick, 3" wide, 5" long, and 7 ounces

18

Where in the abdomen is the spleen?

Between the 9th and 11th ribs, in the left midaxillary line

19

What type of tissues are encapsulated in the spleen?

Red and White pulp

20

The spleen is attached by what ligaments?

Gastrosplenic ligament (contains short and left gastroepiploic arteries)
Splenorenal ligament

21

What structures are near the visceral aspect of the spleen?

Tail of the pancreas
Stomach
Left kidney
Splenic flexure of the colin

22

Why is the liver considered part of the reticuloendothelial anatomy?

It contains many Kupffer cells that filter out bacteria

23

What is the weight of the liver?

3lbs, largest internal organ

24

What does the liver develop from?

A ventral outgrowth of the distal end of the foregut

25

What is the liver surrounded by?

A fibrous capsule

26

What is the liver suspended by?

Coronary ligament

27

What is the coronary ligament a continuation of?

Falciform ligament

28

What does the falciform ligament contain?

The round ligament of the liver

29

What is the liver covered mostly by?

Visceral peritoneum except for the bare area (bounded by coronary ligament) and where the IVC passes through

30

What are the four anatomical lobes of the liver? which functional side do they belong to?

Right - right...
Left - left
Quadrate - left
Caudate - both