Lab 5: Lymphatic System Flashcards Preview

ANATOMY AND PHYSIOLOGY II > Lab 5: Lymphatic System > Flashcards

Flashcards in Lab 5: Lymphatic System Deck (37)
1

_____ are small blunt ended vessels responsible for collecting interstitial fluid and delivering it to the lymphatic vessels.

lymphatic capillaries

2

_____ is interstitial fluid that has entered the lymphatic capillaries.

lymph

3

_____ is a special type of lymphatic capillary found in the small intestines which help to absorb fat and then transport it to the blood steam.

lacteal (tiny lymphatic vessel)

4

Lymphatic capillaries merge to form lymph collecting vessels which merge to form larger vessels called ______.

lymph trunks

5

Lymph trunks transport lymph to one of the two _____.

lymphatic ducts.

6

The two lymphatic ducts are the ____ and the ____ duct.

right lymphatic duct
thoracic duct

7

_____ return the lymph to the blood stream by way of the subclavian veins.

lymphatic ducts

8

_____ collects lymph from the right side of the body above the diaphragm.

right lymphatic duct

9

______ collects lymph from the entire left side of the body and below the diaphragm on the right side of the body.

thoracic duct

10

_____ is a dilated sac at the lower end of the thoracic duct where all of the lower body lymphatic trunks merge.

Cisterna chyli

11

_____ are encapsulated lymphoid organs found along the lymph vessels that filter lymph by removing pathogens, toxins, viruses, and cancer cells.

lymph nodes

12

Lymph nodes are clustered in the _____, _____, and ____ regions of the body.

cervical
axillary
inguinal

13

Lymph nodes are composed of a ____ and ____

cortex and medulla

14

Lymphatic nodules are found in the _____ and contain germinal centers.

cortex

15

Germinal centers contain proliferating B-cells and ____.

macrophages.

16

_____ are un-encapsulated lymph nodules found behind the nasal and oral cavities.

tonsils

17

The three types of tonsils.

Pharyngeal
Palatine
Lingual

18

Pharyngeal tonsils or ____ are found in the posterior nasopharynx.

adenoids

19

_____ tonsils is found in the posterior oropharynx.

palatine

20

_____ tonsils are at the base of tongue.

Lingual

21

MALT stands for

mucosal-associated lymphatic tissue

22

_____ is un-encapsulated clusters of lymphatic nodules found throughout the bodies mucous membranes.

MALT

23

MALT is located in the ____ of the mucosa.

lamina propria

24

MALT is located in the ______, _____, ____, and ____ tracts.

gastrointestinal
respiratory (tonsils_
urinary
reproductive
i.e. appendix

25

The lymphatic cells in the MALT help defend against foreign substances that come in contact with ______.

mucosal membranes

26

MALT is very prominent in the mucosa of the small intestine, primarily in the ileium. There, collections of lymphatic nodules called ____ can become quite large.

Peyer patches

27

_____ is found in the mediastinum, anterior to the aortic arch and posterior to the sternum.

Thymus

28

The thymus is where _____ go to mature into _____.

immature lymphocytes
T cells

29

The thymus starts off ____ as an infant then ____ with age.

large
shrinks

30

Elderly people do not have a ___ as it is replaced with adipose and other connective tissues.

thymus

31

_____ is the largest lymphatic organ.

spleen

32

The ____ is found in the left upper quadrant inferior to the diaphragm and lateral/posterior tot he stomach.

spleen

33

The spleen functions much like a ____; rids the blood (instead of lymph) of pathogens.

lymph node

34

The spleen removes old ____ from circulation.

old red blood cells

35

The spleen contains _____ an d____.

red pulp and white pulp

36

Red pulp contains erythrocytes, platelets, _____ and ______.

macrophages
B-cells

37

White pulp contains ___, ___, and macrophages.

T-cells
B-cells