Flashcards in Lab 5: Lymphatic System Deck (37)
_____ are small blunt ended vessels responsible for collecting interstitial fluid and delivering it to the lymphatic vessels.
_____ is interstitial fluid that has entered the lymphatic capillaries.
_____ 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)
Lymphatic capillaries merge to form lymph collecting vessels which merge to form larger vessels called ______.
Lymph trunks transport lymph to one of the two _____.
The two lymphatic ducts are the ____ and the ____ duct.
right lymphatic duct
_____ return the lymph to the blood stream by way of the subclavian veins.
_____ collects lymph from the right side of the body above the diaphragm.
right lymphatic duct
______ collects lymph from the entire left side of the body and below the diaphragm on the right side of the body.
_____ is a dilated sac at the lower end of the thoracic duct where all of the lower body lymphatic trunks merge.
_____ are encapsulated lymphoid organs found along the lymph vessels that filter lymph by removing pathogens, toxins, viruses, and cancer cells.
Lymph nodes are clustered in the _____, _____, and ____ regions of the body.
Lymph nodes are composed of a ____ and ____
cortex and medulla
Lymphatic nodules are found in the _____ and contain germinal centers.
Germinal centers contain proliferating B-cells and ____.
_____ are un-encapsulated lymph nodules found behind the nasal and oral cavities.
The three types of tonsils.
Pharyngeal tonsils or ____ are found in the posterior nasopharynx.
_____ tonsils is found in the posterior oropharynx.
_____ tonsils are at the base of tongue.
MALT stands for
mucosal-associated lymphatic tissue
_____ is un-encapsulated clusters of lymphatic nodules found throughout the bodies mucous membranes.
MALT is located in the ____ of the mucosa.
MALT is located in the ______, _____, ____, and ____ tracts.
The lymphatic cells in the MALT help defend against foreign substances that come in contact with ______.
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.
_____ is found in the mediastinum, anterior to the aortic arch and posterior to the sternum.
The thymus is where _____ go to mature into _____.
The thymus starts off ____ as an infant then ____ with age.
Elderly people do not have a ___ as it is replaced with adipose and other connective tissues.
_____ is the largest lymphatic organ.
The ____ is found in the left upper quadrant inferior to the diaphragm and lateral/posterior tot he stomach.
The spleen functions much like a ____; rids the blood (instead of lymph) of pathogens.
The spleen removes old ____ from circulation.
old red blood cells
The spleen contains _____ an d____.
red pulp and white pulp
Red pulp contains erythrocytes, platelets, _____ and ______.