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37 terms

lymph

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the lymphatic system
very important in maintaining fluid balance and helps in immunity within the body
the lymphatic system
considered the 2nd subdivision of the circulatory system
lymph
clear, yellow, watery fluid found in the lymph vessels. similar to plasma but without many large proteins. it does not have red blood cells or platelets but does contain lymphocytes.
lymph, lymph nodes, lymph vessels, and organs that contain lymph tissue
the lymphatic system is composed of..
tonsils, spleen, and the thymus gland
organs that contain lymph tissue
lymph capillaries
lymph vessels begin as..
lymph capillaries
the smallest of the lymph vessels..
veins
lymph vessels resemble the structure of what?
right lymphatic duct and thoracic duct
the lymph system will eventually drain into two large main vessels known as..
lymph nodes
oval shaped structures located along the entire length of lymph vessels
lymph nodes
these function as filters to remove bacteria and other foreign bodies including malignant cells
right lymphatic duct
the smaller of the two main vessels, about a 1/2 inch long and drains lymph from the upper right side of body
right lymphatic duct
drains lymph from the head, neck, right side of chest, and entire right upper extremity
right subclavian vein
this returns lymph to the cardiovascular system by way of the right subclavian vein
thoracic duct or left lymphatic duct
this is much longer than the other main vessel, 15-18 inches long, receives lymph from the left side of the head, neck, chst, left upper extremity and the entire body below the ribs
left lymphatic duct
this returns lymph into the cardiovascular system by way of the left subclavian vein
cisterna chyli
the thoracic duct or left lymphatic duct begins as a dilation called..
anterior to L2
where does the cisterna chyli begin?
reservoir
what does cisterna =
lacteals
small ducts that convey lymph and dietary lipids (fats) from the villi of the small intestines to the cisterna chyli
chyle
lymph in the small intestines is referred to as..
lipids
what gives lymph in the intestines a milky (creamy) like appearance
villi
finger like projections found along the mucosal walls of the small intestines, they increase the absorption area
peyer's patches
aggregations (groups) of lymph nodes located along the entire length of the small intestines
ileum
peyer's patches are most numerous in the section of the intestines called the..
ileum
longest portion of the intestines
tonsils
masses of lymphatic tissue embedded in the mucous membrance within the oral cavity and nasopharynx
tonsils
these produce lymphocytes and filter bacteria
palatine
what we call our tonsils in back and sides of throat (pair)
lingual tonsils
pair of tonsils located at the back of the tongue
nasopharynx
upper part of throat
pharyngeal tonsil or adenoid
singular tonsil located in the upper part of the throat
spleen
largest mass of lymphatic tissue, about five inches in length
spleen
situated in hthe left hypochondriac region between the stomach and the diaphragm lateral to the liver
8 ounces
how much blood does the spleen store (if needed in an emergency it contracts forcing blood into circulation)
thymus gland
bi-lobed lymphatic organ located in the upper anterior part of the thoracic cavity, produces lymphocytes
behind the sternum and between the lungs
where is the thymus gland?