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Lymphatic System
description
10
Anatomy
Undergraduate 1
04/25/2016

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Term
functions of the lymphatic system
Definition
drains excess interstitial fluid-return to blood stream to help maintain normal blood volume;
immune response-produce, maintain, and distribute lymphocytes;
provide an alternate transportation route for hormones, nutrients, and waste products
Term
edema=selling of the tissue fluid
Definition
what happens when the lymphatic circulation is blocked
Term
left lymphatic duct
Definition
this lymphatic duct covers 3/4 of the body; the left side of the head, left side of the neck, left side of thorax; and both of the bodies lower limbs
Term
left internal jugular vein and the left subclavian vein
Definition
where does the left lymphatic duct drain into ?
Term
right lymphatic duct
Definition
this lymphatic duct covers the right side of head, neck, and thorax (right upper quadrant of the body)
Term
drains lymph at the junction of the right internal jugular vein and subclavian vein
Definition
where does the right lymphatic duct drain lymph?
Term
1. bone marrow
2. thymus gland
3. lymph nodes
4. spleen
5. tonsils
6. nodgles (vermiform appendix)
Definition
what are 6 lymph organs? (produce WBC called lymphocytes that fight infection)
Term
1. lingual tonsils (2)-base of tongue
2. palatine tonsils (2)- fossi's
3 pharyngeal tonsil-adenoids
Definition
what are the 3 different types of tonsils?
Term
thymus
Definition
bilobed; in mediastinum:anterior to trachea and great vessels; during childhood;70g in infants-after puberty it shrinks and is replaced by fat tissue-then weights about 3g; part of endocrine system (produces hormones) and lymphatic system because it produces lymphocytes; will lead into development of other lymphatic organs
Term
spleen
Definition
in abdominal cavity; not a digestive organ; largest mass of lymphoid tissue in body; size of fist; upper left quadrant in body; superior surface is very smooth and its convex-conforms to concavity surface of diaphragm; filters blood-removing blood borne antigens; removes debris and foreign materials; produces lymphocytes; removes old RBCs (after 120 days)-end product is removed by liver (bilirubin breakdown of hemoglobin); stores about 1/3 of body's platelets; site of blood cell production during fetal development (homeotoposeosis)
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