where do axillary lymph nodes drain?
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The axillary lymph nodes, also known commonly as axillary nodes, are a group of lymph nodes in the axilla and receive lymph from vessels that drain the arm, the walls of the thorax, the breast and the upper walls of the abdomen.
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Lymph is present throughout the body, and circulates through lymphatic vessels. These drain into and from lymph nodes – afferent vessels drain into nodes, and efferent vessels from nodes. When lymph fluid enters a node, it drains into the node just beneath the capsule in a space called the subcapsular sinus.
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Some lymph nodes are deep inside the body, such as between the lungs or around the bowel, to filter fluid in those areas. The lymph fluid slowly flows in from all around the body, making its way back to the chest.
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The right lymphatic duct drains lymph from the right upper limb, right side of thorax and right halves of head and neck. The thoracic duct drains lymph into the circulatory system at the left brachiocephalic vein between the left subclavian and left internal jugular veins.
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Swollen lymph nodes in your neck and armpits. Swollen tonsils.
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Lymph nodes are small bean-shaped glands that vary in size; they are an important part of your immune system. Lymph nodes can be found alone or in groups in several areas of the body, including the under arm area; it is also normal to have lymph nodes within the breast.
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The lymph nodes and spleen As the immune system fights the virus, the lymph nodes swell. The swelling can occur in any lymph node, but those in the neck and armpits are usually the most prominent. They may be tender.
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The majority of the upper extremity lymph nodes are located in the axilla. They can be divided anatomically into 5 groups: Pectoral (anterior) - 3-5 nodes, located in the medial wall of the axilla.
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Lymph nodes are located throughout your body, including your neck, armpits, groin, around your gut, and between your lungs. Lymph nodes drain lymph fluid from nearby organs or areas of your body.
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Many lymph nodes are located in your head and neck region. Lymph nodes that frequently swell are in this area, as well as in your armpits and groin area.
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The lymph nodes contained within level 5 of the neck include the supraclavicular nodes [4]. It is known that occipital and mastoid, lateral neck, scalp, nasal pharyngeal regions drain to level 5 nodes. Large level 5 nodes may contain metastases from nasopharyngeal and thyroid primary malignancies [4].
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During an axillary lymph node dissection, most lymph nodes under the arm are removed and examined for signs of cancer. Because more lymph nodes are looked at, the doctor may have more evidence of whether the cancer has spread.
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They are located all over the body, both on the inside and the outside. The easiest to find are external lymph nodes located on either side of the base of the jaw, in front of the shoulder, along the chest wall where the arm attaches (arm pit), inguinal area (between the back legs) and behind the knee.
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There are more than 20 lymph nodes (small lumps of tissue that are part of the body's lymphatic system, which helps fight infection) in the armpit. These lymph nodes normally cannot be felt through the skin. The armpits have a high concentration of hair follicles and sweat glands.
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Lymphedema. A possible long-term effect of lymph node surgery is swelling in the arm or chest called lymphedema. Because any excess fluid in the arms normally travels back into the bloodstream through the lymphatic system, removing the lymph nodes sometimes blocks drainage from the arm, causing this fluid to build up.
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In oncology, a lymph node that drains lymph from the region around a tumor.
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['Lymphatic Vessels. their function is to pick up excess tissue fluid, called lymph and return it to the bloodstream.', 'Lymphnodes. ... ', 'Other Lymphatic Organs. ... ', 'Spleen. ... ', 'Thymus. ... ', 'Tonsils. ... ', "Peyer's Patches. ... ", 'Bone Marrow.']