Lymph Nodes - Lymph Nodes Lymph nodes generally occur in...

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Lymph Nodes Lymph nodes generally occur in groups along the larger lymphatic vessels. They are distributed throughout the body, but they lack the tissues of the central nervous system. All lymph nodes have the primary function of the production of lymphocytes, which help defend the body against microorganisms and against harmful foreign particles and debris from lymph before it is returned to the blood stream. The major locations are in six areas: (1) the cervical region: nodes in this area are grouped along the lower border of the jaw, in front of and behind the ears, and deep in the neck along the larger blood vessels. They drain the skin of the scalp, face, tissues of the nasal cavity, and the pharynx (2) the axillary region: these nodes are in the underarm region and receive lymph from vessels that drain the arm, the walls of the thorax, the breast, and the upper walls of the abdomen; (3) inguinal region: the nodes in this area receive lymph from the legs, the outer portion of the genitalia and the lower abdominal wall; (4) the pelvic cavity: the nodes here appear mostly along the paths of the blood vessels within the pelvic cavity and receive lymph from the lymphatic vessels in the area; (5) abdominal cavity: within this area, nodes occur in
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This note was uploaded on 11/22/2011 for the course BSC BSC1085 taught by Professor Sharonsimpson during the Fall '10 term at Broward College.

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Lymph Nodes - Lymph Nodes Lymph nodes generally occur in...

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