Adenitis

Adenitis is a general term for an inflammationof a gland or lymph node. A process causing enlargement of multiple lymph nodes is termed lymphadenopathy.

Cervical adenitis an inflammation of a lymph node in the neck.

Lymph adenitis is caused by bacterial infection in lymph nodes. The infected lymph nodes become enlarged, warm and tender.

Mesenteric adenitis is an inflammation of the mesentericlymph nodes in the abdomen. If it occurs in the right lower quadrant, it can be mistaken for acute appendicitis.

Sebaceous adenitis is an inflammation of the sebaceous glands in the skin. These glands normally produce sebum(skin oil, a lipid-rich secretion) which prevents drying of the skin.

Tuberculous adenitis (scrofula) is a tuberculous infection of the skin of the neck, most often caused by mycobacteria(including M. tuberculosis) in adults. In children it is usually caused by M. scrofulaceumor M. avium.

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It uses material from the http://en.wikipedia.org/wiki/Adenitis Wikipedia article Adenitis.