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Adenitis
 
 
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Adenitis is a general term for an inflammation
Inflammation

Inflammation is the complex biological response of Blood vessel tissues to harmful stimuli, such as pathogens, damaged cells, or irritants. It is a protective attempt by the organism to remove the injurious stimuli as well as initiate the healing process for the tissue....
 of a gland or lymph node
Lymph node

A Lymph node is an organ consisting of many types of cells, and is a part of the lymphatic system. Lymph nodes are found all through the body, and act as filters or traps for foreign particles....
.

ervical adenitis is an inflammation of a lymph node in the neck
Neck

The neck is the part of the body on many limbed vertebrates that distinguishes the head from the torso or trunk. The scientific term signifying "of the neck" is nuchal....
.

Lymph adenitis is caused by bacterial infection in lymph nodes. The infected lymph nodes become enlarged, warm and tender. A swelling of lymph nodes due to growth of lymph cells is called lymphadenopathy
Lymphadenopathy

Lymphadenopathy is a term meaning "disease of the lymph nodes." It is, however, almost synonymously used with "swollen/enlarged lymph nodes".When the infection is of the lymph nodes themselves, it is called lymphadenitis, but when the infection is of the lymph channels, it is called lymphangitis....
.

Mesenteric adenitis is an inflammation of the mesenteric
Mesentery

In anatomy, the mesentery is the double layer of peritoneum that suspends the jejunum and ileum from the posterior wall of the abdomen. Its meaning, however, is frequently extended to include double layers of peritoneum connecting various components of the abdominal cavity....
 lymph nodes in the abdomen.






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Encyclopedia


Adenitis is a general term for an inflammation
Inflammation

Inflammation is the complex biological response of Blood vessel tissues to harmful stimuli, such as pathogens, damaged cells, or irritants. It is a protective attempt by the organism to remove the injurious stimuli as well as initiate the healing process for the tissue....
 of a gland or lymph node
Lymph node

A Lymph node is an organ consisting of many types of cells, and is a part of the lymphatic system. Lymph nodes are found all through the body, and act as filters or traps for foreign particles....
.

Classification

Cervical adenitis is an inflammation of a lymph node in the neck
Neck

The neck is the part of the body on many limbed vertebrates that distinguishes the head from the torso or trunk. The scientific term signifying "of the neck" is nuchal....
.

Lymph adenitis is caused by bacterial infection in lymph nodes. The infected lymph nodes become enlarged, warm and tender. A swelling of lymph nodes due to growth of lymph cells is called lymphadenopathy
Lymphadenopathy

Lymphadenopathy is a term meaning "disease of the lymph nodes." It is, however, almost synonymously used with "swollen/enlarged lymph nodes".When the infection is of the lymph nodes themselves, it is called lymphadenitis, but when the infection is of the lymph channels, it is called lymphangitis....
.

Mesenteric adenitis is an inflammation of the mesenteric
Mesentery

In anatomy, the mesentery is the double layer of peritoneum that suspends the jejunum and ileum from the posterior wall of the abdomen. Its meaning, however, is frequently extended to include double layers of peritoneum connecting various components of the abdominal cavity....
 lymph nodes in the abdomen. If it occurs in the right lower quadrant, it can be mistaken for acute appendicitis
Appendicitis

Appendicitis is a condition characterized by inflammation of the Vermiform appendix. It is a medical emergency. All cases require removal of the inflamed appendix, either by laparotomy or laparoscopy....
, often preceded by a sore throat.

Sebaceous adenitis is an inflammation of the sebaceous gland
Sebaceous gland

Sebaceous glands are small glands in the skin which secrete an oily matter in the hair follicles to lubricate the skin and hair of animals. In humans, they are found in greatest abundance on the face and scalp, though they are distributed throughout all skin sites except the palms and soles....
s in the skin. These glands normally produce sebum (skin oil, a lipid-rich secretion) which prevents drying of the skin.

Tuberculous adenitis (scrofula
Scrofula

Scrofula is any of a variety of skin diseases; in particular, a form of tuberculosis, affecting the lymph nodes of the neck. It is often informally or historically known as 'King's Evil', referring to the method of treatment many sufferers used, in some cases in England up to the reign of King Charles II....
) is a tuberculous infection of the skin of the neck caused by Mycobacterium tuberculosis
Mycobacterium tuberculosis

Mycobacterium tuberculosis is a pathogenic bacterial species in the genus Mycobacterium and the causative agent of most cases of tuberculosis....
. Non-tuberculous adenitis can also be caused by Mycobacterium scrofulaceum or Mycobacterium avium.