MICROANATOMY

Detailed explanation-1: -Lymph nodes play an important part in the body’s defense against infection. Swelling might occur even if the infection is trivial or not apparent. Swelling of lymph nodes generally results from localized or systemic infection, abscess formation, or malignancy.

Detailed explanation-2: -This can occur with certain viruses and with bacterial infections. Often, after an infection has passed, a lymph node or group of nodes that reacted to the infection can remain enlarged for months (reactive adenopathy).

Detailed explanation-3: -Swollen glands are usually a sign the body is fighting an infection. They usually get better by themselves in two to three weeks.