Lymph Nodes Anal-Rectal: Anatomy, Functions and Diseases
Anorectal lymph nodes (JNA) are part of the pelvic lymphatic system. They are located around the anus and rectum and are important for the functioning of the body's immune system.
Anatomy
The anal-rectal lymph nodes are located around the anus and rectum, forming a special group of lymph nodes. They are divided into two groups - internal and external. Internal lymph nodes are located inside the rectum, and external lymph nodes are located outside it.
Functions
The anal-rectal lymph nodes perform an important function in protecting the body from infections and diseases. They are filters that trap pathogenic microorganisms, viruses and bacteria, as well as other harmful substances and toxins. In the lymph nodes, immune cells are activated, which destroy pathogens and stimulate the body's immune system.
Diseases
The anal-rectal lymph nodes can be affected by various diseases. One of the most common diseases is colorectal cancer. In this case, cancer cells can spread to the lymph nodes, which can lead to their damage and the formation of metastases. In addition, the lymph nodes can be affected by inflammatory diseases such as chronic proctitis, hemorrhoids and others.
In conclusion, the anal-rectal lymph nodes play an important role in protecting the body from infections and diseases. They are an important element of the immune system and can be affected by various diseases, including colorectal cancer. Therefore, if symptoms occur, consult a doctor for diagnosis and treatment.
Lymph nodes anal intercostal lymphatic ducts, and in lymph nodes in the tissues around the anus and anus; the second name refers to the anal nodes. The duct carries lymph from the head and neck of the penis,