GENERAL HISTOLOGY

Detailed explanation-1: -Lymph (clear fluid) and lymphocytes travel through the lymph vessels and into the lymph nodes where the lymphocytes destroy harmful substances. The lymph enters the blood through a large vein near the heart.

Detailed explanation-2: -The nodes act as a filter. They trap or destroy anything harmful that the body does not need. Inside the lymph nodes are white blood cells, also called lymphocytes. These white blood cells attack and break down bacteria, viruses, damaged cells or cancer cells.

Detailed explanation-3: -Inside the lymph nodes, lymphocytes called T-cells and B-cells help the body fight infection. B cells make antibodies-special proteins that stop infections from spreading by trapping disease-causing germs and destroying them.

Detailed explanation-4: -The lymph nodes filter the lymph fluid as it passes through them. White blood cells, such as B cells and T cells, attack any bacteria or viruses they find in the lymph.