MICROANATOMY

Detailed explanation-1: -Lymph nodes vary in size. Some are as small as a pinhead, and others are about the size of a baked bean. The number of lymph nodes in the body differs from person to person.

Detailed explanation-2: -A normal lymph node is ovoid in shape, hypoechoic to the adjacent muscle and frequently contains an echogenic fatty hilum (Fig. 1a). The hilum is a linear, echogenic, non-shadowing structure that contains the nodal vessels and it appears continuous with the fat around the node.

Detailed explanation-3: -Listen to pronunciation. (limf node) A small bean-shaped structure that is part of the body’s immune system. Lymph nodes filter substances that travel through the lymphatic fluid, and they contain lymphocytes (white blood cells) that help the body fight infection and disease.

Detailed explanation-4: -Lymph nodes are small oval clumps of lymphatic tissue found at intervals along the lymphatic vessels. They are grouped like ‘beads on a string’ both deep in the body and near the surface (see Diagram 1). These lymph nodes filter out harmful organisms and cells from the lymph before it is returned to the blood stream.