Lymph node
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A lymph node, or lymph gland, is a kidney-shaped organ of the lymphatic system and the adaptive immune system. A large number of lymph nodes are linked throughout the body by the lymphatic vessels. Th
Cross-section of a lymph node with sections labelled.1) Capsule; 2) Subcapsular sinus; 3) Germinal center; 4) Lymphoid nodule; 5) Trabeculae
Labeled diagram of human lymph node showing the flow of lymph
A still image from a 3D medical animation showing enlarged lymph nodes
Micrograph of a mesenteric lymph node with adenocarcinoma
Spleen
Videos
The spleen, or milt, is an organ found in almost all vertebrates. Similar in structure to a large lymph node, it acts primarily as a blood filter.
Lymph node
…advice to lose weight, exercise, keep the affected limb moist, and compress the affected area. Sometimes surgical management is also considered. The spleen and the tonsils are the larger secondary lymphoid organs that serve somewhat similar functions to lymph nodes, though the spleen filters blood cells…
A 3D medical animation still of spleen structure and exact location
Spleen seen on abdominal ultrasonography
Maximum length of spleen on abdominal ultrasonography
Micrograph of splenic tissue showing the red pulp (red), white pulp (blue nuclei in lighter background) and a thickened inflamed capsule (mostly pink – top of image). H&E stain.