Use this term in a sentence. â 1  The certificate of analysis was in and we were all wondering exactly what it meant and how it worked for us. â 2  Our new frozen pizza was reviewed by the FDA and after a few days, we received a certificate of analysis describing the issues they had with our manufacturing process.
1 A rare cause of axillary swelling may be breast cancer or lymphoma. 2  The lymph nodes in the groin (femoral or inguinal lymph nodes) may swell from an injury or infection in the foot, leg, groin, or genitals. 3  In rare cases, testicular cancer, lymphoma, or melanoma may cause a lump in this area.ymph nodes are small, bean-shaped glands throughout the body. They are part of the lymph system, which carries fluid (lymph fluid), nutrients, and waste material between the body tissues and the bloodstream.
Lymph nodes are small round organs that are part of the bodyâs lymphatic system. They are found widely throughout the body and are connected to one another by lymph vessels. Groups of lymph nodes are located in the neck, underarms, chest, abdomen, and groin. A clear fluid called lymph flows through lymph vessels and lymph nodes. Anatomy of the lymphatic system, showing the lymph vessels and lymph organs, including lymph nodes, tonsils, thymus, spleen, and bone marrow. One inset shows the structure of a lymph node and the lymph vessels, with arrows showing how lymph and immune cells called lymphocytes move into and out of the lymph node.