Retroauricular lymphnodes are those lymph nodes that are behind the auricles or the pinna of the ears.
The hilum is the medial depression in the kidney where the blood and lymph vessels and nerves enter.
A plexus is a network of nerves or vessels. Plexus is the typical anatomical term, but the crossword puzzle term is rete.
Properly called the trachea, the windpipe is surrounded by several structures. These anatomical structures, include the thyroid gland, lymph nodes, esophagus. carotid arteries, epiglottis and cervical vertebrae.
tiny vessels
The lymph nodes filter lymph.
lymph nodes
lymph capillary Lymph fluid is filtered in lymph nodes. Lymph nodes are along lymph vessels which that run along blood vessels. Lymph vessels draw in interstitial fluid (fluid between cells) and it them becomes lymph fluid. Lymph nodules are in connective tissue in place of high traffic and does not function as a filter because it's not along a lymph vessel.
Lymph nodes
lymph-nodes
spleen, tonsils, lymph nodes, heart, thymus,
Lymph is a tissue that diffuses into the lymphatic capillaries
A lymph node.