- Immune system node - A spring of water; hence, water, or a pure, transparent
liquid like water. - An alkaline colorless fluid, contained in the lymphatic
vessels, coagulable like blood, but free from red blood corpuscles. It
is absorbed from the various tissues and organs of the body, and is
finally discharged by the thoracic and right lymphatic ducts into the
great veins near the heart. - A fibrinous material exuded from the blood vessels in
inflammation. In the process of healing it is either absorbed, or is
converted into connective tissue binding the inflamed surfaces
together.