Lymphatic capillaries (vasa lymphocapilldria) are the initial link - the "roots" of the lymphatic system. They are present in all organs and tissues of the human body, except for the brain and spinal cord, their membranes, the eyeball, the inner ear, the epithelial covering of the skin and mucous membranes, cartilage, the parenchyma of the spleen, bone marrow and placenta.
