The lymphatic system is a specialized transport network in the body much like the circulatory system. The lymphatic system is composed of: Lymphatic vessels are thin-walled vessels generally larger ...

During a study of transpiration and embolism-formation in petioles of sunflower, tyloses were frequently observed in early metaxylem vessels. Tyloses were confined to the inner ends of the xylem arcs, ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...