... identify digestive enzymes in lipophils, a cell type implicated in external digestion and distributed uniformly throughout the ventral epithelium except for a narrow zone near its edge. We find three morphologically distinct types of gland cell. The most prevalent contains and secretes mucus, which...

... an assortment of geodesic structures. Similar structures could be used to provide novel biomimetic drug delivery vehicles. Planarian Turbellarian Rhabdite Glycosaminoglycan Tear fluid Mucus Planarians are bilaterally symmetric acoelomate, triploblastic metazoans of the phylum Platyhelminthes...