transporting cell
http://purl.obolibrary.org/obo/CL_0000627
A cell involved in transporting nutrients, minerals, water, gases and other chemicals between cells for a variety of purposes including conveying nutrition to other tissues, removing waste products from the tissues, conveying gases for respiration, distributing heat and repelling invasion of foreign substances. [ http://arabidopsis.org/servlets/TairObject?type=communication&id=sr ]