An organelle consisting of a network of tubules that functions in targeting molecules, such as receptors transporters and lipids, to the plasma membrane. [ http://www.ncbi.nlm.nih.gov/pubmed/15601896 http://www.ncbi.nlm.nih.gov/pubmed/21556374 http://www.ncbi.nlm.nih.gov/pubmed/21562044 http://www.ncbi.nlm.nih.gov/pubmed/10930469 http://www.ncbi.nlm.nih.gov/pubmed/16246101 ]