The contents of the sieve-plate pores in Aristolochia.
D002462:Cell Membrane; D004721:Endoplasmic Reticulum; D006651:Histocytochemistry; D008854:Microscopy, Electron; D059828:Plant Cells; D010940:Plant Proteins / Q000032:analysis; D010944:Plants / Q000032:analysis
D010940:Plant Proteins