part_of part of part of anther wall A microsporangium wall (PO:0025307) that is part of an anther (PO:0009066). Has an outer epidermis (exothecium) and an endothecium and may have additional layers. If you are annotating to this structure for Zea mays or other grasses, please also add an annotation to the corresponding floret type. Choose the most specific term possible from: spikelet floret (PO:0009082), tassel floret (PO:0006310), lower floret of pedicellate spikelet of tassel (PO:0006313), lower floret of sessile spikelet of tassel (PO:0006315), upper floret of pedicellate spikelet of tassel (PO:0006314), upper floret of sessile spikelet of tassel (PO:0006316). PO:0000002 PO:0006445 PO:0006477 PO_GIT:149 PO_GIT:298 Poaceae anther wall (narrow) Zea anther wall (narrow) pared de la antera (Spanish, exact) plant_anatomy pollen sac wall (exact) 葯壁 (Japanese, exact) anther microsporangium wall