part_of part of part of anther dehiscence zone plant_anatomy PO:0005011 A dehiscence zone (PO:0025092) that is part of an anther (PO:0009066). 開葯帯 (Japanese, exact) zona de dehiscencia de la antera (Spanish, exact) Extends along the entire length of the anther and is observed as an indentation between the locules of each theca. Upon anther maturation, cell separation within the dehiscence zone allows the anther wall to break open and pollen to be released. anther dehiscence zone