participates_in participates in stalk sporophyte development stage seta Found in some bryophytes, especially mosses and liverworts. PO_GIT:292 plant_anatomy setae (related, plural) A stalk (PO:0025066) that supports a spore capsule, the sporangium (PO:0025094). 2011-04-12T10:25:45Z とげ、剛毛、コケの柄 (Japanese, exact) seta (Spanish, exact) PO:0030032 rwalls