- plant anatomy
- exact: antheridial head
- exact: cabeza del anteridio (Spanish)
- exact: 造精器頭部 (Japanese)
- A disk-shaped cardinal organ part (PO:0025001) that is the apical portion of an antheridiophore (PO:0030033) and bears antheridia (PO:0025125). [source: ISBN:0962073342]
- Found in mosses and other bryophytes such as the liverwort Marchantiales.
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