PO:0009023 leaf axil An axil that is the space between a shoot axis and a leaf that branches from the shoot axis. PMID 12730136 LAS TAIR locus:2020487 PMID 21693505 CLE42 TAIR locus:4010713679 PMID 17052323 SPY GR_gene 0080023 PO:0025263 locule A plant anatomical space that is a cavity a reproductive structure. PMID 25774204 fas SGN_gene 538 PMID 25774204 lc SGN_gene 881 PO:0025264 anther locule A sporangium locule that is part of an anther and is a cavity within a single pollen sac or two or more fused pollen sacs. PMID 16141453 UDT1 GR_gene 0080007 PO:0020025 micropyle A plant anatomical space that is enclosed by and forms an opening in an integument at the apex of an ovule. PMID 20811905 LRR XI-23 TAIR locus:2024432 PO:0006334 seed micropyle A plant anatomical space that is enclosed by and forms an opening in a seed coat at the apex of a seed and is the remnant of a micropyle. PMID 15619622 PHE1 TAIR locus:2206280 PO:0025384 leaf sinus A phyllome sinus that is a marginal embayment, incision or indentation between marginal projections of any sort, typically lobes, teeth, or the base of cordate leaves. PMID 22675210 DPA4 TAIR locus:2164215 PO:0008032 stomatal pore A plant anatomical space that forms an opening in an epidermis, flanked by two guard cells. PMID 25774204 AP2C1 TAIR At2g30020 PMID 25774204 AtCHX20 TAIR At3g53720 PMID 25774204 AtGGT1B TAIR At2g39550 PMID 25774204 GCR2 TAIR At1g52920 PMID 25774204 MYB60 TAIR At1g08810 PMID 25774204 PP2C5 TAIR At2g40180 PMID 25774204 ROP2 TAIR At1g20090 PO:0020101 stomium A plant anatomical space that is a slit in an anther lobe formed from when a dehiscence zone dehisces. PMID 17027956 WUS TAIR locus:2060902 PMID 15247409 [CMS-UR27] GR_gene 0060160