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See also [[New_terms_and_obsolete_terms_Release_19]] Back to [[Release_19]] =Revised or Updated definitions and/or comments: PAE terms= * axillary shoot system (PO:0006343): A shoot-borne shoot system (PO:0004545) that develops_from an axillary bud (PO:0004709). (was develops_from a vegetative axillary bud) * axillary reproductive bud (PO:0025072): An axillary bud (PO:0004709) that develops into an reproductive shoot system (PO:0025082). * basal axillary shoot system (PO:0005001):An axillary shoot system (PO:0006343) that develops from an axillary vegetative bud (PO:0004712) that is part of a stem base (PO:0008039). (Needs further revision - [[Items_for_future_meetings]] page. * axillary bud meristem (PO:0000232): A shoot meristem (PO:0006079) formed in an axil (PO:0025224) ---- * embryo sac egg cell (PO:0025123): A plant egg cell (PO:0020094) that is part of an egg apparatus (PO:0020096). Comment: The egg apparatus is part of an embryo sac (PO:0025074). * embryo sac (PO:0025074): A megagametophyte (PO:0025279) that is located in a plant ovary ovule (PO:0025490). Comment: Produces an embryo sac egg cell (PO:0025123). * embryo sac central cell (PO:0020090): An embryo sac cell (PO:0025026) that is largest cell in a mature embryo sac (PO:0025074). ---- * laticifer cell (PO:0025031) * articulated laticifer cell (PO:0006221) * non-articulated laticifer cell (PO:0006222) * articulated laticifer (PO:0005008) ---- * placenta (PO:0025078): made it broader (any interface between a gametophyte and a sporophyte with transfer cells) * second order inflorescence (PO:0025240): fixed def'n: changed 'second order inflorescence branch' to 'second order inflorescence axis', because that is the correct term name. * leaf sinus (PO:0025384): Added comment that it can be rounded or angled. * pericarp and child terms exocarp, mesocarp, endocarp- Updated definitions: ** pericarp (PO:0009084): A portion of plant tissue (PO:0009007) that is the outer layer (wall) of a fruit (PO:0009001), and develops from a plant ovary (PO:0009072) or a carpel (PO:0009030) wall.Added comment: May be fleshy in fruits such as grape. **exocarp (PO:0009085): A portion of plant tissue (PO:0009007) that is the outer layer of a pericarp (PO:0009084). Added fruit epidermis as a synonym. ** mesocarp (PO:0009087): A portion of plant tissue (PO:0009007) that is the middle layer of a pericarp (PO:0009084). ** endocarp (PO:0009086): A portion of plant tissue (PO:0009007) that is the innermost differentiated layer of a pericarp (PO:0009084). * antheridiophore (PO:0030033): revised def'n: A stalk (PO:0025066) that supports an antheridium head (PO:0030075). Added relation has_part antheridium head (PO:0030075) * archegoniophore (PO:0030034): revised def'n: A stalk (PO:0025066) that supports an archegonium head (PO:0030034). Added relation has_part archegonium head (PO:0030034) * shoot system meristem (PO:0006079): revised def'n: A portion of meristem tissue (PO:0009013) that is part of a shoot system (PO:0009006). * shoot apical meristem (PO:0020148): revised def'n: A shoot meristem (PO:0006079) formed at the apex of the shoot axis (PO:0025029), including those originating from an axillary bud meristem (PO:0000232). ==Modified relations, PAE== see also the notes above * leaf develops_from vascular leaf primordium > vascular leaf develops_from vascular leaf primordium * archegonium egg cell part_of archegonium > archegonium egg cell located_in archegonium * petiole lamina (PO:0025129)is_a leaf lamina > petiole lamina is_a lamina * lamina (PO:0025060) is_a cardinal organ part > lamina is_a cardinal part of multi-tissue plant structure, (to allow for lamina on seeds and fruits) * tuber cortex (PO:0025055) is_a shoot axis cortex > tuber cortex is_a cortex * tuber pith (PO:0025052) is_a shoot axis pith > tuber pith is_a pith * tuber storage parenchyma (PO:0025036) part_of shoot axis tuber > tuber storage parenchyma part_of tuber (PO:0025522). Added comment: If you are annotating to this term, please add an additional annotation to either shoot axis tuber (PO:0004543) or tuberous root tuber (PO:0025476). * Removed peduncle part_of inflorescence (incorrect relation, does not work for cases of single flowers) ==New Relations- PAE:== * axillary shoot system develops_from axillary bud * cardinal organ part (is_a cardinal part of MTPS and part_of plant organ); added cross product to definition * organ margin (PO:0025005) part_of organ lamina * phyllome margin (PO:0025018) part_of phyllome lamina (latter as XP) * laticiferous cell (PO:0004005, obsolete) replaced_by laticifer cell (PO:0025031) =Updated definitions and/or comments: PSDS terms= * gametophyte development stage (PO:0028003): removed the phrase "or fertilization" from the definition, added PO ids. Added new sentence to comment. * flower development stage (PO:0007615) * fruit development stage (PO:0001002)- * collective plant organ structure development stage (PO:0025338)- modified definition and comment to include PO:ids. * whole plant fruit formation stage (PO:0007042) * whole plant fruit ripening stage (PO:0007010) * whole plant flowering stage (PO:0007016) ==New or modified relations, PSDS== * Made fruit development stage is_a plant structure development stage (instead of collective plant organ structure development stage) Added relation collective plant organ structure development stage has_participant collective plant organ structure, using intersection_of tags. Made whole plant fruit formation stage (PO:0007042) and whole plant fruit ripening stage (PO:0007010) subclasses of whole plant fruit development stage and updated their definitions. Updated names and definitions of: *(PO:0007032) whole plant fruit formation stage up to 10% *(PO:0007009) whole plant fruit formation stage 10 to 30% *(PO:0007029) whole plant fruit formation stage 30 to 50% *(PO:0007007) whole plant fruit formation stage 50 to 70% *(PO:0007027) whole plant fruit formation stage 70% to final size

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