Summary of Changes to PO May 2011

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3/1/2011

Added new subset for Spanish language synonyms. Scope is exact synonyms.

4-12-11

• Changes in 'in vitro plant structure' (PO:0000004), and its children:

We agreed to make the in vitro structures children of their respective plant structure parents (cell, tissue and embryo) and keep "in vitro plant structure" and use a textual definition and assert dual parentage to it. This was after consultation with PATO, OBI, and GO; CM. Both of the parentage relations had to be asserted in this case because (fill in reason).

4-14-11 part_of relationships to whole plant:

Removed the part_of relationships to whole plant from: All the children of plant structure that are defined as " A plant structure...." and also plant cell.

As they are already part of a plant and can also include entities that were derived from a plant (such as the in vitro structures) or plant material such as wood, which is no longer part of a whole plant.