Jan 2011 Release Page

This page is under construction.....

Summary of Changes to PO Jan2011

List of New Terms

• reproductive shoot system
• gynoecium ridge
• dehiscence zone
• pollen tube cell
• papilla cell
• multicellular trichome branch cell
• archegonium egg cell
• embryo sac egg cell
• antheridium sperm cell
• pollen sperm cell.
• primordium (PO:0025127)
• phyllome primordium
• trichome
• multicellular trichome
• trichome cell
• multicellular trichome branch
• phyllome trichome
• bract trichome
• carpel trichome
• thorn
• prickle
• spine
• plant anatomical entity as a new root node
• plant anatomical space
• root parenchyma (PO:0025095): A portion of parenchyma tissue that is part of a root system.
• differentiation zone
• elongation zone
• plant axis differentiation zone (PO:0025119)
• stem internode differentiation zone (PO:0008042)
• plant axis elongation zone (PO:0025180).

Obsoleted root elongation zone, because definition was incorrect, and added new term with same name.

List of Renamed Terms

• Secretory trichome was renamed glandular trichome
• seed trichome was made the primary name for PO:0004511, (changed seed hair to exact synonym, added pubescence as related synonym)
• root differentiation zone (PO:0020135; renaming of old term differentiation zone)

List of Obsoleted Terms

• pollen tube
• pollen tube tip
• unicellular trichome branch
• root hair
• root hair tip
• papilla