You are here
Glossary of Plant Anatomy
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
obturator [PO:0020029; plant anatomy term ]
An outgrowth of the funicle, that forms a bridge between the micropyle and other tissues.
More
An outgrowth of the funicle, that forms a bridge between the micropyle and other tissues.
More
oil gland [PO:0005669; plant anatomy term ]
A gland or a cavity lined with cells that secrete oils.
More
A gland or a cavity lined with cells that secrete oils.
More
ordinary companion cell [PO:0025459; plant anatomy term ]
A companion cell (PO:0000400) that lacks cell wall invaginations and has few or no plasmodesmata connecting it to adjacent mesophyll cells.
More
A companion cell (PO:0000400) that lacks cell wall invaginations and has few or no plasmodesmata connecting it to adjacent mesophyll cells.
More
organ lamina [PO:0025513; plant anatomy term ]
A lamina (PO:0025060) that is part of a plant organ (PO:0009008).
More
A lamina (PO:0025060) that is part of a plant organ (PO:0009008).
More
organ margin [PO:0025005; plant anatomy term ]
A cardinal organ part that is the edge of an organ and the area immediately internally adjacent to it.
More
A cardinal organ part that is the edge of an organ and the area immediately internally adjacent to it.
More
organogenic callus [PO:0006090; plant anatomy term ]
A cultured plant callus that is capable of forming plant organs.
More
A cultured plant callus that is capable of forming plant organs.
More
outer integument [PO:0020023; plant anatomy term ]
One of the two layers of tissue that usually cover the ovule, contiguous to the inner integument and usually involved in forming the micropyle at the apex.
More
One of the two layers of tissue that usually cover the ovule, contiguous to the inner integument and usually involved in forming the micropyle at the apex.
More
outer integument epidermis [PO:0006045; plant anatomy term ]
The epidermis of the outer integument in an ovule.
More
The epidermis of the outer integument in an ovule.
More
outer vascular cambium [PO:0004522; plant anatomy term ]
Cambium at the outer margin of the xylem cylinder.
More
Cambium at the outer margin of the xylem cylinder.
More
ovary epidermis [PO:0006063; plant anatomy term ]
A portion of epidermis that is part of an ovary.
More
A portion of epidermis that is part of an ovary.
More
ovary placenta [PO:0020001; plant anatomy term ]
A portion of placenta tissue that is part of an ovary and to which ovules are attached.
More
A portion of placenta tissue that is part of an ovary and to which ovules are attached.
More
ovary replum [PO:0025272; plant anatomy term ]
A portion of ovary placenta tissue that divides an ovary into two or more chambers and develops from contact of the placental tissue from opposite sides of the ovary early in gynoecium development.
More
A portion of ovary placenta tissue that divides an ovary into two or more chambers and develops from contact of the placental tissue from opposite sides of the ovary early in gynoecium development.
More
ovary wall [PO:0005022; plant anatomy term ]
A wall of an ovary that is composed of abaxial (outer) and adaxial (inner) epidermis and a middle layer, composed of mesophyll cells and a distinct subepidermal adaxial cell layer (as found in Arabidopsis).
More
A wall of an ovary that is composed of abaxial (outer) and adaxial (inner) epidermis and a middle layer, composed of mesophyll cells and a distinct subepidermal adaxial cell layer (as found in Arabidopsis).
More
ovule primordium [PO:0000018; plant anatomy term ]
A floral structure primordium (PO:0025477) that is committed to the development of an ovule (PO:0020003).
More
A floral structure primordium (PO:0025477) that is committed to the development of an ovule (PO:0020003).
More
ovuliferous scale ovule [PO:0025491; plant anatomy term ]
A plant ovule (PO:0020006) that is part of an ovuliferous scale (add).
More
A plant ovule (PO:0020006) that is part of an ovuliferous scale (add).
More
Plant Ontology (PO) by www.plantontology.org is licensed under a Creative Commons Attribution 4.0 International License. Based on a work at www.plantontology.org.
Plant Ontology is an international collaborative effort and is supported by primary funding (IOS:0822201 award) from the National Science Foundation of USA.
Website mirror 