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Cork cambium (pl.: cambia or cambiums) is a tissue found in many vascular plants as a part of the epidermis. It is one of the many layers of bark , between the cork and primary phloem . The cork cambium is a lateral meristem and is responsible for secondary growth that replaces the epidermis in roots and stems .
There are two types of secondary meristems: the vascular cambium and the cork cambium. Vascular cambium, which produces secondary xylem and secondary phloem. This is a process that may continue throughout the life of the plant. This is what gives rise to wood in plants. Such plants are called arboraceous.
Because this growth ruptures the epidermis of the stem, woody plants also have a cork cambium that develops among the phloem. The cork cambium gives rise to thickened cork cells to protect the surface of the plant and reduce water loss. Both the production of wood and the production of cork are forms of secondary growth.
Between 2004 and 2013, the World Bank committed to lend or give at least $338 billion, according to bank data. Its private-lending affiliate, the International Finance Corporation, committed to invest at least $116 billion during the same period in corporations and other banks in pursuit of the overall goal of alleviating poverty.
A cambium (pl.: cambiums or cambia), in plants, is a tissue layer that provides partially undifferentiated cells for plant growth. It is found in the area between xylem and phloem . A cambium can also be defined as a cellular plant tissue from which phloem, xylem, or cork grows by division, resulting (in woody plants) in secondary thickening.
WASHINGTON (Reuters) -U.S. President Joe Biden pledged a $4 billion U.S. contribution to the World Bank's International Development Association fund for the world's poorest countries, a senior ...
Secondary growth thickens the stem and roots, typically making them woody.Obstructions such as this metal post and stubs of limbs can be engulfed. In botany, secondary growth is the growth that results from cell division in the cambia or lateral meristems and that causes the stems and roots to thicken, while primary growth is growth that occurs as a result of cell division at the tips of stems ...
The World Bank has admitted “shortcomings” in its protections for people displaced by projects the bank supports. It says it is working to improve its policies and how it enforces them. The bank also says protecting people in the way of big projects is a “cornerstone” of its efforts to “end extreme poverty and promote shared ...