1. A lateral meristem in vascular plants, including the vascular cambium and cork cambium, that forms parallel rows of cells resulting in secondary tissues.

1. A layer of cells between the xylem and the phloem that is responsible for the secondary growth of roots and stems.
2. one of the humours formerly believed to nourish the bodily organs.

1. A series of formative cells lying outside of the wood proper and inside of the inner bark. the growth of new wood takes place in the cambium, which is very soft.
2. A fancied nutritive juice, formerly supposed to originate in the blood, to repair losses of the system, and to promote its increase.

1. in civil law, exchange; the exchange of lands, money, or evidences of debt.
2. in botany, a layer of tissue formed between the wood and the bark of exogenous plants.
3. A name formerly given to a fancied nutritious humor which was supposed to repair the materials which the body is composed.

1. a formative one-cell layer of tissue between xylem and phloem in most vascular plants that is responsible for secondary growth
2. the inner layer of the periosteum