Apical meristem
Apical Meristem
The Apical Meristem (/ˈæpɪkəl ˈmɛrɪstəm/; from Latin apex, "top", and Greek meristos, "divisible") is a type of meristem that is located at the apex, or tip, of a plant. It is responsible for the vertical growth of the plant and the formation of new shoots and roots.
Etymology
The term "Apical Meristem" is derived from the Latin word apex, which means "top", and the Greek word meristos, which means "divisible". This refers to the location of the meristem at the top of the plant and its ability to divide and form new cells.
Function
The Apical Meristem is responsible for the primary growth of a plant, which includes the elongation of the plant body and the formation of new organs such as leaves and flowers. It achieves this through a process known as cell division, where it divides and forms new cells.
Types
There are two types of Apical Meristems: the Shoot Apical Meristem (SAM) and the Root Apical Meristem (RAM). The SAM is located at the tip of the shoot and is responsible for the formation of leaves and flowers. The RAM, on the other hand, is located at the tip of the root and is responsible for the formation of new roots.
Related Terms
- Meristem: A type of plant tissue that is capable of dividing and forming new cells.
- Cell Division: The process by which a cell divides into two or more cells.
- Shoot: The part of a plant that grows above the ground, including the stem, leaves, and flowers.
- Root: The part of a plant that grows below the ground and absorbs water and nutrients from the soil.
External links
- Medical encyclopedia article on Apical meristem
- Wikipedia's article - Apical meristem
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