For other uses, see API (disambiguation). In computer programming, an Application Programming Interface (API) is a set of subroutine definitions, protocols, and tools for building application software. In general terms, it is a set of clearly defined methods of communication between various software components.
7. epidermis. The epidermis cells (from the Greek ÎµÏÎ¯Î´ÎµÏÎ¼Î¯Î´Î±, meaning over-skin) is a single-layer of cells that covers the leaves, flowers, roots and stems of plants.It forms a boundary between the plant and the external environment.tomata are holes in the plant epidermis that are surrounded by two guard cells, which control the opening and closing of the aperture. These guard cells are in turn surrounded by subsidiary cells which provide a supporting role for the guard cells. Stomata begin as stomatal meristemoids.
The epidermis of a plant is the single, clear layer of cells that cover the roots, stems, flowers, fruits, and leaves. It acts like a protective covering from the sun, temperature changes, and moisture changes in the environment.Often a waxy coating, called a cuticle, adds an extra layer of protection.erry has a master's degree in environmental communications and has taught in a variety of settings. The epidermis of a plant is often overlooked, but it's an important barrier between the elements and the other tissues. Here, you'll learn about the structure and functions of the upper epidermis of a leaf.