A device that produces light for a fiber optic lighting system, which also is made up of fiber optic fibers and sometimes fixtures used at the ends of the fibers to direct the light in a specified manner. The light source used in an illuminator is usually an MR halogen lamp, an MR metal halide lamp, or an LED lamp.
There are two types of vascular tissue: xylem, which moves water, and phloem, which moves food. These structures are arranged differently in monocots and dicots. In monocots, which are flowering plants with only one seed leaf, the xylem and phloem are found in paired bundles throughout the stem.
Cells and Tissues of the Plant (Angiosperm) Body. The vascular plant sporophyte is usually composed of three kinds of vegetative organs: stems, leaves, and roots. In this lab, you will learn about the various cells and tissues that. make up these organs. A tissue is a group of cells that are structurally and/or functionally distinct, and that.