The radiation pattern. depends on the number and the type of elements be-. ing used, and the physical and electrical structure of. the array. Numerous variations of antenna structures, as well as the type of elements are available, but for. simplicity only one kind of element is used in the. whole array structure [2].
Answer by MelindaS (1694) Actually, a gland is a more specific name for an organ. An organ is any specialized group of cells that together perform a certain function. A gland is a type of organ that produces a hormone. An example of a gland would be your thyroid, pituitary, or your pancreas. They produce different hormones.
(February 2012). A gland is an organ in an animal's body that synthesizes a substance such as hormones for release into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland).lands are classified according to their shape. 1  If the gland retains its shape as a tube throughout it is termed a tubular gland. 2  In the second main variety of gland the secretory portion is enlarged and the lumen variously increased in size. 3  These are termed alveolar or saccular glands.