In a normal menstrual cycle, your hormones â or natural body chemicals â go up and down. Sometimes there are problems with hormones. One common hormone condition that causes period problems is PCOS, or polycystic ovary syndrome. Read our information on PCOS for teens, and see your doctor if you think you may have PCOS.
Definition of Organogram. Organogram is an intuitive reflection of organization structure, one of the most common diagram to illustrate the relation among departments, superiors and subordinates vividly and briefly. It is defined as a top-bottom, with icon list, architecture diagram which can automatically increase vertical level.
home / medterms medical dictionary a-z list / tomography definition Medical Definition of Tomography Tomography: The process for generating a tomogram, a two-dimensional image of a slice or section through a three-dimensional object. Tomography achieves this remarkable result by simply moving an X-ray source in one direction as the X-ray film is moved in the opposite direction during the exposure to sharpen structures in the focal plane, while structures in other planes appear blurred. The tomogram is the picture; the tomograph is the apparatus; and tomography is the process.