Medical Definition of melena. : the passage of dark tarry stools containing decomposing blood that is usually an indication of bleeding in the upper part of the digestive tract and especially the esophagus, stomach, and duodenumâcompare hematochezia.
A forecast analyst's job is to research how to capitalize on existing trends as well as identify new and developing trends and sales opportunities in the market. A bachelor's degree is necessary for most forecast analysis positions, and a master's degree is often preferred for higher-level roles. Source: *U.S.
Job shadow. Job shadowing (or work shadowing) is a popular on-the-job learning, career development, and leadership development program. It involves working with another employee who might have a different job in hand, might have something to teach, or can help the person shadowing him or her to learn new aspects related to the job, organization, certain behaviors or competencies.