both refer to movie chains (i.e., Loews, AMC Theatres) with movie theatres that screen more than one film at a time, as opposed to single-screen theatres. A multiplex has from 2 up to 16 screens, a megaplex has 16 or more screens; plex is the abbreviation for a multiplex theatre.
A morula (Latin, morus: mulberry) is an early stage embryo consisting of cells (called blastomeres) in a solid ball contained within the zona pellucida.
noun, plural fistulas, fistulae. [fis-choo-lee] /ËfÉªs tÊÊËli/ (Show IPA) 1. Pathology. a narrow passage or duct formed by disease or injury, as one leading from an abscess to a free surface, or from one cavity to another. 2. Surgery. an opening made into a hollow organ, as the bladder or eyeball, for drainage. 3. Veterinary Pathology. any of various suppurative inflammations, as in the withers of a horse (fistulous withers) characterized by the formation of passages or sinuses through the tissues and to the surface of the skin.