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.
long gestational period ,few offspring, internal development , small zygotes. Cleavage. the process by which the zygote rapidly divides without growing to become multicellular. morula. an embryonic stage consisting of a solid, compact mass of sixteen or more cells. inner cell mass. the internal cells of a morula or blastocyst. trophoblast cells. the external cells of a morula or blastocyst. Blastula.