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.
Definition. A doula is an assistant who provides physical as well as emotional support during childbirth. She helps women in a non-medical capacity. A midwife is a qualified professional from an institution of her country, which enables her to help a pregnant woman in delivering a baby. Duties. Prenatal Doula aids with chores before the birth of the child. Childbirth Doula helps the mother during labor and childbirth.