SEX GLOSSARY (Sep, 1965)
Monster. Is that a technical term?
MONOZYGOTIC TWINS. Twins which develop from one fertilized egg and therefore have identical inherited characteristics.
MONS VENERIS. The pubic mound; the slight prominence above the female vulva that is covered with pubic hair.
MONSTER. A child born grossly malformed; most do not survive.
MORNING ERECTIONS. Penile erections which a man awakens with in the morning. These frequently occur even in men who are otherwise impotent.
MORNING SICKNESS. The nausea which often occurs during the mornings to women in the first months of pregnancy.
MORULA. The “mulberry mass” of cells formed shortly after an egg becomes fertilized by a sperm, when the cells begin to divide and before they become implanted in the womb.
MOTILITY. Ability to move; a term often used in connection with sperm since they must have the ability to propel themselves through the female reproductive tract in order to reach the egg.
MUCOUS MEMBRANE. Tissue which secretes mucus; such tissue lines the urinary tracts, the vagina and other passages of the body.
MUTATION. An offspring which differs markedly from its parents in a particular respect because of a change that has occurred in the hereditary material.
NAVEL. The recession or scar on the surface of the abdomen caused by the removal of the umbilical cord at birth; the “belly-button.”
NECROPHILIA. An emotional sickness in which the sex drive is directed toward corpses.