| A | B |
|---|
| PMS | a term used to describe changes taking place in females in the days before the menstral period begins. |
| menopause | the permanent end to menstruation |
| ovulation | the egg's leaving of the ovary |
| clitoris | female genitial at the top of the vulva filled with nerve endings and blood vessels |
| cilia | tiny hairlike structures covering the fallopian tubes |
| uterus | the female sex organ in which a baby develops |
| fallopian tubes | the female sex organs through which eggs pass to reach the uterus |
| hymen | a ring of tissue inside the opening of the vagina |
| cervix | the lower end of the uterus |
| pelvic girdle | a ring of bone that protects the female reproductive organs located inside the body |
| fertilization | the joining of the sperm with an egg |
| menarche | a female's first menstrual period |
| progesterone | a hormone responsible for preparing the uterus for possible pregnancy |
| menstruation | this is when a woman bleeds from her vagina once a month |
| vulva | female genital consisting of two inner and two outer folds of skin covering the outer opening of the vagina |
| vagina | the female sex organ through which a baby passes during birth |
| urethra | the opening through which urine leaves the female body |
| estrogen | a hormone responsible for the development of female traits |
