| A | B |
| amenorrhea | absence of menstruation |
| menarche | time when menstruation begins |
| dysmenorrhea | difficult or painful menstruation |
| circumsicion | removal of the foreskin of the penis |
| ectopic pregnancy | implantation of a fertilized egg outside of the uterus |
| epidydimus | portion of the seminal duct lying posterior to the testes; connected by the efferent ductulis of each testis |
| fertilization | the process of the union of the egg and sperm |
| endometriosis | the presence of endometrium which is normally confined to the uterine cavity in other areas of the pelvic cavity |
| gamete | a mature reproductive cell |
| impotence | inability to sustain an erection |
| infertility | incapable of reproduction |
| mieosis | cell division of gamete or cell; ther is a reduction in the number of chromosomes |
| chlamydia | a sexually transmitted disease caused by Chlamydia trachomatis organism |
| gonorrhea | an infectious disease of the genirourinary tract caused by gonococcus, transmitted mainly by sexual contact |
| hysterectomy | partial or total surgical removal of the uterus |
| menopause | physiologic termination of menstruation, generally between 50 and 55 years |