| A | B |
|---|
| climacteric | period of years when women's ability to reproduce declines |
| menopause | final menustrual period |
| puberty | period during which the secondary sexual characteristics develop and the ability to procreate is attained |
| smegma | cheeselike sebaceous substance that collects under the foreskin and is easily removed with basic hygiene |
| spermatogenesis | normal sperm production |
| scrotum | a sac that contains the testes |
| testosterone | most abundant male hormone with variety of functions |
| semen | combination of seminal plasma and sperm |
| fourchette | fold of tissue just below vagina known as obstetrical perineum |
| rugae | transverse ridges of the mucous membrane lining |
| embryo | fertilized ovum developing during the first 3 to 8 weeks of gestation |
| zygote | fertilized ovum |
| dyspareunia | painful intercourse |
| internal os | opening near uterine corpus |
| external os | opening of the cervix into the vaginal area |
| menarche | beginning of menustration |
| oxytocin | important in stimulating contractions of the uterus and dilation of the cervix |
| ovulation | when a mature ovum is released from the follicle about 14 days before onset of next menstrual period |
