The following glossary is adapted from the glossary provided by Planned Parenthood at https://www.plannedparenthood.org/learn/glossary.
Temperature method: A fertility awareness-based method for predicting fertility in which women chart when ovulation occurs by taking their temperature every morning before getting out of bed. Can be used for contraception or for planning pregnancy.
Tertiary syphilis: The third phase of the infection during which multiple organ damage and failures occur.
Testes: Two ball-like glands inside the scrotum that produce hormones, including testosterone. Each testis also encloses several hundred small lobes, which contain the tiny, threadlike seminiferous tubules that produce sperm. Also called “testicles,” the testes are sensitive to the touch.
Testicles: See testes.
Testosterone: An androgen that is produced in the testes of men and in smaller amounts in the ovaries of women.
Thelarche: The time when a girl’s breasts begin to develop.
Triphasic combination pill: An oral contraceptive with varying doses of estrogen and progestin during a 28-day cycle.
Tubal ligation: Surgical blocking of the fallopian tubes by tying them off. A form of tubal sterilization.
Tubal sterilization: Blocking of the fallopian tubes by any of a variety of methods.
Tubectomy: The surgical removal of a fallopian tube.
Tumescence: Erection and enlargement of the sex organs, especially the clitoris and penis, during sexual arousal.
Two-day method: A cervical mucus method of birth control in which a woman observes whether or not she has had cervical mucus two days in a row. A fertility awareness-based method of contraception.
Tyson’s glands: The organs that secrete a fluid that combines with bacteria and body oils to form smegma. Several are located under the foreskin and clitoral hood. Others are located under the corona of the glans of the penis and on either side of the frenulum. Also called preputial glands.