[T]- Testes: Also known as testicles. Paired, egg-shaped glands contained in a pouch (scrotum) below the penis. They produce sperm and the male hormone testosterone.
- Testicle: Also known as testis. Either of the paired, egg-shaped glands contained in a pouch (scrotum) below the penis. They produce sperm and the male hormone testosterone.
- Testicular: Relating to the testicle (testis).
- Testicular cancer: Cancer of the testis.
- Testis: Also known as testicle. Either of the paired, egg-shaped glands contained in a pouch (scrotum) below the penis. They produce sperm and the male hormone testosterone.
- Testosterone: Male hormone responsible for sexual desire and for regulating a number of body functions.
- Tissue: Group of cells in an organism that are similar in form and function.
- Torsion: Twisting.
- Toxicity: Degree to which something is poisonous.
- Transducer: Converter of energy.
- Transplant: Replacement of a diseased organ with a healthy one. A kidney transplant may come from a living donor or from someone who has just died.
- Transrectal ultrasound: A test using sound wave echoes to create an image of an organ or gland to visually detect abnormalities.
- Transurethral: Through the urethra. Several transurethral procedures are used for treatment of BPH. (See TUIP, TUMT, TUNA or TURP.)
- Transurethral resection: Surgery performed with a special instrument inserted through the urethra.
- Transurethral resection of the prostate: Also referred to as TURP. Surgical procedure where a lighted tube with an attached electrical loop is inserted through the urethra into the prostate. Serves as a diagnostic and therapeutic role in the treatment of bladder cancer.
- Tumor: An abnormal mass of tissue or growth of cells.
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