| Term | Definition |
|---|---|
| Neoplasm |
An abnormal mass or colony of cells. |
| Nocturnal penile tumescence and rigidity |
A test used to monitor erections that occur naturally during sleep. This test can help determine if a man’s erectile problems are due to physical or psychological causes. |
| Non-coital behavior |
Physically stimulating activity that does not include intercourse (such as sensual massage). |
| Non-infectious vaginitis |
A form of vaginitis (infection or inflammation of the vagina) that may result as a reaction to certain substances or chemicals, such as soap, laundry detergent or fabric softener. |
| Non-semonima |
A type of testicular cancer that tends to be aggressive and occurs most often when men are in their 30s. Non-seminomas consist of more than one type of testicular cell. There are four types of non-seminomas: embryonal cell carcinomas, teratomas, teratocarcinomas and choriocarcinomas. When these non-seminomas occur in combination, they are called mixed tumors. |
| Norplant |
Six match-sized rubber capsules that are surgically implanted underneath the skin of a woman’s upper arm. The sticks contain the hormone progestin, which releases slowly into the body and prevents pregnancy for up to five years. |