Skip to content

    Erectile Dysfunction Health Center

    Font Size

    Erectile Dysfunction: Glossary of Terms


    Meatus: The opening at the tip of the penis where urine and semen are discharged.

    MUSE: The brand name of the intraurethral form of the medication alprostadil.

    Neurologist: A medical specialist with advanced training in the diagnosis and treatment of diseases of the brain, spinal cord, nerves and muscles.

    Neurological disorders: Those disorders that affect the brain, spinal cord, nerves or muscles.

    Nonsteroidal anti-inflammatory drugs (NSAIDs): Medications used to treat inflammation of the body's tissues.

    Nocturnal penile tumescence and rigidity testing: 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.

    Orgasm: Sexual climax.

    Parenteral: Taken into the body in a way other than the digestive tract, usually injected in a muscle or vein.

    Penile biothesiometry: A test that uses electromagnetic vibration to determine sensitivity and nerve function of the penis.

    Penile implant: An inflatable penile prosthesis surgically placed in the penis. It allows a man to have an erection whenever he chooses.

    Penile injection: A medication that is injected into the penis in order to produce an erection.

    Performance anxiety: When a person anticipates some sort of problem occurring during sex.

    Peyronie's disease: A condition in which a plaque, or hard lump, forms in the corpora cavernosa of the penis. The hardened plaque reduces flexibility, causing pain and forcing the penis to bend or arc during erection.

    Pituitary gland: Endocrine gland at the base of the brain that produces hormones that control other glands and many body functions, including growth.

    Premature ejaculation : Ejaculation that occurs rapidly and sooner than desired, usually before or soon after penetration.

    Priapism: A persistent, often painful erection that can last from several hours to a few days.

    Promescent: A drug used to treat premature ejaculation. The topical spray is applied to the penis and contains lidocaine, reducing sensitivity and allowing for more ejaculation control.

    Prostate cancer: Marked by abnormal growth of cells in the prostate, it is the most common form of cancer in American men (after skin cancer) and the second leading cause of cancer death in men.

    Today on WebMD

    handsome midadult man
    11 tips to protect your erection.
    man and woman on beach
    How much do you know about ED?
    stress in bed
    Things that can deflate erections.
    senior couple hugging
    How medications work.
    concerned man
    stress in bed
    Life Cycle of a Penis
    Mens Body Problem
    bored man
    Lamm Erections Over Life
    Food Men 10 Foods Boost Male Health
    senior couple hugging

    WebMD Special Sections