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forcible, sudden expulsion; especially expulsion of semen from the male urethra, a reflex action that occurs as a result of sexual stimulation. adj., adj ejac´ulatory. The three components of semen are expelled in quick succession. First to emerge is a lubricating fluid produced by the bulbourethral glands in the penis; next comes a fluid released into the urethral channel by the prostate, providing a neutral medium within which the sperm cells can swim; and lastly, the spermatic fluid, which has been stored in the seminal vesicles, is likewise injected into the urethral channel and ejaculated. See also reproduction.
premature ejaculation ejaculation consistently occurring either prior to, upon, or immediately after penetration and before desired, taking into account factors such as age, novelty of the specific situation and recent frequency of sexual activity.
retarded ejaculation male orgasmic disorder.
retrograde ejaculation ejaculation with discharge of the semen into the bladder rather than through the urethra to the outside. It often occurs after prostatectomy or spinal cord injury.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
delivery of semen ejaculate into the bladder; seen in neurologic disease, diabetes, and occasionally after prostate surgery.
Farlex Partner Medical Dictionary © Farlex 2012
Ejaculation in which the discharged seminal fluid travels up toward the bladder instead of outside the body through the urethra.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
retrograde ejaculationUrology A benign clinical condition characterized by entry of semen into the bladder rather than through the urethra during ejaculation Etiology Prostate or urethral surgery, DM, drugs–eg, antihypertensives and psychotropics. See Ejaculation.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
ret·ro·grade e·jac·u·la·tion(ret'rō-grād ē-jak'yū-lā'shŭn)
Delivery of semen ejaculate into the bladder; seen in neurologic disease, diabetes, and occasionally after prostate surgery.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
retrograde ejaculationThe passage of seminal fluid into the bladder during the male orgasm. This is due to failure of closure of the internal urethral sphincter as a result of injury during prostatectomy, damage to the sympathetic nerves in the region during local surgery, spinal injury or diabetic neuropathy. Infertility may result but various measures may be used to overcome this.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
A condition in which the semen spurts backward into the bladder.
Mentioned in: Sexual Dysfunction
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.