San Diego Vasectomy


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Anatomy & Terms
What is a Vasectomy
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Anatomy and Terms

To understand Vasectomy, we should understand the basic terms for the anatomy of that region of the body:

Testicle - one of two male reproductive glands that is the site of sperm and male hormone (testosterone) production. It is also known as the "Testis". Both testicles (or testes) lie within the scrotum.

Epididymis - storage unit for sperm. Sperm also mature within this structure. There is one epididymis attached to the back side of each testicle, from where the epididymis also transports sperm to the vas deferens.

Vas Deferens - a muscular tube (14 inch long by 0.1 inch wide) that propels sperm to the urinary tract. There are two of these. Each is also referred to as the "Vas" ("Vasa" is plural).

Semen - a mixture of less than 1% sperm cells and 99% seminal secretions by volume. The volume of each ejaculate of semen is approximately 2 to 6 cc. Each cc of semen normally contains approximately 100 MILLION sperm cells.

Seminal Vesicle - a gland that produces a component
of seminal secretions. There are two seminal vesicles.

Prostate - another gland that contributes to seminal secretions.

Bladder - a muscular, elastic pouch that serves to store and expel urine.

Urethra - a passageway for semen and urine through the penis to the outside of the body.

Other Vasectomy Terms:

Vasectomy refers to:

"Vas-" (or vas deferens) = one of the two small tubes for sperm transport.

"-ectomy" = in this case, cutting and blocking off of the vas. A section of the vas may or may not be cut out. (Other examples of "-ectomy" include appendectomy and tonsillectomy).

NSV = No-Scalpel Vasectomy


Illustration by Tay McClellan, 1999, 2000.


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Dr. Ted Benderev is a well known urologist who has performed more than 3,000 vasectomy and vasectomy reversal procedures. His practice is conveniently located for the Orange County communities of Aliso Viejo, Anaheim, Costa Mesa, Corona, Fountain Valley, Foothill Ranch, Fullerton, Huntington Beach, Irvine, Ladera Ranch, Laguna Hills, Laguna Niguel, Mission Viejo, Newport Beach, Orange, Rancho Santa Margarita, San Juan Capistrano, Santa Ana, San Clemente, Tustin, Westminster, and adjacent counties of Riverside, San Diego and Los Angeles.

The content of this site is provided for information only and not for medical advice.  This site makes no claims as to the accuracy of its information and is not a substitute for direct consultation with your health care professional.