Male Male Genital Genital

TractTract

Color Code: (page 491)Color Code: (page 491)

Testes: BTestes: B Seminal Ves: ESeminal Ves: E Epididymis: CEpididymis: C Prostate: iProstate: i Vas Deferens: DVas Deferens: D Bulbourthral: HBulbourthral: H Ejaculatory Duct: FEjaculatory Duct: F Urethra: GUrethra: G Prepus (Prepuce): Around glansPrepus (Prepuce): Around glans Glans: Labeled Glans: Labeled

TestesTestes

Primary male Primary male reproductive organreproductive organ

Sperm producing Sperm producing organ.organ.

EpididymisEpididymis

Coiled Tubules Coiled Tubules Seminiferous Tubules Seminiferous Tubules Epididymis Epididymis Vas Vas DeferensDeferens

Vas DeferensVas Deferens

Tube that connects:Tube that connects:Epididymis Epididymis Vas Deferens Vas Deferens Urethra Urethra

What happens with a vasectomy?What happens with a vasectomy? A vasectomy can be performed under A vasectomy can be performed under

local anaesthetic. During a vasectomy, the local anaesthetic. During a vasectomy, the scrotum is cut on both sides and the vas scrotum is cut on both sides and the vas deferens drawn out. The exact surgical deferens drawn out. The exact surgical procedure varies slightly but usually procedure varies slightly but usually involves the vas deferens being cut and a involves the vas deferens being cut and a small piece removed, with the ends being small piece removed, with the ends being tied and /or sealed using heat. tied and /or sealed using heat.

Ejaculatory DuctEjaculatory Duct

Where sperm enters the Where sperm enters the urethra. urethra.

Where Vas Deferens and Where Vas Deferens and duct of the Seminal Vesicles duct of the Seminal Vesicles combinecombine

UrethraUrethra

Tube leaving the body:Tube leaving the body:Bladder Bladder Outside Outside

Case reportCase report A 66-year-old white man presented to a local A 66-year-old white man presented to a local

emergency department with fever and severe emergency department with fever and severe dysuria. He was admitted for antibiotic treatment dysuria. He was admitted for antibiotic treatment of urosepsis. CT was performed and identified a of urosepsis. CT was performed and identified a tubular metallic object in the patient’s urethra. tubular metallic object in the patient’s urethra. After discharge from the hospital, the patient After discharge from the hospital, the patient was referred for definitive urologic evaluation of was referred for definitive urologic evaluation of this finding. this finding.

PenisPenis

Cylindrical Organ to Cylindrical Organ to move semen and Urine move semen and Urine through the urethra.through the urethra.

Prepus (Prepuce)Prepus (Prepuce)

Covering of the Glans. Covering of the Glans. (Foreskin)(Foreskin)

CircumcisionCircumcision

Removal of the prepuce.Removal of the prepuce.

GlansGlans

Sensory center of the Sensory center of the penis. penis.

Seminal Fluid (Semen)Seminal Fluid (Semen) Male reproductive fluidMale reproductive fluid

SpermSperm Fluids secreted by glandsFluids secreted by glands SugarSugar

***2-to-5 mls secreted per ejaculation***2-to-5 mls secreted per ejaculation Average: 120 million sperm per milliliterAverage: 120 million sperm per milliliter

http://www.zoo.ox.ac.uk/egi/research/sperhttp://www.zoo.ox.ac.uk/egi/research/spermcomp.htmmcomp.htm

Gland Approximate % Description Gland Approximate % Description

testes 2-5%[testes 2-5%[1] Approximately 200- to 500-million 1] Approximately 200- to 500-million spermatozoa (also called sperm or spermatozoans), produced spermatozoa (also called sperm or spermatozoans), produced in the testes, are released per ejaculation. in the testes, are released per ejaculation.

seminal vesicle 65-75%seminal vesicle 65-75% amino acids, citrate, enzymes, amino acids, citrate, enzymes, flavins, fructose (the main energy source of sperm cells, which flavins, fructose (the main energy source of sperm cells, which rely entirely on sugars from the seminal plasma for energy), rely entirely on sugars from the seminal plasma for energy), phosphorylcholine, prostaglandins (involved in suppressing an phosphorylcholine, prostaglandins (involved in suppressing an immune response by the female against the foreign semen), immune response by the female against the foreign semen), proteins, vitamin C proteins, vitamin C

prostate 25-30%prostate 25-30% acid phosphatase, citric acid, fibrinolysin, acid phosphatase, citric acid, fibrinolysin, prostate specific antigen, proteolytic enzymes, zincprostate specific antigen, proteolytic enzymes, zinc

bulbourethral glands < 1%bulbourethral glands < 1% galactose, mucus (serve to galactose, mucus (serve to increase the mobility of sperm cells in the vagina and cervix by increase the mobility of sperm cells in the vagina and cervix by creating a less viscous channel for the sperm cells to swim creating a less viscous channel for the sperm cells to swim throughthrough

Seminal Vesicle Seminal Vesicle

Connect to the vas deferens Connect to the vas deferens and releaseand releaseFructoseFructoseProstaglandinsProstaglandins

•Suppress and help female Suppress and help female contractionscontractions

Prostate GlandProstate Gland

Chestnut shaped gland posterior to the Chestnut shaped gland posterior to the bladder.bladder.

Produces a milky buffer that empties into Produces a milky buffer that empties into the urethra.the urethra.

http://kidney.niddk.nih.gov/kudiseases/pubhttp://kidney.niddk.nih.gov/kudiseases/pubs/prostateenlargement/#glands/prostateenlargement/#gland

http://www.roboticurology.com/Media/prosthttp://www.roboticurology.com/Media/prostate_videos.htmate_videos.htm

http://www.mdanderson.org/diseases/prosthttp://www.mdanderson.org/diseases/prostate/display.cfm?id=52b3743f-3edd-47d7-8ate/display.cfm?id=52b3743f-3edd-47d7-8c0e69f0374fecb9&method=displayfullc0e69f0374fecb9&method=displayfull

Bulbourthral GlandBulbourthral Gland

““Cowper’s Gland”Cowper’s Gland” When stimulated, secrete natural lubricant When stimulated, secrete natural lubricant

to aide in intercourse.to aide in intercourse.