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49 Cards in this Set
- Front
- Back
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What is the inguinal canal? |
Canal through which the testes descend from the posterior abdomen to the scrotum. From deep inguinal ring to superficial inguinal ring |
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What does the inguinal ring contain? |
Genitofemoral nerve Spermatic cord Round ligament Ilio-inguinal ligament |
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What are the three paired structures in the scrotum? |
Testis Epididymis Spermatic cord |
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Which muscle regulates the temperature of the scrotum? |
Dartos |
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What is the vasculature of the scrotum? |
Anterior and posterior scrotal arteries (Ant. Is from external pudendal. Posterior is from internal pudendal) Scrotal veins |
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What is the innervation of the scrotum? |
Genitofemoral nerve Anterior scrotal nerve Posterior scrotal nerve Perineal branches of posterior femoral cutaneous nerve |
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What are the different layers of the scrotum? |
SOME- skin DAMN - dartos ENGLISHMAN- external spermatic fascia CALLED- cremasteris artery IT- internal spermatic fascia THE- tunica vaginalis TESTIS- tunica albuginea |
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What are the three layers of the testes? |
Tunica vaginalis Tunica albuginea Tunica vasculosa- blood vessels |
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What is the tunica vaginalis? |
External layer of the testis |
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What is the tunica albuginea? |
Middle layer of the testis Encases and creates pouches into the seminiferous tubules |
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What is the tunica vasculosa? |
The innermost layer of the testis Contains vessels and connective tissues |
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From where does the spermatic cord run? |
The beginning of the inguinal canal to the testis |
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What does the spermatic cord contain? |
PILLS- pampiniform plexus DON'T- ductus deferens CONTRIBUTE- cremasteric artery and vein TO- testicular artery A- autonomic nerves GOOD- genitofemoral nerve SEX- sympathetics LIFE- autonomics |
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What is the pampiniform plexus and its function? |
Network of veins which is responsible for the drainage of then testes Wrap around the testicular arteries and act as heat exchanger cooling the blood before it reaches the testes |
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What are the three parts of the penis? |
Root Shaft Glans |
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Anal canal |
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Anus |
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Bulbourethral gland |
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Central zone of the prostate |
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Deep inguinal ring |
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Direct hernia |
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Ductus deferens |
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Ejaculatory duct |
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Epididymus |
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External oblique |
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External urethral meatus |
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Iliococcygeus |
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Indirect hernia |
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Inguinal canal |
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Inguinal ligament |
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Levator ani |
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Linea alba |
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Peripheral zone of the prostate |
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Piriformis |
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Prostate |
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Pubic symphisis |
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Pubococcygeus |
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Rectum |
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Scrotum |
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Seminal vesicle |
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Superficial inguinal ring |
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Testes |
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Transitional zone of the prostate |
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Urethra |
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What are the erectile tissues of the penis? |
Root: left and right cura and the bulb of the penis Body: crura form the corpora cavernosa and bulb forms corpus spongiosum (contains urethra) |
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What is the vasculature of the penis? |
From the internal pudendal artery 1) dorsal arteries 2) deep arteries 3) bulbourethral |
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What is the innervation of the penis? |
S2-S4 Sympathetic- pudendal nerve Parasympathetic- prostatic nerve plexus |
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What are the three zones of the prostate? |
Central zone- surrounds ejaculatory duct Transitional zone- surrounds urethra Peripheral zone- main body of the gland |
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What is the pathway of sperm? |
Testes -> Epididymis -> Vas deferens -> Seminal glands -> Prostate -> Urethra -> External urethral orifice |
