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49 Cards in this Set
- Front
- Back
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Iliacus
-insertion -action -nerve |
-Inserts on lesser trochanter
-Most Powerful Thigh flexor -Femoral nerve |
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Psoas major
-insertion -action -nerve |
-Inserts on lesser trochanter
-Flexes thigh and balance trunk -Nerve L2-L4 |
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Piriformis
-inserts -action -nerve |
-Inserts on Greater trochanter
-Laterally rotates thigh when extended, abducts thigh -S1, S2 |
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Obturator internus
-inserts -action -nerve |
-Inserts on Greater trochanter
-Laterally rotates thigh when flexed -L5-S1 |
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Prepuce
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foreskin- fold of skin covering glans
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Glans
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expansion of corpus spongiosum that forms the head of penis
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Shaft
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-Corpora cavernosa (blood-filled sinuses) (2)
-Corpus spongiosum (1) surrounds the spongy urethra |
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Penis root consists of:
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-Bulb
-Crura -Fundiform ligament -Suspensory ligament |
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Urethral meatus
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external opening of the urethra from the head of the glans penis
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Perineum
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Area beween scrotum and anus
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Male pelvis TYPE:
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Android
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Features of Android pelvis:
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-Heart-shaped
-Prominent ischial spines -Narrow outlet -Acute pubic arch (<90') |
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Male pelvis is _____ where the Female pelvis is ______
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Male = Convergent
Female = Divergant |
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Female pelvic system derives from ____
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Mullerian / PMD system
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Male pelvic system derives from _____
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Wolffian / Mesonephric system
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What muscle covers the Corpus Spongiosum in the male?
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Bulbospongious - starts at the root, the bulb of the penis.
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What muscle covers the crura?
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Ischiocavernosus
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3 Fascial layers of Spermatic cord:
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-External spermatic fascia
-Cremasteric muscle -Internal spermatic fascia |
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2 Layers of fascia in Scrotum/perineum:
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-Superficial
-Deep |
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What is the superficial layer?
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Dartos/Colle's/Scarpa's
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What is the deep layer?
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Buck's fascia
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What potential arises by the fact that there are 2 fascia layers in the scrotum?
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Injury can cause blood to fill the space between deep/superficial fascia.
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What nerve gets blocked in the Circumsion procedure?
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Dorsal nerve - an extension/termination of the pudendal nerve.
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Preprostatic urethra
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Proximal to prostate, surrounded by internal urethral sphincter
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Which part of urethra is surrounded by prostate?
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Prostatic
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Which part of urethra runs through UG Diaphragm?
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Memebranous - surrounded by external urethral sphincter too
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Which section of penis is longest?
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Spongy
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What are the seminal colliculi?
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Where the ejaculatory duct and prostatic utricles enter the urethra.
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Where does Prostate cancer usually spread to first?
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Lumbar veins
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What are the 4 accessory organs in the male pelvis?
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-Ductus deferens
-Seminal vesicles -Bulbourethral glands -Ejaculatory ducts |
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Components of the Testes:
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-Tunica Albuginea
-Seminiferous tubules -Epididymus -Ductus deferens -Gubernaculum Testes |
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What is the tunica albuginea?
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The tough outer covering
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What is the Gubernaculum testes?
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The male analog to the round ligament in females
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What is the function of the Gubernaculum?
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To prevent twisting of the testes
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Where is a hydrocele associated w/ indirect hernia located?
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Between Parietal and Visceral layers of tunica vaginalis in the scrotum
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How do you determine if a hydrocele accompanies an indirect hernia?
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Shine light - if fluid accumultd it will glow red.
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What artery supplies the testes?
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Pudendal (branches in a few)
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Which side is a varicocele vein more common on?
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Left side
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What supplies blood to the penis? Why is it important?
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Deep artery of penis - maintains an erection.
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What is the main source of blood to the testes? What takes it away?
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-Testicular artery (R/L)
-Pampiniform plexus |
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What is the main blood supply to the prostate? What aids it?
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Inferior Vesicular Artery
-also middle rectal and superior vesical |
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What are the branches of the Internal Pudendal artery?
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-Deep artery of penis
-Dorsal artery of penis -Urethral artery -Perineal artery -Artery of bulb of penis |
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What does Point/Shoot mean?
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Point = erection = Parasymp
Shoot = Ejaculate = Sympathetic |
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What spinal cord levels do the PArasympathetic nerves come from?
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S2-S4; Pelvic Splanchnic nerves
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What spinal cord levels do the Sympathetic nerves come from?
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T10-L2; Superior Hypogastric plexus
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4 sensory nerves in Male Pelvis:
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-Pudendal
-Posterior femoral cutaneous -Ilioinguinal -Genitofemoral |
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Branches of Pudendal nerve:
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-Dorsal nerve of penis
-Perineal nerve -Inferior rectal nerve -Posterior scrotal |
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What is Priapism?
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Erection lasting more than 4 hours - can result in ischemia and permanent impotence
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Common cause of hemorrhoids:
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Enlargment of venous circulation - due to portal hypertension.
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