Urologic Anatomy Flashcards
List the nerves of the lumbar plexus, their nerve roots, and their sensory and motor function?
“I I get laid on friday”
- Illiohypogastric (L1)
- Illioinguinal (L1)
- Genitofemoral (L1, L2)
- Lateral cutaneous nerve of the thigh (L2, L3)
- Obturator(L2-L4)
- Femoral (L2-L4)
List the nerve of the sacral plexus, its nerve root, and sensory and motor function?
- Sciatic (L4-S3) (branches into common peroneal, tibial, and sural)
List the nerve of the coccygeal plexus its nerve root, and sensory and motor function?
- Pudendal nerve (S2-S4)
Describe the path of a red blood cell from the renal artery to a glomerulus?
Renal artery -> segmental artery -> interlobar artery -> arcuate artery -> interlobular artery -> afferent artery -> glomerulus
List 8 functions of the kidney?
- Excretion of waste
- pH homeostasis
- Na+ homeostasis
- BP regulation
- Drug metabolism
- Erythropoetin
- Fluid balance
- Vitamin D homeostasis
List the paired and unpaired arteries that come off of the abdominal aorta from top to bottom?
- Inferior phrenic (paired)
- Celiac artery
- Adrenal artery (paired)
- SMA
- Renal artery (paired)
- Gonadal artery (paired)
- IMA
- Middle sacral
- Lumbars (posterior, paired and multiple)
What is the arterial supply to the testis?
- Testicular (gonadal) artery (from aorta)
- Cremasteric artery (from inferior epigastric)
- Vas deferes artery (inferior vesical)
What are the contents of the spermatic cord (9)
Arteries (3) - Testicular, cremasteric, Vas
Nerves (3) - testicular, genital branch of gen-fem, illioinguinal
Veins (1) - pam-uniform plexus
Lymphatics (1) (drain into para aortic nodes)
Vas deferens (1)
What are the fascial layers of the spermatic cord and their analogous abdominal structures?
- External spermatic fascia (external oblique aponeurosis)
- Cremasteric muscle (internal oblique)
- Cremasteric fascia (internal oblique fascia)
- Internal spermatic fascia (transvalis fascia)
- Tunica vaginalis (peritoneum)
What are the layers of the scrotum and their analogous abdominal structures?
Skin - skin
Dartos - scarpas/colles fascia
External spermatic fascia - external oblique aponeurosis)
Cremaster muscle - internal oblique
Cremasteric fascia - int. oblique aponeurosis
Internal spermatic fascia - trasversali fascia
Tunica vaginalis - parietal peritoneum
Tunica albuginea - visceral peritoneum
What are the branches of the external iliac artery (5) in order from proximal to distal?
- Inferior epigastric
- Deep circumflex
- Pubic
- Cremasteric
- Femoral (end artery)
What are the branches of the internal iliac anterior division (from proximal to distal)?
- Obliterated umbilical artery
- Superior vesical artery
- Obturator artery
- Vaginal artery
- Inferior vesical artery
- Uterine artery
- Middle rectal artery
- Inferior gluteal artery
- Internal pudendal artery (terminal artery)
What are the branches of the internal pudendal artery?
- Inferior rectal artery
- Perineal artery
- Posterior scrotal
- Artery to bulb of penis
- Common penile (terminal artery)
What are the branches of the common penile artery?
- Dorsal artery
- Cavernosal artery
- Bulbourethral
What are the branches of the posterior division of the internal iliac artery?
- Ascending lumbar
- Lateral sacral
- Superior gluteal
- Inferior gluteal (terminal)
What are the borders of Petit’s triangle?
External oblique, latissimus dorsi, illiac crest, (floor is internal oblique)
What are the borders of the femoral triangle?
Inguinal ligament, sartorial and adductor longus. (floor: pectineus, illiopsoas, and adductor longus, roof: fascia lata))
What are the zones of the prostate?
Anterior, transitional, central, and peripheral.
What are the borders of the inguinal canal?
Roof - conjoint tendon (transversals fascia, internal oblique, and transversus abdominus.
Floor - inguinal ligament, lacunal ligament
Anterior wall - aponeurosis of the external oblique reinforced by the internal oblique muscle laterally
Posterior wall - transversalis fascia
Openings - superficial (exit from inguinal canal) and deep ring (opening to inguinal canal)
