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1.2 anatomy: inguinal region (coverings of spermatic cord/testes…
1.2 anatomy: inguinal region
inguinal canal (4 cm)
descent of gonads
posterior wall
transversalis fascia
anterior wall
medial 2/3 aponeurosis of external oblique, lateral 1/3 internal oblique
parallel and superior to the lower half of inguinal ligament
floor
medial half of inguinal ligament, lacunar ligament
deep inguinal ring - superficial inguinal ring
roof
internal oblique, transversus abdominis
inguinal region
anterior abdominal wall & thigh
inguinal ligament (ex oblique aponeurosis)
pubic tubercle
midline, below umbilicus: pubic symphysis
most lateral bony prominence
ASIS
most anterior point of iliac crest
inguinal canal (4 cm)
deep inguinal ring
midpoint of ASIS & pubic tubercle, 2 cm above
aponeurosis of external oblique
beginning of external spermatic fascia
lateral to inferior epigastric vessels
superficial inguinal ring
superolateral to pubic tubercle
transversalis fascia
beginning of internal spermatic fascia
contents of spermatic cord
3 nerves
nerve to cremaster, T10 autonomic nerves, L1 L2 genital branch of genitofemoral nerve
3 arteries
cremasteric artery, artery to vas deferens, testicular artery
3 others
vas deferens, pampiniform venous plexus, lymphatics
hasselbach triangle
medial border
lateral border of rectus abdominis
lateral border
inferior epigastric artery
inferior border
inguinal ligament (iliopubic tract)
coverings of spermatic cord/testes
(anterior) outpuching of peritoneum
transversalis fascia
internal oblique
aponeurosis of external oblique
inguinal canal
L1 ilio-inguinal nerve (exit at superficial inguinal ring)
root of penis, superior part of scrotum
skin over mons pubis, labia majora
round ligament of the uterus (uterus to labia majora) + genital branch of genitofermoral nerve L1, L2
spermatic cord (abdomen - testes)