G19 & G20 Inguinal Region Flashcards
Name the bone that is part of the pubis and is lateral to the pubic tubercle.
Superior Pubic Ramus
Where does the inguinal ligament attach?
ASIS to the pubic tubercle
What makes the median umbilical fold?
The urachus
Name for the conjoined internal oblique and transversus abdominis tendons.
Inguinal falx
What ligament goes from the uterus to the ovary?
Proper ovarian ligament
The testes are found between what layers in the abdominal wall?
Internal to the transversalis fascia and external to the extraperitoneal fat.
When do the testes descend?
Between 7th and 9th months of fetal development?
Which layer of the abdominal wall is left out of the layers of the spermatic cord?
Transversus abdominis
What are the three outer layers of the spermatic cord and from which layers do they derive?
External spermatic fascia from EO
Cremasteric fascia from IO
Internal spermatic fascia from transversalis fascia
What blood vessels supply the scrotum?
Branches of the inferior epigastric
Branches of the femoral artery: superficial and deep external pudendal arteries
What nerves innervate the cremasteric muscle and the sensory of the region?
Ilioingual (L1)
Gentofemoral (L2)
What type of innervation contracts the cremasteric muscle and the dartos fascia?
Involuntary somatic innervation of the cremasteric muscle
Involuntary autonomic innervation of the autonomic for the dartos fascia
What nerves innervate the scrotum?
Anterior and posterior scrotal nerves from L1-L2 and S2-S4 respectively.
Describe both types of inguinal hernias.
Via deep ring: indirect/congenital, with spermatic cord
Via inguinal triangle: direct/acquired, parallel spermatic cord
Describe hydrocele, hematocele, variocele.
Hydrocele has serous fluid in the tunica vaginalis
Hematocele has blood in the tunica vaginalis
Variocele is the distension of the pampiniform plexus and can often be found on the left side
