Structure crossing dorsal surface of ischial spine are

Structure crossing dorsal surface of
ischial spine are A/E :
a) Internal pudendal vessel
b) Pudendal nerve
c) Obturator nerve
d) Nerve to obturator internus
Correct Answer - C
C. i.e. Obturator nerve
Psoas major, iliacus & pectineus muscles, femoral vessels and
nerve, femoral branch of genitofemoral nerve, lateral cutaneous
nerve of thigh and lymphatics pass below inguinal ligament.
‘PIN’ structures i.e. Pudendal nerve, Internal Pudendal vessels,
Nerve to obturator internus come out of greater sciatic foramen,
cross the dorsal surface of ischial spine & enter into lesser sciatic
foramen.