Random Flashcards
Lesser Sciatic Foramen Boundaries
Superior – sacrospinous ligament and ischial spine
Anterior – ischial spine, lesser sciatic notch and ischial tuberosity
Posterior – sacrotuberous ligament
Lesser Sciatic Foramen Contents
Internal pudendal artery and vein
Pudendal nerve
Obturator internus tendon
Nerve to obturator internus
What nerve first leaves the pelvis via the greater sciatic foramen, and then re-enters via the lesser sciatic foramen?
Pudendal
Greater Sciatic Foramen
Superior – anterior sacroiliac ligament.
Posteromedial – sacrotuberous ligament.
Anterolateral – greater sciatic notch of the ilium.
Inferior – sacrospinous ligament and ischial spine.
Greater Sciatic Foramen Contents
Sciatic nerve.
Pudendal nerve.
Inferior gluteal artery and vein.
Inferior gluteal nerve.
Posterior femoral cutaneous nerve.
Nerve to obturator internus.
Nerve to quadratus femoris.
Inguinal canal boundaries
Anterior wall – aponeurosis of the external oblique
Posterior wall – transversalis fascia.
Roof – transversalis fascia, internal oblique, and transversus abdominis.
Floor – inguinal ligament
Inguinal canal Contents
Spermatic cord (Male)
Round ligament (Female)
Ilioinguinal nerve
Genital branch of the genitofemoral nerve
The two openings to the inguinal canal are known as
deep (internal) and superficial (external) Rings
What is the difference between the internal and external rings of the inguinal canal?
Deep/ Internal - Internal opening of the inguinal canal
Superficial/ External - External end of the inguinal canal
How is the inguinal Canal different between Males and females?
Spermatic cord (Male)
Round ligament (Female)
Quadrangular space Boundaries?
Teres minor
Long head of the triceps medially
Teres major
Surgical neck of the humerus laterally
What nerve runs through Quadrangular space?
Axillary nerve
