anatomy Flashcards
What are the 6 layers of the anterolateral abdominal wall?
skin, superficial fascia, muscle, transversalis fascia, extraperitoneal fat, parietal peritoneum
What are the 2 layers of the abdominal superficial fascia?
Camper’s fascia (fatty, superficial), Scarpas fascia (deep, fibrous)
What are the 3 muscles of the anterolateral abdominal wall?
External oblique, internal oblique, transverse abdominal
Which layer of the abdominal wall forms the scrotum?
Skin
Which layer of the abdominal wall forms the dartos muscle and dartos fascia?
Superficial fascia
Which layer of the abdominal wall forms the external spermatic fascia?
Aponeurosis of the external oblique muscle
Which layer of the abdominal wall forms the cremaster muscle and cremaster fascia?
The internal oblique muscle and fascia
Which layer of the abdominal wall forms the internal spermatic fascia?
Transversalis fascia
Which layer of the abdominal wall forms the tunica vaginalis?
Peritoneum
What are the layers of the scrotum (superficial to deep)?
Skin, dartos muscle, external spermatic fascia, cremaster muscle, internal spermatic fascia, tunica vaginalis
Which structures form the roof of the inguinal canal?
Internal oblique and transversus abdominus muscles
Which structures form the anterior wall of the inguinal canal?
external oblique and internal oblique aponeuroses
Which structures form the floor of the inguinal canal?
inguinal ligament, lacunar ligament
Which structures form the posterior wall of the inguinal canal?
transversalis fascia, conjoint tendon
Where is the opening of the superficial inguinal ring?
The external oblique aponeurosis
Where is the superficial inguinal ring palpable?
Superior and lateral to the pubic tubercle
Where is the opening of the deep inguinal ring?
The transversalis fascia
Where is the deep inguinal ligament palpable?
Superior to the mid inguinal ligament
What are the contents of the inguinal canal in males?
Spermatic cord, ilioinguinal nerve
What are the contents of the inguinal canal in females?
round ligament of uterus, ilioinguinal nerve
What are the contents of the spermatic cord?
“ANFO x3”
- 3 arteries: testicular artery, vas deferens artery, cremasteric artery
- 3 nerves: genital branch of genitofemoral nerve, autonomic nerves, ilioinguinal (technically in inguinal canal, not spermatic cord),
- 3 fascial layers: external spermatic fascia, cremasteric fascia, internal spermatic fascia
- 3 other structures: pampiniform plexus, vas deferens, testicular lymphatics
What is the superior border of the femoral triangle?
inguinal ligament
What is the lateral border of the femoral triangle?
sartorius muscle
What is the medial border of the femoral triangle?
medial border of adductor longus
