Abdominal Wall - Ligaments/Connective Tissue Flashcards
What is this structure?
Rectus sheath
Rectus sheath
Origin of this structure
- Pubis
- Xiphoid process
- Ribs
Rectus sheath
Distribution of this structure
- Encircles the Rectus abdominis
- Thick midline is the linea alba
Rectus sheath
What is this structure?
Inguinal ligament
Inguinal ligament
Origin of this structure
Anterior superior iliac spine
Inguinal ligament
Distribution of this structure
Runs medially to pubic tubercle
Inguinal ligament
Function of this structure
- Forms the floor of the inguinal canal
- Thigh structures traverse under the ligament
- Femoral hernias also traverse under
Inguinal ligament
What is this structure?
Deep inguinal ring
Deep inguinal ring
Distribution of this structure
Outpocketing of abdominal cavity into abdominal wall just lateral to epigastric vessels
Deep inguinal ring
Function of this structure
Internal opening of the inguinal canal
Deep inguinal ring
What connects these two structures?
Inguinal canal
Inguinal canal
Distribution of this structure
Medially directed canal that runs between the deep inguinal ring and the superficial inguinal ring
Inguinal canal
Function of this structure
- Testes pass through these
- Testicular vessels and ductus deferens travel through the canal
- Females the round ligament of the uterus travels through the canal
Inguinal canal
What is this structure?
Superficial inguinal ring
Superficial inguinal ring
Distribution of this structure
Split in external oblique fascia
Superficial inguinal ring
What is this structure?
Pectinate ligament
Pectinate ligament
Origin of this structure
Pectineal line of pubis
Pectinate ligament
Distribution of this structure
Runs anteriorly to meet the inguinal ligament near the pubic tubercle
Pectinate ligament
What is this structure?
Lacunar ligament
Lacunar ligament
Origin of this structure
Inguinal ligament
Lacunar ligament
(is the answer not the name)
Distribution of this structure
Spans inguinal ligament and
pectinate ligament
Lacunar ligament
Function of this structure
- Forms medial border of the myopectineal orifice
- Canal for the femoral nerve, artery, & vein
Lacunar ligament
What is this structure?
Conjoint tendon (inguinal falx)
Conjoint tendon (inguinal falx)
Origin of this structure
Tendon of internal oblique and transversus abdominis
Conjoint tendon (inguinal falx)
Distribution of this structure
Pubic tubercle
Conjoint tendon (inguinal falx)
Function of this structure
Combined tendons of:
* Internal Oblique
* Transverse Oblique
* Conjoint tendon
forms posterior wall of medial-most inguinal canal
Conjoint tendon (inguinal falx)
