Abdominal Wall & Diagphram Flashcards
The body is divided into what two major cavities?
Dorsal and ventral
What is contained in the dorsal cavity?
Brain & spine
What are the layers of the abdominal wall? 6
Skin,
tissue,
Muscles
Deep fascia,
Extraperitoneal fat,
Parietal peritoneum
What does the diaphragm do?
Separates thoracic cavity from abdominal cavity
The diaphragm is the major muscle of?
Inspiration
What are the 3 sites of attachment for the diaphragm?
Sternal, Lumbar, Costal
Which attachment is not always present?
Sternal
Which attachment is attached to the inner surface of the last ribs?
Costal
Which attachment has two attachments? And what are they?
Lumbar
Rt & Lt crura
Which attachment arise from the first 3 lumbar vertebrae, seen anterior to the aorta?
Right crura
Which attachment arise from the first 2 lumbar vertebrae?
Left crura
What are the signs & symptoms of abdominal wall abscess?
Erythema, Tenderness, Induration
What are the 2 common causes of superficial anterior abdominal wall abscess?
Surgical incision, External trauma
What is the lateral margin of the rectus muscles that is formed by fuses of the rectus muscles aponeuroses?
Linea semilunaris
What is the dense connective tissue, extending from xyphoid process to the pubic symphysis & formed by fusion of aponeurosis of abdominal muscles?
Linea alba
This separates the right and left rectus muscles?
Linea alba
Formed as the inferior border of the external oblique extends between anterior superior iliac spine and the pubic tubercle is called?
Inguinal ligament
What is formed as the inferior border of the external oblique extends?
Inguinal canal
In inguinal canal, in an adult, it is an oblique passage approximately?
4cm long
Within the inguinal canal is the _ cord in males and the round _ ligament in females.
Spermatic & uterine
What are the two openings of the inguinal canal?
Deep inguinal ring, Superficial inguinal ring
What is the anatomy for the posterior abdominal wall?5
Composition, Lumbar vertebra, Posterior abdominal wall muscles, Diaphragm, Fascia
The belly button is the center mark to?
Divide