Abdominal muscular wall and peritoneum

Question 1

External oblique OIAN

Answer 1

O: lower 6-8 ribs
I: Iliac crest, linea alba via aponeurosis
A: contralateral trunk rotation
N: T7-T12 intercostal nerves

Question 2

Where does the linea alba run?

Answer 2

Between xiphoid process and pubic symphysis

Question 3

The inguinal ligament is the thickened part of the _________ oblique aponeurosis.

Answer 3

external

Question 4

Do the muscular fibers of the external oblique ever reach the midline?

Answer 4

NO; just via the aponeurosis

Question 5

Internal oblique OIAN

Answer 5

O: iliac crest, inguinal ligament
I: lower 6 ribs, insert to linea aspera via aponeurosis
A: ispilateral trunk rotation
N: T7-T12 intercostal nerves

Question 6

The right external oblique and left internal oblique would be (antagonists/agonists)?

Answer 6

AGONISTS

Question 7

Transversus abdominus OIAN

Answer 7

O: iliac crest, lower 6 ribs and thoracolumbar fascia
I: linea alba via aponeurosis
A: increases abdominal pressure
N: T7-T12 intercostals

Question 8

Can transverse abdominus rotate the trunk?

Answer 8

NO; horizontal fiber orientation

Question 9

Along with the diaphragm, the transverse abdominus assists in performing the ________ maneuver, which is not appropriate for what type of population?

Answer 9

valsalva; individuals with any heart issues

Question 10

Rectus abdominus OIAN

Answer 10

O: pubic bone
I: costal cartilages 5,6,7, sometimes xiphoid process
A: trunk flexion;
ROI: posterior pelvic tilt
N: T7-T12 intercostal nerves

Question 11

The rectus abdominus is divided by tendinous _________.

Answer 11

intersections

Question 12

What does the inguinal canal contain in females? in males?

Answer 12

F: round ligament of uterus, ilioinguinal nerve, vessels
M: vas deferens, ilioinguinal nerve, vessels

Question 13

What is the entrance of the inguinal canal?

Answer 13

deep inguinal ring

Question 14

What is the exit of the inguinal canal?

Answer 14

superficial inguinal ring

Question 15

Approximately how long is the inguinal canal?

Answer 15

45 cm

Question 16

From what three structures do the extensions surrounding the tests come from?

Answer 16

1. transversalis fascia
2. internal oblique
3. external oblique

Question 17

From what layer do the muscles surrounding the testes come from, and what is the name given to this muscle?

Answer 17

2nd layer (internal oblique); cremaster muscle

Question 18

What are the two phases of testicular descent?

Answer 18

1. Trans-abdominal phase

2. Trans-inguinal phase

Question 19

When does the trans-abdominal phase occur?

Answer 19

10-15 weeks gestation

Question 20

When does the trans-inguinal phase occur?

Answer 20

25-35 weeks gestation

Question 21

The ________ is a large serous membrane lining the abdominal cavity.

Answer 21

peritoneum

Question 22

What are the two layers of the peritoneum?

Answer 22

1. parietal

2. visceral

Question 23

The peritoneum consists of a n epithelial like single layer of cells, called the ________, tougher with a supportive layer of connective tissue.

Answer 23

mesothelium

Question 24

What cells secrete the serous fluid that lubricate the abdominal surface, allowing free movements of the viscera?

Answer 24

mesothelium

Question 25

The parietal peritoneum is pain (sensitive/insensitive)

Answer 25

sensitive

Question 26

The visceral peritoneum is pain (sensitive/insensitive)

Answer 26

insensitive

Question 27

The space between the parietal and visceral layers of the peritoneum is named the ________ ________.

Answer 27

peritoneal cavity

Question 28

The dorsal mesentery of the foregut forms the ______ _______.

Answer 28

greater omentum

Question 29

The part of the lesser momentum stretched between the liver and the stomach is called the _________ ligament.

Answer 29

hepatogastric

Question 30

The part of the lesser momentum attaching the liver to the duodenum is called the __________ ligament.

Answer 30

hepatoduodenal

Question 31

How are the intestines anchored to the posterior abdominal wall?

Answer 31

via the mesentery

Question 32

What is the name for the foramen connecting the lesser and greater sac?

Answer 32

epiploic foramen (foramen of winslow)

Question 33

How is the peritoneal cavity subdivide?

Answer 33

1. lesser sac

2. greater sac

Question 34

Within the free border of the lesser momentum one can find the _______ ______.

Answer 34

portal triad

Question 35

What are the 6 intraperitoneal organs?

Answer 35

1. stomach
2. sm. I
3. transverse colon
4. sigmoid colon
5. spleen
6. liver