Abdominal Cavity I

Question 1

In the aponeurosis of what muscle is the superficial inguinal ring located?

Answer 1

External abdominal oblique

Question 2

What is the cranial border of the deep inguinal ring?

Answer 2

caudal border of the aponeurosis of the internal abdominal oblique

Question 3

What is the medial border of the deep inguinal ring?

Answer 3

Lateral border of the rectus abdominis

Question 4

What is the caudal border of the deep inguinal ring?

Answer 4

Inguinal ligament & caudal end of External Abdominal oblique

Question 5

What structures are located in the inguinal canal?

Answer 5

Spermatic cord/vaginal process
External cremaster muscle
External pudendal arter and vein
Genitofemoral nerve
Efferent duct of the superficial inguinal lymph node

Question 6

What 2 structures are used as landmarks for dividing the quadrants?

Answer 6

Linea alba

Umbilicus

Question 7

What are the borders of the abdominal cavity? (cranial, dorsal, lateral, ventral, caudal)

Answer 7

Cranial: Diaphragm
Dorsal: Lumbar vertebrae, sublumbar muscles
Lateral: EAO, IAO, TA
Ventral: Rectus abdominis, rectus sheath, linea alba
Caudal: Pelvic inlet

Question 8

What organs are contained in the abdominal cavity?

Answer 8

Stomach
Descending colon
Liver
Pancreas
Spleen
Kidneys
Female reproductive tract
Nerve plexuses
Blood vessels
Lymph nodes
Omentum

Question 9

Are there any organs present in the peritoneal cavity?

Answer 9

No

Question 10

What is the linea alba also known as?

Answer 10

Midvental raphe

Question 11

What forms the linea alba?

Answer 11

Aponeurosis of Extrnal Abdominal Oblique, Internal Abdominal Oblique
Transversus abdominis
Transverse fasica

Question 12

What does the linea alba blend with?

Answer 12

Prepubic tendon

Question 13

Where does the linea alba originate?

Answer 13

Xiphoid cartilage

Question 14

Where does the linea alba insert?

Answer 14

Pelvic symphysis

Question 15

What layers make the external lamina of the cranial rectus sheath?

Answer 15

EAO

superficial layer of IAO

Question 16

What layers make the internal lamina of the cranial rectus sheath?

Answer 16

Deep layer of IAO
Transverse abdominis
Transverse fascia

Question 17

What layers make the external lamina of the umbilical rectus sheath?

Answer 17

EAO

IAO

Question 18

What layers make the internal lamina of the umbilical rectus sheath

Answer 18

Transverse abdominis

Transverse fascia

Question 19

What layers make the external lamina of the caudal rectus sheath?

Answer 19

EAO
IAO
end of the Transverse abdominis

Question 20

What is the internal lamina of the caudal rectus sheath made of?

Answer 20

Transverse fascia

Question 21

Where is the parietal peritoneum in regards to the transverse fascia?

Answer 21

Deep to TF

Question 22

What is the largest and most complex serous membrane in the body?

Answer 22

Peritoneum

Question 23

What is the difference between the male and female peritoneum?

Answer 23

Closed sac in the male

Female opens to peritoneal cavity via abdominal ostium of uterine tubes in ovarian bursa

Question 24

What are the parts of the peritoneum?

Answer 24

Parietal
Visceral
Peritoneal cavity

Question 25

What does the parietal peritoneum line?

Answer 25

``` Abdominal wall Abdominal surface of diaphragm Pelvic cavity Scrotal cavity Vaginal process ```

Question 26

What does the parietal peritoneum form?

Answer 26

Vaginal tunic of spermatic cord & vaginal process Vaginal ring of peritoneal cavity

Question 27

Where is the visceral peritoneum located?

Answer 27

Covers the organs in abdominal cavity and cranial portion of pelvic cavity

Question 28

Does the peritoneal cavity contain any organs?

Answer 28

NO!!

Question 29

When is the exception that something is located in the peritoneal cavity aside from serous fluid?

Answer 29

Ova ovulates in to peritoneal cavity to the infundibulum

Question 30

What are the 3 parts of the peritoneal cavity?

Answer 30

Greater sac Lesser sac Epiploic foramen

Question 31

What is the lesser peritoneal sac also known as?

Answer 31

Omental bursa

Question 32

What is the purpose of the epiploic foramen?

Answer 32

Communication between the 2 sacs

Question 33

What is the pararectal fossa?

Answer 33

Space on either side of the mesorectum

Question 34

Where is the rectogenital pouch?

Answer 34

Below rectum & above genitals

Question 35

Where is the vesicogenital pouch?

Answer 35

Above bladder & below genitals

Question 36

Where is the pubovesical pouch?

Answer 36

Above pubic bone & below bladder

Question 37

What is the mesentery?

Answer 37

Double layer of peritoneum

Question 38

What is the purpose of the mesentery?

Answer 38

Suspends freely moveable abdominal organs Supplies route for blood vessels, nerves, lymphatics

Question 39

Where is the root of the mesentery attached?

Answer 39

Dorsal abdominal wall at L1-L2

Question 40

Which artery runs through the root of the mesentery?

Answer 40

Cranial mesenteric artery

Question 41

What are the 2 parts of the mesentery?

Answer 41

Dorsal | Ventral

Question 42

Which part of the mesentery supports most of the organs?

Answer 42

Dorsal

Question 43

Name the 6 segments of the dorsa mesentery

Answer 43

``` Greater omentum Mesoduodenum Mesojejunum Mesoileum Mesocolon Mesorectum ```

Question 44

What 2 parts of the dorsal mesentery make the great mesentery?

Answer 44

Mesojejunum | Mesoileum

Question 45

What 2 layers of the dorsal mesentery are continuous with the great mesentery?

Answer 45

Deep leaf of the greater omentum | descending mesocolon

Question 46

What is the ventral mesentery derived from?

Answer 46

Ventral mesogastrium

Question 47

What are the segments of the ventral mesentery?

Answer 47

Lesser omentum Falciform ligament Median ligament of the bladder Antimesenteric ligament (Ileocecal fold)

Question 48

What umbilical structure forms the falciform ligament in the adult?

Answer 48

Umbilical vein

Question 49

What embryonic structure forms the median ligament of the bladder in the adult?

Answer 49

Urachus

Question 50

What ligament is present at the crest of the diaphragm?

Answer 50

Coronary ligament

Question 51

What ligament is present on either crus of the diaphragm

Answer 51

Triangluar ligament

Question 52

What ligament is present between the stomach and the spleen?

Answer 52

Gastrosplenic ligament

Question 53

What ligament is between the liver and the stomach?

Answer 53

Hepatogastric ligament

Question 54

Where is the greater omentum located?

Answer 54

From the greater curvature of the stomach to the dorsal abdominal wall

Question 55

Name 2 structures the superficial leaf of the greater omentum contains

Answer 55

Spleen | Gastrosplenic ligament

Question 56

Name the structure that is contained in the deep leaf of the greater omentum

Answer 56

Left lobe of pancreas

Question 57

Why is the greater omentum considered to have 4 layers?

Answer 57

Superficial & deep leaf are double layered

Question 58

Where is the omental bursa located?

Answer 58

Between superficial and deep leaf

Question 59

What forms the walls of the omental bursa?

Answer 59

Stomach, liver, pancreas, greater & lesser omentum

Question 60

Where is the lesser omentum located?

Answer 60

Lesser curvature of the stomach and cranial part of duodenum t the visceral surface of liver

Question 61

What 3 structures are located within the lesser omentum?

Answer 61

Papillary process of caudate lobe Hepatogastric ligament Hepatoduodenal ligament

Question 62

Where does the epiploic foramen lead to and from?

Answer 62

From omental bursa to peritoneal cavity

Question 63

What are the borders of the epiploic foramen?

Answer 63

``` Caudal vena cava (dorsal) Portal vein (ventral) Caudate process of the liver (lateral) ```

Question 64

What is the relevance of the epiploic foramen?

Answer 64

Most common site of extrahepatic portosystemic shunt