Abdominal Cavity I Flashcards Preview

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Flashcards in Abdominal Cavity I Deck (64)
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1
Q

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

A

External abdominal oblique

2
Q

What is the cranial border of the deep inguinal ring?

A

caudal border of the aponeurosis of the internal abdominal oblique

3
Q

What is the medial border of the deep inguinal ring?

A

Lateral border of the rectus abdominis

4
Q

What is the caudal border of the deep inguinal ring?

A

Inguinal ligament & caudal end of External Abdominal oblique

5
Q

What structures are located in the inguinal canal?

A
Spermatic cord/vaginal process
External cremaster muscle
External pudendal arter and vein
Genitofemoral nerve
Efferent duct of the superficial inguinal lymph node
6
Q

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

A

Linea alba

Umbilicus

7
Q

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

A

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

8
Q

What organs are contained in the abdominal cavity?

A
Stomach
Descending colon
Liver
Pancreas
Spleen
Kidneys
Female reproductive tract
Nerve plexuses
Blood vessels
Lymph nodes
Omentum
9
Q

Are there any organs present in the peritoneal cavity?

A

No

10
Q

What is the linea alba also known as?

A

Midvental raphe

11
Q

What forms the linea alba?

A

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

12
Q

What does the linea alba blend with?

A

Prepubic tendon

13
Q

Where does the linea alba originate?

A

Xiphoid cartilage

14
Q

Where does the linea alba insert?

A

Pelvic symphysis

15
Q

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

A

EAO

superficial layer of IAO

16
Q

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

A

Deep layer of IAO
Transverse abdominis
Transverse fascia

17
Q

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

A

EAO

IAO

18
Q

What layers make the internal lamina of the umbilical rectus sheath

A

Transverse abdominis

Transverse fascia

19
Q

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

A

EAO
IAO
end of the Transverse abdominis

20
Q

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

A

Transverse fascia

21
Q

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

A

Deep to TF

22
Q

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

A

Peritoneum

23
Q

What is the difference between the male and female peritoneum?

A

Closed sac in the male

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

24
Q

What are the parts of the peritoneum?

A

Parietal
Visceral
Peritoneal cavity

25
Q

What does the parietal peritoneum line?

A
Abdominal wall
Abdominal surface of diaphragm
Pelvic cavity
Scrotal cavity 
Vaginal process
26
Q

What does the parietal peritoneum form?

A

Vaginal tunic of spermatic cord & vaginal process

Vaginal ring of peritoneal cavity

27
Q

Where is the visceral peritoneum located?

A

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

28
Q

Does the peritoneal cavity contain any organs?

A

NO!!

29
Q

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

A

Ova ovulates in to peritoneal cavity to the infundibulum

30
Q

What are the 3 parts of the peritoneal cavity?

A

Greater sac
Lesser sac
Epiploic foramen

31
Q

What is the lesser peritoneal sac also known as?

A

Omental bursa

32
Q

What is the purpose of the epiploic foramen?

A

Communication between the 2 sacs

33
Q

What is the pararectal fossa?

A

Space on either side of the mesorectum

34
Q

Where is the rectogenital pouch?

A

Below rectum & above genitals

35
Q

Where is the vesicogenital pouch?

A

Above bladder & below genitals

36
Q

Where is the pubovesical pouch?

A

Above pubic bone & below bladder

37
Q

What is the mesentery?

A

Double layer of peritoneum

38
Q

What is the purpose of the mesentery?

A

Suspends freely moveable abdominal organs

Supplies route for blood vessels, nerves, lymphatics

39
Q

Where is the root of the mesentery attached?

A

Dorsal abdominal wall at L1-L2

40
Q

Which artery runs through the root of the mesentery?

A

Cranial mesenteric artery

41
Q

What are the 2 parts of the mesentery?

A

Dorsal

Ventral

42
Q

Which part of the mesentery supports most of the organs?

A

Dorsal

43
Q

Name the 6 segments of the dorsa mesentery

A
Greater omentum
Mesoduodenum
Mesojejunum
Mesoileum
Mesocolon
Mesorectum
44
Q

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

A

Mesojejunum

Mesoileum

45
Q

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

A

Deep leaf of the greater omentum

descending mesocolon

46
Q

What is the ventral mesentery derived from?

A

Ventral mesogastrium

47
Q

What are the segments of the ventral mesentery?

A

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

48
Q

What umbilical structure forms the falciform ligament in the adult?

A

Umbilical vein

49
Q

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

A

Urachus

50
Q

What ligament is present at the crest of the diaphragm?

A

Coronary ligament

51
Q

What ligament is present on either crus of the diaphragm

A

Triangluar ligament

52
Q

What ligament is present between the stomach and the spleen?

A

Gastrosplenic ligament

53
Q

What ligament is between the liver and the stomach?

A

Hepatogastric ligament

54
Q

Where is the greater omentum located?

A

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

55
Q

Name 2 structures the superficial leaf of the greater omentum contains

A

Spleen

Gastrosplenic ligament

56
Q

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

A

Left lobe of pancreas

57
Q

Why is the greater omentum considered to have 4 layers?

A

Superficial & deep leaf are double layered

58
Q

Where is the omental bursa located?

A

Between superficial and deep leaf

59
Q

What forms the walls of the omental bursa?

A

Stomach, liver, pancreas, greater & lesser omentum

60
Q

Where is the lesser omentum located?

A

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

61
Q

What 3 structures are located within the lesser omentum?

A

Papillary process of caudate lobe
Hepatogastric ligament
Hepatoduodenal ligament

62
Q

Where does the epiploic foramen lead to and from?

A

From omental bursa to peritoneal cavity

63
Q

What are the borders of the epiploic foramen?

A
Caudal vena cava (dorsal)
Portal vein (ventral)
Caudate process of the liver (lateral)
64
Q

What is the relevance of the epiploic foramen?

A

Most common site of extrahepatic portosystemic shunt