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Gross Anatomy Exam 3 > Abdominal Cavity and Contents Part 1 > Flashcards

Abdominal Cavity and Contents Part 1 Flashcards

1
Q

Inguinal canal is the passageway for?

A

Descent of testis and spermatic cord

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2
Q

Inguinal canal extends from?

A

Superficial inguinal ring to deep inguinal ring

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3
Q

Superficial inguinal ring

A

Slit-like opening into aponeurosis of EAO

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4
Q

Deep inguinal ring borders

A

Cranial: IAO
Medial: Rectus abdominus
Caudal: inguinal ligament

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5
Q

Inguinal canal contains?

A
  1. Spermatic cord or vaginal process
  2. External cremaster m.
  3. External pudendal a. and v.
  4. Genitofemoral n.
  5. Efferent duct of superficial inguinal ln.
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6
Q

Abdominal cavity borders

A
  1. Diaphragm (cranial and bilateral)
  2. Lumbar vertebrae and sublumbar mm. (dorsal)
  3. Abdominal mm. (bilaterla)
  4. Rectus abdominis and linea alba (ventral)
  5. Pelvic inlet (caudal, continuous with pelvic cavity)
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7
Q

Abdominal cavity contains

A
  1. Stomach → descending colon
  2. Liver
  3. Pancreas
  4. Spleen
  5. Kidneys
  6. Female repro tract
  7. Nerve plexuses, vessels, ln., omental structures
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8
Q

Linea alba is the?

A

Midventral raphe

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9
Q

Linea alba is formed by?

A

Aponeurotic insertions of abdominal mm.

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10
Q

Linea alba origin

A

Xiphoid cartilage

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11
Q

Linea alba blends with?

A

Prepubic tendon

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12
Q

Linea alba insertion

A

Pelvic symphysis

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13
Q

Layers of linea alba

A
  1. Aponeurosis of EAO
  2. Aponeurosis of IAO
  3. Aponeurosis of transversus abdominis m.
  4. Transverse fascia
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14
Q

Peritoneum is the?

A

Largest and most complex arranged serous membrane in body

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15
Q

Peritoneum in male

A

Closed sac

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16
Q

Peritoneum in female

A

Opens into peritoneal cavity via ovarian bursa by free end of uterine tubes

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17
Q

Uterine tubes aka?

A

Abdominal ostium

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18
Q

Peritoneum function

A

Reduce friction between parts

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19
Q

Peritoneum underlined by?

A

Transverse fascia

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20
Q

3 parts of peritoneum

A
  1. Parietal peritoneum
  2. Visceral peritoneum
  3. Peritoneal cavity (in between)
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21
Q

Parietal peritoneum lines?

A
  1. Abdominal wall
  2. Abdominal surface of diaphragm
  3. Cranial portion of pelvic cavity
  4. Scrotal cavity and vaginal process
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22
Q

Parietal peritoneum forms?

A
  1. Parietal vaginal tunics of spermatic cord and vaginal process
  2. Vaginal rings (peritoneal cavity continuous with cavity of vaginal tunic)
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23
Q

Visceral peritoneum covers the organs in the?

A
  1. Abdominal cavity

2. Cranial portion of pelvic cavity

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24
Q

Peritoneal cavity is the?

A

Potential space between parietal and visceral perioneum

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25
Q

Peritoneal cavity contains?

A

Small amount of serous fluid → NO ORGANS!

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26
Q

Ova ovulate into the?

A

Parietal cavity

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27
Q

3 parts of peritoneal cavity

A
  1. Greater sac (main region)
  2. Lesser sac (omental bursa)
  3. Epiploic foramen
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28
Q

Lesser sac of peritoneal cavity aka?

A

Omental bursa

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29
Q

Epipolic foramen

A

Communication between greater and lesser sacs of peritoneal cavity

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30
Q

Prararectal fossa is located?

A

Each side of the mesorectum

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31
Q

Female rectogenital pouch contains?

A
  1. Rectum (dorsally)

2. Cranial part of vagina (ventrally)

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32
Q

Male rectogenital pouch contains?

A
  1. Rectum (dorsally)

2. Genital fold (ventrally)

33
Q

Vesicogenital pouch in female contains?

A
  1. Cranial part of vagina (dorsally)

2. Bladder and its lateral ligaments (ventrally)

34
Q

Vesicogenital pouch in male contains?

A
  1. Genital fold (dorsally)

2. Bladder and its lateral ligaments (ventrally)

35
Q

Pubovesical pouch is located?

A

Between floor of pelvis and bladder

36
Q

Mesentery is?

A

Double layer of peritoneum → suspends most of the freely movable abdominal organs to body walls

37
Q

Mesentery supplies route for?

A
  1. Blood vessels
  2. Nerves
  3. Lymphatics
38
Q

Root of the mesentery is attached to?

A

Dorsal abdominal wall (L1 or L2)

39
Q

Root of mesentery contains?

A
  1. Cranial mesenteric a.
  2. Lymphatic
  3. Mesenteric nerve plexus
40
Q

Parts of mesentery

A
  1. Dorsal mesentery

2. Ventral mesentery

41
Q

Dorsal mesentery function

A

Suspends most of the freely movable abdominal organs

42
Q

How is dorsal mesentery divided?

A

Almost same number of segments as GI tract

43
Q

Sections of dorsal mesentery

A
  1. Greater omentum
  2. Mesoduodenum
  3. Mesojejunum
  4. Mesoileum
  5. Mesocolon
  6. Mesorectum
44
Q

Embyronic greater omentum

A

Dorsal mesogastrium

45
Q

Right lobe of pancreas is contained by?

A

Mesoduodenum

46
Q

2 parts of great mesentery

A
  1. Mesojejunum

2. Mesoileum

47
Q

Great mesentery is continuous?

A

Cranial: deep leaf of greater omentum

Caudal: descending mesocolon

48
Q

Ventral mesentery is mainly derived from?

A

Ventral mesogastrium

49
Q

4 parts of venral mesentery

A
  1. Lesser omentum
  2. Falciform ligament
  3. Median ligament of urinary bladder
  4. Antimesenteric folds or ligaments
50
Q

Embryonic falciform ligament

A

Umbilical vein

51
Q

Embyronic median ligament of urinary bladder

52
Q

Example of antimesenteric fold

A

Ileocecal fold

53
Q

Greek word for omentum

54
Q

What is omentum?

A

Fold of peritoneum

55
Q

Omentum passes from stomach to?

A
  1. Dorsal abdominal wall
  2. Visceral surface of liver
  3. Cranial duodenum → visceral surface of liver
56
Q

2 omenta

A
  1. Greater omentum

2. Lesser omentum

57
Q

Dorsal mesogastrium aka?

A

Greater omentum

58
Q

Greater omentum is?

A

Areolar, 4-layer peritoneal fold

59
Q

Greater omentum derived from?

A

Dorsal mesogastrium

60
Q

Greater omentum extends from ____ to?

A

Greater curvature of stomach → dorsal abdominal wall

61
Q

Superficial leaf composition

A

Double layered (not able to grossly separate)

62
Q

Superficial leaf contains?

63
Q

Gastrosplenic ligament

A

Subdivision of superficial lig.

64
Q

Deep leaf composition

A

Double layered

65
Q

Deep leaf contains?

A

Left lobe of pancreas

66
Q

Omental bursa location

A

Between superficial and deep leaf

67
Q

Omental bursa contains?

A
  1. Stomach
  2. Liver
  3. Pancreas
68
Q

Walls of omental bursa are formed by?

A

Greater and lesser omentum

69
Q

Lesser omentum derived from?

A

Ventral mesogastrium

70
Q

Lesser omentum passed from ? to ?

A

Lesser curvature of stomach and cranial duodenum → visceral surface of livar

71
Q

Lesser omentum lays over?

A

Papillary process of caudate lobe of liver

72
Q

2 parts of lesser omentum

A
  1. Hepatogastric lig.

2. Hepatoduodenal lig.

73
Q

Hepatoduodenal lig. is continuous with?

A

Mesoduodenum

74
Q

Bile duct separates?

A

Hepatoduodenal lig. and mesoduodenum

75
Q

Foramen of winslow aka?

A

Epiploic foramen

76
Q

Epiploic foramen structure

A

Short (about 3 cm), vertically flattened passage

77
Q

Epiploic foramen leads from ? to ?

A

Omental bursa → peritoneal cavity

78
Q

Borders of epiploic foramen

A

Dorsal: caudal vena cava

Ventral: portal vein

Lateral: caudate process of liver

79
Q

Clinical relevance of epiploic foramen

A

Most common site of extrahepatic portosystemic shunts

Gross Anatomy Exam 3 (11 decks)

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