Abdominal Cavity and Contents Part 1 Flashcards
(79 cards)
1
Q
Inguinal canal is the passageway for?
A
Descent of testis and spermatic cord
2
Q
Inguinal canal extends from?
A
Superficial inguinal ring to deep inguinal ring
3
Q
Superficial inguinal ring
A
Slit-like opening into aponeurosis of EAO
4
Q
Deep inguinal ring borders
A
Cranial: IAO
Medial: Rectus abdominus
Caudal: inguinal ligament
5
Q
Inguinal canal contains?
A
- Spermatic cord or vaginal process
- External cremaster m.
- External pudendal a. and v.
- Genitofemoral n.
- Efferent duct of superficial inguinal ln.
6
Q
Abdominal cavity borders
A
- Diaphragm (cranial and bilateral)
- Lumbar vertebrae and sublumbar mm. (dorsal)
- Abdominal mm. (bilaterla)
- Rectus abdominis and linea alba (ventral)
- Pelvic inlet (caudal, continuous with pelvic cavity)
7
Q
Abdominal cavity contains
A
- Stomach → descending colon
- Liver
- Pancreas
- Spleen
- Kidneys
- Female repro tract
- Nerve plexuses, vessels, ln., omental structures
8
Q
Linea alba is the?
A
Midventral raphe
9
Q
Linea alba is formed by?
A
Aponeurotic insertions of abdominal mm.
10
Q
Linea alba origin
A
Xiphoid cartilage
11
Q
Linea alba blends with?
A
Prepubic tendon
12
Q
Linea alba insertion
A
Pelvic symphysis
13
Q
Layers of linea alba
A
- Aponeurosis of EAO
- Aponeurosis of IAO
- Aponeurosis of transversus abdominis m.
- Transverse fascia
14
Q
Peritoneum is the?
A
Largest and most complex arranged serous membrane in body
15
Q
Peritoneum in male
A
Closed sac
16
Q
Peritoneum in female
A
Opens into peritoneal cavity via ovarian bursa by free end of uterine tubes
17
Q
Uterine tubes aka?
A
Abdominal ostium
18
Q
Peritoneum function
A
Reduce friction between parts
19
Q
Peritoneum underlined by?
A
Transverse fascia
20
Q
3 parts of peritoneum
A
- Parietal peritoneum
- Visceral peritoneum
- Peritoneal cavity (in between)
21
Q
Parietal peritoneum lines?
A
- Abdominal wall
- Abdominal surface of diaphragm
- Cranial portion of pelvic cavity
- Scrotal cavity and vaginal process
22
Q
Parietal peritoneum forms?
A
- Parietal vaginal tunics of spermatic cord and vaginal process
- Vaginal rings (peritoneal cavity continuous with cavity of vaginal tunic)
23
Q
Visceral peritoneum covers the organs in the?
A
- Abdominal cavity
2. Cranial portion of pelvic cavity
24
Q
Peritoneal cavity is the?
A
Potential space between parietal and visceral perioneum
25
Peritoneal cavity contains?
Small amount of serous fluid → NO ORGANS!
26
Ova ovulate into the?
Parietal cavity
27
3 parts of peritoneal cavity
1. Greater sac (main region)
2. Lesser sac (omental bursa)
3. Epiploic foramen
28
Lesser sac of peritoneal cavity aka?
Omental bursa
29
Epipolic foramen
Communication between greater and lesser sacs of peritoneal cavity
30
Prararectal fossa is located?
Each side of the mesorectum
31
Female rectogenital pouch contains?
1. Rectum (dorsally)
| 2. Cranial part of vagina (ventrally)
32
Male rectogenital pouch contains?
1. Rectum (dorsally)
| 2. Genital fold (ventrally)
33
Vesicogenital pouch in female contains?
1. Cranial part of vagina (dorsally)
| 2. Bladder and its lateral ligaments (ventrally)
34
Vesicogenital pouch in male contains?
1. Genital fold (dorsally)
| 2. Bladder and its lateral ligaments (ventrally)
35
Pubovesical pouch is located?
Between floor of pelvis and bladder
36
Mesentery is?
Double layer of peritoneum → suspends most of the freely movable abdominal organs to body walls
37
Mesentery supplies route for?
1. Blood vessels
2. Nerves
3. Lymphatics
38
Root of the mesentery is attached to?
Dorsal abdominal wall (L1 or L2)
39
Root of mesentery contains?
1. Cranial mesenteric a.
2. Lymphatic
3. Mesenteric nerve plexus
40
Parts of mesentery
1. Dorsal mesentery
| 2. Ventral mesentery
41
Dorsal mesentery function
Suspends most of the freely movable abdominal organs
42
How is dorsal mesentery divided?
Almost same number of segments as GI tract
43
Sections of dorsal mesentery
1. Greater omentum
2. Mesoduodenum
3. Mesojejunum
4. Mesoileum
5. Mesocolon
5. Mesorectum
44
Embyronic greater omentum
Dorsal mesogastrium
45
Right lobe of pancreas is contained by?
Mesoduodenum
46
2 parts of great mesentery
1. Mesojejunum
| 2. Mesoileum
47
Great mesentery is continuous?
Cranial: deep leaf of greater omentum
Caudal: descending mesocolon
48
Ventral mesentery is mainly derived from?
Ventral mesogastrium
49
4 parts of venral mesentery
1. Lesser omentum
2. Falciform ligament
3. Median ligament of urinary bladder
4. Antimesenteric folds or ligaments
50
Embryonic falciform ligament
Umbilical vein
51
Embyronic median ligament of urinary bladder
Urachus
52
Example of antimesenteric fold
Ileocecal fold
53
Greek word for omentum
Epiploon
54
What is omentum?
Fold of peritoneum
55
Omentum passes from stomach to?
1. Dorsal abdominal wall
2. Visceral surface of liver
3. Cranial duodenum → visceral surface of liver
56
2 omenta
1. Greater omentum
| 2. Lesser omentum
57
Dorsal mesogastrium aka?
Greater omentum
58
Greater omentum is?
Areolar, 4-layer peritoneal fold
59
Greater omentum derived from?
Dorsal mesogastrium
60
Greater omentum extends from ____ to?
Greater curvature of stomach → dorsal abdominal wall
61
Superficial leaf composition
Double layered (not able to grossly separate)
62
Superficial leaf contains?
Spleen
63
Gastrosplenic ligament
Subdivision of superficial lig.
64
Deep leaf composition
Double layered
65
Deep leaf contains?
Left lobe of pancreas
66
Omental bursa location
Between superficial and deep leaf
67
Omental bursa contains?
1. Stomach
2. Liver
3. Pancreas
68
Walls of omental bursa are formed by?
Greater and lesser omentum
69
Lesser omentum derived from?
Ventral mesogastrium
70
Lesser omentum passed from ? to ?
Lesser curvature of stomach and cranial duodenum → visceral surface of livar
71
Lesser omentum lays over?
Papillary process of caudate lobe of liver
72
2 parts of lesser omentum
1. Hepatogastric lig.
| 2. Hepatoduodenal lig.
73
Hepatoduodenal lig. is continuous with?
Mesoduodenum
74
Bile duct separates?
Hepatoduodenal lig. and mesoduodenum
75
Foramen of winslow aka?
Epiploic foramen
76
Epiploic foramen structure
Short (about 3 cm), vertically flattened passage
77
Epiploic foramen leads from ? to ?
Omental bursa → peritoneal cavity
78
Borders of epiploic foramen
Dorsal: caudal vena cava
Ventral: portal vein
Lateral: caudate process of liver
79
Clinical relevance of epiploic foramen
Most common site of extrahepatic portosystemic shunts
