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Anatomy 2nd Half > Abdominal Wall And peritoneum > Flashcards

Abdominal Wall And peritoneum Flashcards

1
Q

Abdominal regions

A

Midclavicular lines
Subcostal L3
Inter tubercular L5

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2
Q

Abdominal nerves

A

Lateral cutaneous, anterior cutaneous
Iliohypogastric

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3
Q

External oblique

A

O: lower 8 ribs and runs inferior and anterior
I: lines alba and ilac crest
I: ventral rami T7-T12
BL trunk flexion, increase abdominal pressure, unilateral contraction causes CL rotation

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4
Q

Internal oblique

A

O: thoracolumbar fascia, iliac crest, inguinal lig
I: lines alba and lower 3-4 ribs
I: ventral rami T7-T12
BL trunk flexion, increase abdominal pressure, unilateral contraction causes ipsilateral rotation

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5
Q

Transversus abdominis

A

O: lower 6 ribs, thoracolumbar fascia, iliac crest, inguinal ligament
I: linea alba
I: ventral rami T7-T12
Prime mover to increase abdominal pressure

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6
Q

Rectus abdominis

A

O: pubic crest
I: coastal cartilage 5-7 and xiphoid process
I: ventral rami T7-T12
Prime trunk flexion and posterior pelvic tilt

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7
Q

External oblique aponeurosis superior borders

A

Asia to pubic tubercle

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8
Q

rectus sheath upper 2/3 vs lower 1/3

A

Anterior upper 2/3
1.5 aponeurotic layers
- external oblique and 1/2 internal
Posterior upper 2/3
1.5 layers
- 1/2 internal and transversus abdominis aponeurosis
Lower 1/3
Only anterior as internal, external oblique and transversus abdominis go in front
Transversalis fascia is the only posterior covering

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9
Q

Inguinal canal border and contents

A

Parallel and immediately superior to middle 1/3 inguinal ligament
Deep inguinal ring (opening in transversalis fascia) to superficial inguinal ring (opening in external oblique aponeurosis)
In men: spermatic cord
Females: round ligament of uterus

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10
Q

Peritoneum and the 2 layers

A

Serous membrane in abdomen and pelvic region that lubricates and facilitates movement
- parental: lining inner abdomen or partially covering viscera
- visceral: surrounding abdominal pelvic viscera

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11
Q

Parietal cavities

A

The space between parietal and visceral peritoneum
- lesser sac: small chamber posterior to stomach
- greater sac: large space containing most abdominopelvic viscera
- epiploic foramen of Winslow: connection between lesser and greater sac

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12
Q

Mesentary reflections

A

From small intestine to posterior abdominal wall

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13
Q

Mesocolon reflection

A

Transverse - transverse colon to posterior abdominal wall
Sigmoid - sigmoid colon to posterior abdominal wall

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14
Q

Omentum

A

Lesser- inferior surface of liver to lesser curvature of stomach
Greater - greater curvature of stomach (then reflects on itself) and attached to posterior abdominal wall

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15
Q

peritoneal ligaments

A

Coronary: Superior liver to inferior diaphragm
Gastrohepatic: aka lesser omentum
Gastrosplenic
Gastrocolic: Stomach to transverse colon
Part of the greater omentum
Splenorenak
Falciform: liver to posterior surface of anterior abdominal wall

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16
Q

Intraperitoneal organs

A

Invested by visceral peritoneum and attached to posterior abdominal wall with reflection
Stomach
Jejunum/ileum
Transverse colon
Sigmoid colon
Liver
Spleen
Utterus

17
Q

Retroperitoneal organ

A

Fixed to posterior abdominal wall via parietal peritoneum
Duodenum
Ascending and descending colon
Rectum
Pancreas
Kidney
Bladder
Vaginal canal

18
Q

Esophagus anatomical relation

A

Tranchea anterior and arch of aorta Left

19
Q

Stomach region and relation

A

L hypochondrium and epigastric
Ant: liver
Posterior: pancreas, spleen and L kidney
Intraperitoneal

20
Q

Duodenum

A

Epigastric region
Head of pancreas, IVC, abdominal aorta
Retro

21
Q

Jejunum & Ileum

A

Jejunum coils in umbilicus and ileum in hypo gastric
Jejunum: ascending and descending colon, ileum, transverse colon
Ileum: ascending and descending colon, sigmoid, uterus and bladder
Both infra

22
Q

Cecum

A

Entrance: iliocecal valve
Right iliac region
Appendix attached

23
Q

Ascending colon

A

Tania coli = longitudinal smooth muscle in 3 bundles (contraction —> haustra coli)
Right iliac
Small intestine, liver, R kidney
Retro

24
Q

Transverse colon

A

Hepatic flexture —> splenic flexture
R & L hypochondrium, umbilical
Spleen, liver and small intestine
Infra

25
Q

Descending colon

A

L iliac
Spleen, small intestine and L kidney
Retro

26
Q

Sigmoid colon

A

L linguinal and True pelvic region
Small intestine, rectum, uterus
Infra

27
Q

Rectum

A

True pelvic cavity
Male: bladder
Female: uterus, vaginal canal , bladder
Retro

28
Q

Spleen

A

Visceral surface contains hilum:
Splenic A&V, lymphatic vessel
L hypochondrium
Pancreas, transverse colon, stomach, left kidney
Ant: Ribs 9,10,11
Intra

29
Q

Liver

A

Falciform divides anterior into R&L lobe
Diaphragmatic surface: superior, anterior and right
Visceral: inferior
- porta hepatis: portal V, hepatic A, bile duct
Caudate lobe: left of gall bladder
Quadrate lobe: left of IVC
R hypochondrium and epigastric
L lobe: stomach
R lobe: hepatic flexture, R kidney
Quadrate lobe: duodenum
Intra

30
Q

Pancreas

A

epigastric, L hypochondrium
Head: Duodenum
Body: stomach
Tail: spleen
Retro

31
Q

Gall bladder

A

Epigastric
Liver
Retro

32
Q

Kidney

A

T12 to L3
Hilum:
Renal vein (anterior), artery and renal pelvis (turns into ureter)
R & L hypochondrium, R&L iliac
R kidney: liver
L kidney: stomach and spleen
Retro

33
Q

Uterus

A

Rectum, urinary bladder
Broad ligament goes from both sides covering the round ligament

34
Q

Urinary bladder

A

Behind pubic bone
In true pelvic cavity
retro
Rectum, seminal vesicle, vascular deferens
uterus, vagina canal

35
Q

Ovaries

A

Connected to uterus via ovarian ligament via broad ligament
Intra
Held in place by Fimbriae on uterine tube

36
Q

Uterus

A

Surrounded by broad ligament
Round ligament comes from here
Intra

37
Q

Vagina

A

90 degrees to uterus
Canal = retro

Anatomy 2nd Half (5 decks)

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