Abdo & Inguinal region tutorial Flashcards
1
Q
From which 4 sources does the diapragm develop?
A
Diaphragm is developed from four sources:
- Septum transversum (between primitive heart and liver) → historically thought to give rise to the central tendon
- Mesoderm from lateral body wall → peripheral parts of diaphragm, supplied by lower intercostal nerve
- Pleuroperitoneal folds
- Dorsal mesentery of oesophagus – crura
2
Q
- How common are Congenital diaphragmatic hernias?
- Where are they most common? What is a Bochdalek hernia?
- What are they thought to be due to the abnormal development of?
- What is mortality and morbidity mostly due to?
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3
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4
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5
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6
Q
What are the embryological origins of the components of the diaphragm:
- Central tendon?
- Right & left crus?
- Large, peripheral part (costal part)?
- Smaller peripheral part (r&l)?
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7
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8
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9
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10
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Pierces diapragm at level of:
IVC = T8
esophagus = T10
aorta = T12
11
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13
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24
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