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Upper GI > Oesophagus > Flashcards

Oesophagus Flashcards

1
Q

Name the parts of the OESOPHAGUS

A

Upper
Middle
Lower

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2
Q

Name the structures the OESOPHAGUS passes through

A

Posterior mediastinum
Diaphragm
Abdominal cavity

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3
Q

Name the histological components of the MUCOSA

A

Non keratinised stratified squamous epithelium
Lamina propria
Muscularis mucosa

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4
Q

Name the two sphincters of the OESOPHAGUS

A

Upper oesophageal sphincter

Lower oesophageal sphincter

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5
Q

Blood supply/drainage of the UPPER OESOPHAGUS

A

Inferior thyroid artery and vein

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6
Q

Blood supply to the MIDDLE OESOPHAGUS

A

Aortic branches

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7
Q

Blood supply/drainage of the LOWER OESOPHAGUS

A

Left gastric artery and vein

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8
Q

Muscle of the UPPER OESOPHAGEAL SPHINCTER

A

Skeletal muscle

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9
Q

Muscle of the LOWER OESOPHAGEAL SPHINCTER

A

Smooth muscle

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10
Q

Histology of the SUBMUCOSA

A

Areolar connective tissue
Blood/lymph vessels
Mucous glands
Submucosal plexus

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11
Q

Layers of the UPPER GI

A

Mucosa
Submucosa
Muscularis propria
Adventitia/ Serosa

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Upper GI (7 decks)

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