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GI > Ailmentary Canal > Flashcards

Ailmentary Canal Flashcards

1
Q

Four Functions of the Digestive System

A

Digestion

Secretion

Absorption

Motility

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2
Q

Four Layers of Ailmentary Canal (tunics) Deep to Superficial

A

Mucosa

Submucosa

Muscularis Externa

Serosa/Adventitia

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3
Q

Three layers of Mucosa from Deep to Superficial

A

Epithelium

Lamina Propria

Muscularis Mucosae

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4
Q

2 Types of Muscle in the Muscularis layer

A

Circular muscle

Longitudinal muscle

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5
Q

What parts of the body is the Epithelium Stratified Squamous

A

Mouth

Oesophagus

Anal Canal

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6
Q

What parts of the body is the Epithelium Simple Columnar

A

Stomach

Small Intestine

Large Intestine

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7
Q

What kind of Tissue is the Lamina Propria

A

Loose Connective Tissue

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8
Q

what kind of tissue does the Muscularis Mucosae contain

A

Thin Smooth Muscle

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9
Q

What kind of tissue is the Submucosa made of

A

Thick Iregular Connective Tissue

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10
Q

What structures does the Submucosa contain

A

Blood Vessels

Neurones

Lymphatic vessels

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11
Q

What kind of tissue is the Serosa/Adventitia made of

A

Connective tissue

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12
Q

Adventitia or Serosa is found OUTSIDE the PERITONEAL CAVITY, attatching the oesophagus and rectum to surrounding structures

A

Adventitia

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13
Q

Adventitia or Serosa is found INSIDE the PERITONEAL CAVITY, surrounding the stomach, small and large intestine

A

Serosa

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14
Q

What does the Inner Layer of the Muscularis Externa consist of

A

Circular Muscle (Constricts Lumen)

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15
Q

What does the Outer Layer of the Muscualris Externa consist of

A

Longitudinal Muscle (shortens tube)

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16
Q

Submucosal Plexus + Myenteric Plexus = ?

A

Enteric Nervous System

17
Q

What Nerve gives PARASYMPATHETIC innervation to the gut

A

Vagus Nerve

18
Q

What Nerve gives SYMPATHETIC innervation to the gut

A

Splanchnic Nerve

19
Q

What does the vagus nerve stimulate in the gut

A

Secretions

Motility

20
Q

What does the splanchnic nerve inhibit in the gut

A

Secretion

Motility

21
Q

what nerves are responsible for salivation

A

Facial Nerve and Glossopharyngeal Nerve

GI (9 decks)

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