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300-F1 CPP > A&P: Digestive System > Flashcards

A&P: Digestive System Flashcards

1
Q

Mucosa

A

Inner lining of Digestive Tract

Composed of Epithelium, Lamina Propria, Muscularis Mucosae

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2
Q

Epithelium

A

Innermost layer of mucosa

Protection, secretion, absorption

nonkeratinized strat squamous joined + tight junction + exocrine cells

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3
Q

Lamina Propria

A

Connective tissue of Mucosa

Blood supply and MALT (Mucosa Associated Lymphatic Tissue)

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4
Q

Muscularis Mucosae

A

Outer layer of Mucosa

Thin layer of smooth muscle that forms inner folds to increase SA

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5
Q

Submucosa

A

Connective tissue binding mucosa to muscularis

Blood/lymphatic vessels, glands, submucosal plexus

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6
Q

Muscularis

A

Btwn submucosa and serosa

Skeletal muscle layer for voluntary ctrl: swallowing, external anal sphincter etc

Mysentaric Neural Plexis present

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7
Q

Serosa

A

Outermost covering of organs in ABDOMINOPELVIC CAVITY

Aka visceral peritoneum

***Esophagus has Adventitia instead

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8
Q

what is the largest serous membrane in body?

A

peritoneum

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9
Q

2 types of peritoneum

A

parietal and visceral

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10
Q

what organs are covered by retroperitoneal cavity and how?

A

ascending/descending colons, duodenum, pancreas, kidsneys ANTERIORLY ONLY

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11
Q

what are the 5 major peritoneal folds?

A

falciform ligament
greater omentum
lesser omentum
mesentery
mesocolon

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12
Q

what does falciform ligament cover?

A

liver, to the anterior abdominal wall and diaphragm

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13
Q

what does great omentum cover?

A

transverse colon and small intestines

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14
Q

what does the lesser omentum cover?

A

connects stomach and duodenum to the liver

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15
Q

what does the mesentery cover?

A

binds jejunum and ileum to the posterior abdominal wall

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16
Q

what does mesocolon cover?

A

binds transverse colon and sigmoid colon to the posterior wall

17
Q

fauces

A

opening between oral cavity and orpharynx

18
Q

what are the 3 pairs of salivary glands

A

parotid, submandibular, sublingual

19
Q

salivation is controlled by what nervous system

A

ANS

parasympathetic - secretion of moderate amt of saliva

sympathetic - decreases salivation

20
Q

examples of mechanical digestion

A

chewing / tongue moving food around forming bolus

21
Q

examples of chemical digestion by mouth

A

salivary amylase -> starches (monosaccharides)

lingual lipase -> triglycerides

300-F1 CPP (16 decks)

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