Chapter 12- Digestive System Flashcards

1
Q

Gastroenterology:

A

is the healthcare specialty that deals with most digestive diseases and disorders.

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2
Q

Gastroenterologist:

A
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3
Q

Proctologist:

A
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4
Q

Hepatology:

A
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5
Q

Hepatologist:

A
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6
Q

Anatomy of the DS:

A

-Gastrointestinal tract or Digestive tract or Olimentary Canal.
-Large muscular tube that, w/ help of hormones & enzymes, digest

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7
Q

Accessory organs:

A

Salivary glands, gallbladder, liver & pancreas

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8
Q

Mouth:

A

Checks. lips. tongue, hard palate, soft palate, also called oral cavity. buccal cavity.
-adults in 32 teeth.
-Baby teeth, (primary teeth, milky teeth or deciduous.

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9
Q

Pharynx:

A

Throat

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10
Q

Nasopharynx:

A
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11
Q

Oropharynx:

A
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12
Q

Laryngopharynx:

A
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13
Q

Esophagus:

A
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14
Q

Stomach:
(Divide into three sections, Fundus, Body, Pylorus)

A

reservoir of food

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15
Q

Fundus:

A
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16
Q

Body:

A
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17
Q

Pylorus:

A
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18
Q

Stomach wall contains:

A

Ruguae

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19
Q

Pyloric sphincter:

A

B/w the pylorus & the small intestine.

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20
Q

Small Intestine:

A

-has a 1-inch lumen & is about 20 ft. long small intestine is divided into three sections.
Lining of the sm. intestine has plicae (folds) which contain villi,

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20
Q

Duodenum:

A
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21
Q

Jejunum:

A
21
Q

Villi-

A

covered by microvilli

21
Q

Ileum:

A
22
Q

Chyme:

A

from the stomach empties into duodenum.

22
Q

Peristalsis:

A

moves chyme through the sm. intestine.

23
Q

Ileocecal Valve:

A

found between the ileum.&raquo_space; cecum (start of large intestine)

24
Q

Large Intestine:

A

Colon has about 3 inch lumen & is 5 ft. Divided into 6 parts.

25
Q

Cecum-

A
25
Q

Ascending colon:

A
26
Q

Transverse Colon-

A
27
Q

Descending Colon-

A
28
Q

Sigmoid Colon-

A
29
Q

Rectum-

A
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40
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