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Life Science > Digestive System > Flashcards

Digestive System Flashcards

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Biology 101 flashcards
1
Q

gastrointestinal tract

A

the organs that food and liquid travel through when they are swallowed etc

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2
Q

oral cavity

A

the mouth

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3
Q

hard palate

A

the bony front part of the palate

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4
Q

soft palate

A

the fleshy, flexible part toward the back of the roof of your mouth

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5
Q

uvula

A

hangs above the throat

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6
Q

lingual frenulum

A

dynamic structure, formed by the midline fold in a layer of fascia

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7
Q

pharynx

A

the membrane lined cavity behind the nose and mouth connecting them to the esophagus

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8
Q

esophagus

A

the part of the alimentary canal that connects the throat to the stomach; the gullet

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8
Q

mucosa

A

the moist inner lining of some organs and body cavities

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9
Q

submucosa

A

the layer of areolar connective tissue lying beneath the mucosa membrane

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10
Q

muscularis externa

A

a region of muscle in many organs in the vertebrate body, adjacent to the submucosa membrane

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10
Q

serosa

A

the tissue of a serous membrane

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11
Q

visceral peritoneum

A

the layers of tissue that cover the outer surface of most organs in the abdomen, including the intestines

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11
Q

parietal peritoneum

A

the layers of tissue that line the abdominal wall and the pelvic cavity

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12
Q

mesentery

A

fold of membrane that attaches the intestine to the abdominal wall and holds it in place

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12
Q

stomach

A

the internal organ in which the major part of the digestive system occurs

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13
Q

pyloric sphincter

A

a muscular valve that opens to allow food to pass from the stomach to the top of the small intestine

13
Q

cardioesophageal sphincter

A

an involuntary sphincter located at the bottom of the esophagus where it connects with the stomach

14
Q

rugae

A

an anatomical fold or wrinkle especially for the viscera

14
Q

greater curvature

A

the boundary of the stomach that forms a long usually convex curve on the left from the opening for the esophagus to the opening into the duodenum

15
Q

lesser curvature

A

the boundary of the stomach that in humans forms a relatively short concave curve on the right from the opening for the esophagus to the opening into the duodenum

15
Q

greater omentum

A

a 4 layered fold of peritoneum that extends down from the stomach, covering much of the colon and small bowel

16
Q

chyme

A

the pulpy acidic fluid which passes from the stomach to the small intestine consisting of gastric juices and partly digested food

17
Q

small intestine

A

the part of the intestine that runs between the stomach and large intestine

18
Q

ileocecal valve

A

sphincter muscle situated at the junction of the ileum and the colon

18
Q

duodenum

A

the first part of the small intestine immediately beyond the stomach, leading to the jejunum

19
Q

jejunum

A

middle part of the small intestine

19
Q

ileum

A

the third portion of the small intestine , between the jejunum and the cecum

20
Q

pancreatic ducts

A

part of a system of ducts in the pancreas

20
Q

bile duct

A

the duct that conveys bile from the liver and the gallbladder to the duodenum

21
Q

large intestine

A

long tube like organ that is connected to the small intestine at the end and the anus at the other

21
Q

cecum

A

a pouch that forms the first part of the large intestine

22
Q

appendix

A

tube shaped sac attached to and opening into the lower end of the large intestine in humans and some other mammels

23
Q

colon

A

longest part of the large intestine

24
Q

rectum

A

the final section of the large intestine, terminating at the anus

25
Q

anal canal

A

most terminal part of the lower GI tract/ large intestine, which lies between the anal verge in the perineum below the rectum above

26
Q

ascending colon

A

the first main part of the large intestine which passes upward from the cecum on the right side of the abdomen

27
Q

transverse colon

A

the middle part of the large intestine passing across the abdomen from right to left below the stomach

28
Q

descending colon

A

the part of the large intestine that passes downward on the left side of the abdomen toward the rectum

28
Q

sigmoid colon

A

the s shaped last part of the large intestine leading into the rectum

29
Q

liver

A

large lobed glandular organ in the abdomen of vertebrates involved in many metabolic processes

29
Q

gall bladder

A

a small sac shaped organ beneath the liver in which bile is stored after secretion by the liver and before release into the intestine

Life Science (16 decks)

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