Anatomy of Digestive System 1 Flashcards

(82 cards)

1
Q

Digestive system includes? (2)

A
  • All organs of the digestive tube

- Accessory organs (secretions)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Mouth, pharynx, esophagus, stomach, small and large intestines, rectum and anus. These are part of which digestive systems?

A

Organs of digestive tube

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Salivary glands, liver, gall bladder, pancreas. These are part of which digestive system?

A

Accessory organs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the differences between Endo- and Exo-crine?

A

Endo- travels in blood.

Exo- travels in ducts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which accessory organ is both Exo- and Endo-crine?

A

Pancreas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the 3 pairs of salivary glands?

A
  • Parotid
  • Submandibular
  • Sublingual
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which pair of salivary glands of the 3 is this?
-below zygomatic arch and anterior to ear, just
beneath the skin with single ducts that open lateral to the 2nd upper molar.

A

Parotid glands (Stenson’s duct)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which pair of salivary glands of the 3 is this?
- in the floor of the mouth on inner surface of mandible with single ducts (Wharton’s duct) that open on the sides of the frenulum, posterior to the lower incisors.

A

Submandibular ducts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Which pair of salivary glands of the 3 is this?

-beneath the mucosa on the floor of the mouth with numerous ducts to open along the sides of the tongue.

A

Sublingual ducts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Parotid ducts are under Para/Sympathetics control and via which CN?

A

Parasympathetics, CN IX (Glossopharyngeal)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Submandibular ducts are under Para/Sympathetics control and via which CN?

A

Parasympathetics, CN VII (Hypoglossal)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Sublingual ducts are under Para/Sympathetics control and via which CN?

A

Parasympathetics, CN VII (Hypoglossal)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Muscular tube that has an average diameter of 2 cm which extends from the PHARYNX (C6) and terminates in the cardial orifice of the stomach (25 cm long). What structure is this?

A

Esophagus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What are the 3 potential restrictions to the esophagus?

A
  • Upper esophageal sphincter
  • Broncho-aortic (Thoracic) constrictions
  • Lower esophageal sphincter
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which one of the 3 esophagus restriction s is this?

-cricopharyngeus muscle which demarcates the beginning of the esophagus.

A

Upper esophageal sphincter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which one of the 3 esophagus restriction s is this?

-area where the esophagus is first crossed by the arch of the aorta and then by the left main bronchus.

A

Broncho-aortic (Thoracic) constrictions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Which one of the 3 esophagus restriction s is this?
-(T10 level) located where the esophagus passes through esophageal hiatus in the diaphragm. Prevents reflux of gastric contents.

A

Lower esophageal sphincter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

_____ derivative: The ABDOMINAL PART of the esophagus extends from the diaphragm to the cardiac region of the stomach (cardial orifice) 1.25 cm.

A

Foregut

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Foregut derivative internal circular and external longitudinal
layer of muscle fibers:
-Upper 1/3 = _____ muscle (voluntary)
-Middle 1/3 = mixture of muscle
-Inferior 1/3 = _____ muscle (involuntary)

A

skeletal; smooth

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

The esophagus is attached to the diaphragm by way of the _____ ligament which allows some movement during breathing.

A

phrenicoesophageal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

The right border of the esophagus follows the contour of the stomach, however, the left border is delineated from the stomach by the _____ notch.

A

cardiac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

There is an abrupt change in the epithelial lining between the esophagus and the stomach, which is demonstrated by a zig- zag line called the _____(esophagogastric junction) located at the ___.

A

z-line; ~ T11

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Esophagus is lined with _____ _____epithelium above the diaphragm.

A

stratified squamous

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Inferior to the diaphragm, the esophagus is lined with _____ epithelium similar to that of the stomach.

A

columnar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Left gastric artery (esophageal branch) and the left inferior phrenic artery supply the _____ portion (abdominal portion) of the esophagus.
lower
26
Venous return: *PORTAL venous system of the liver (significant in alcoholic cirrhosis of the liver) via the _____ _____ vein.
left gastric
27
Venous return: | *SYSTEMIC venous return through the _____ vein.
azygos
28
_____(Symp/Para)- anterior and posterior esophageal plexuses (derived from the *VAGUS* nerves).
*Parasympathetic
29
_____- greater and lesser splanchnic nerves.
*Sympathetic
30
What are the 5 parts of the stomach?
- Cardia - Fundus - Cardial notch - Body - Pyloric (3 parts)
31
Which part of the stomach? | - surrounds the superior orifice
Cardia
32
Which part of the stomach? - superior portion of the stomach that is associated with the diaphragm.
Fundus (Highest concentration of parietal cells)
33
Which part of the stomach? | - found between the esophagus and fundus of the stomach.
Cardial notch
34
Which part of the stomach? - central portion between the fundus and pylorus. *LARGEST PART.*
Body
35
Which part of the stomach? | - funnel shaped inferior region.
Pyloric
36
Which one of the 3 parts of Pyloric: | -The large part of the funnel.
pyloric antrum
37
Which one of the 3 parts of Pyloric: | -The narrow inferior part.
pyloric canal
38
Which one of the 3 parts of Pyloric: | -distal sphincter region which controls discharge of stomach contents.
Pylorus
39
Anatomy of Stomach: | _____ curvature- (ventral aspect of the primitive foregut) -right border.
Lesser
40
Anatomy of Stomach: | _____ curvature- (dorsal aspect of the primitive foregut) – left border.
Greater curvature
41
Anatomy of Stomach: _____ omentum- *DORSAL MESENTERY* attached to the greater curvature of the stomach and the transverse colon.
Greater omentum
42
Anatomy of Stomach: | _____ omentum- *VENTRAL MESENTERY*
Lesser
43
Anatomy of Stomach: Lesser omentum- *VENTRAL MESENTERY* attaches the stomach and proximal duodenum to the liver and is respectively divided into _____ and _____ ligaments. Within the hepatoduodenal ligament is found the PORTAL TRIAD.
hepatogastric; hepatoduodenal
44
Anatomy of Stomach: Lesser omentum- What is found within the hepatoduodenal ligament is found the portal triad? (3)
- Portal vein - Hepatic artery - Bile duct (take bile out)
45
_____ _____ – folds seen inside the stomach.
Gastric rugae
46
_____ _____ is invagination of MUCOSAL and SUBMUCOSAL layers.
Gastric rugae
47
_____ _____ artery - arises from celiac trunk and runs in the lesser omentum to the cardia, turns back to run along the lesser curvature of the stomach and anastomose with the right gastric artery.
Left gastric
48
Left gastric artery May give off _____ branches.
esophageal
49
_____ _____ artery – (found in the lesser | omentum) arises from the proper hepatic artery and runs along the lesser curvature.*
Right gastric
50
_____ _____artery - arises from gastroduodenal artery and runs along the greater curvature to anastomose with the left gastro- omental artery within the greater omentum.
Right gastro-omental
51
_____ _____artery - arises from the splenic | artery and runs along the greater curvature.
Left gastro-omental
52
VENOUS RETURN of stomach directly or indirectly drain into the PORTAL VEINS. What are the 3 portal veins?
- L/R gastric veins | - Short gastric veins
53
Initial lymphatic drainage of stomach follows the greater and lesser curvatures of the stomach and eventually enters the _____ lymph nodes.
celiac
54
PARASYMPATHETICS of stomach- vagal trunks which | enter the abdomen through the _____ hiatus.
esophageal
55
SYMPATHETICS of stomach – (T6 –T9 specific levels of the stomach)- *preganglionic* fibers from the greater splanchnic nerve (cord levels T5 – T9) and *postganglionic* fibers from the _____ ganglion which lays on the celiac artery.
celiac
56
_____ intestine is About 20 feet (6 m) in length.
Small
57
3 parts of small intestine?
- Duodenum - Jejunum - ILEUM
58
Which part of small intestine? -(~ 1 foot in length) C- shaped and receives bile from the gall bladder, and enzymes from the pancreas (lipase, amylase for starch, etc....)
-Duodenum
59
Which part of small intestine? -( 8 foot) majority of chemical digestion occurs here. Mucosa has circular folds of KERCKRING giving it a rough appearance. Found mostly in the *LUQ*.
Jejunum
60
Which part of small intestine? | -Has long vasa recta a one layer of arterial arcades.
Jejunum
61
Which part of small intestine? -last part of the small intestine, longest part ; contents empty into the cecum (first part of large intestine) after passing the ileocecal valve. Found mostly in the *RLQ*. Mucosa appears smooth in gross appearance.
ILEUM
62
Which part of small intestine? | - Has short vasa recta and 2-3 layers of arterial arcades.
ILEUM
63
Which part of small intestine? | - Has large number of PEYER'S PATCHES (Lymphatic aggregation).
ILEUM
64
What is the PARASYMPATHETIC innervation to BOTH ileum and jejunum?
Posterior vagal trunk
65
What is the SYMPATHETIC innervation to BOTH ileum and jejunum?
Postganglionic mostly from the *Superior mesenteric ganglia*
66
What are the 4 parts of Duodenum from the small intestine?
- Superior - Descending - Horizontal - Ascending
67
Parts of the duodenum from the small intestine: -Superior part - except for the first 2 cm, is a _____ . Attached to the pyloric region of the stomach. Sits at __ vertebral level.
retroperitoneal; L1
68
Foregut derivative therefore is vascularized by branches of the _____ ARTERY.
CELIAC
69
Superior part of the duodenum has a _____ ligament (part of lesser omentum) which is ventral mesentery in origin
hepatoduodenal
70
Parts of the duodenum from the small intestine? -RETROPERITONEAL; located along the *right side of L1 to L3* vertebrae (about 7 to 10 cm).
Descending part
71
What are the 2 structures found in the Descending part of the duodenum?
- Hepatopancreatic ampulla of Vater (external surface name) | - Major duodenal papilla (inside)
72
Hepatopancreatic ampulla of Vater is the union of the _____ duct and the _____ _____ duct.
bile; major pancreatic
73
Parts of the duodenum from the small intestine? | -(MIDGUT in origin) crossed by the *superior mesenteric artery and vein*.
Horizontal part (transverse)
74
Parts of the duodenum from the small intestine? -(MIDGUT in origin) ascends to the level of *L2 and is relatively short*, about 5 cm.
Ascending part
75
Ascending part of duodenum leads to the jejunum after the _____ flexure. This flexure is supported by the *SUSPENSORY MUSCLE ( LIGAMENT of TRIETZ)*. It allows for the facilitation of movement of intestinal contents.
duodenojejunal
76
The horizontal and ascending parts of the duodenum are mainly vascularized by the _____ _____ ARTERY.
SUPERIOR MESENTERIC
77
_____ artery and the superior _____ artery - supplies the proximal part of duodenum down to the bile duct.
Gastroduodenal; pancreaticoduodenal
78
Inferior pancreaticoduodenal artery is from the _____ _____artery
superior | mesenteric
79
Venous drainage follows the arteries to drain into the _____ VEIN.
PORTAL
80
What is the parasympathetic innervation for the Duodenum (Small intestine)?
Vagus N.
81
What is the sympathetic innervation for the Duodenum (Small intestine)?
*Celiac ganglia and superior mesenteric ganglia*
82
Bifurcation of Descending aorta is at which level?
L4