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805 - Exam 3 > Anatomy - GI organization & Peritoneum > Flashcards

Anatomy - GI organization & Peritoneum Flashcards

1
Q

Cheeks and lips (facial expression MM) nerve?

A

Facial N

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2
Q

Mastication MM nerve?

A

trigeminal N

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3
Q

tongue nerve?

A

hypoglossal N

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4
Q

soft palate MM nerve?

A

vagus N

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5
Q

the pharynx is the expanded ____ portion of _____

A

the pharynx is the expanded PROXIMAL portion of GI TRACT

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6
Q

what is the pharynx continuous with?

A

nasal and oral cavities, respiratory and digestive tracts inferiorly

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7
Q

what tracts cross in the pharynx?

A

respiratory and digestive

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8
Q

what do the structures in the pharynx control

A

swallowing, opening of airway to keep things separate

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9
Q

the circular and longitudinal muscles do what to the pharynx when swallowing?

A

elevate it

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10
Q

the circular and longitudinal muscles are innervated mainly by ?

A

vagus N

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11
Q

3 regional divisions of the pharynx

A

nasopharynx
oropharynx
laryngopharynx

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12
Q

what regions of the pharynx are closed during swallowing

A

nasopharynx and laryngeal inlet (airways)

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13
Q

somatic sensory innervation to the cheek mucosa, palate, anterior tongue, nasopharynx?

A

Trigeminal N (CN V)

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14
Q

somatic sensory innervation to the posterior tongue and oropharynx?

A

Glossopharyngeal N (CN IX)

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15
Q

somatic sensory innervation to the Laryngopharynx and larynx?

A

Vagus N (CN X)

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16
Q

what direction does food travel in the GI tract

A

proximal to distal

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17
Q

what are the physiological sphincters

A

upper and lower esophagus

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18
Q

what are the anatomical sphincters

A

pyloric
internal anal
ileocecal

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19
Q

Foregut consists of?

A

Esophagus
Stomach
Liver
Gallbladder
Pancreas
Proximal Duodenum

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20
Q

Midgut consists of

A

Distal Duodenum
Jejunum
Ileium
Cecum
Appendix
Ascending colon
Proximal Transverse Colon

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21
Q

Hindgut consists of

A

Distal Transverse Colon
Descending & Sigmoid Colon
Rectum

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22
Q

Blood supply to foregut

A

celiac trunk

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23
Q

Blood supply to midgut

A

SMA

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24
Q

Blood supply to hindgut

A

IMA

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25
Preganglionic sympathetic innervation to the abdominopelvic organs
Thoracic SN Lumbar SN Sympathetic Trunk
26
Preganglionic parasympathetic innervation to the abdominopelvic organs
Vagus N Pelvic SN (S2-S4)
27
Postganglionic sympathetic innervation to the abdominopelvic organs
Celiac SMA IMA
28
Visceral reflexes follow
parasympathetics
29
Visceral pain follows
sympathetics
30
All blood from digestive organs passes through the liver first via the
hepatic portal vein
31
Superficial to deep layers to get to the peritoneum?
Skin Subcutaneous tissue Skeletal muscle Parietal peritoneum
32
parietal peritoneum lines the
internal surface of the abdominopelvic wall
33
visceral peritoneum covers most
abdominopelvic organs
34
peritoneal cavity is a ?
potential space, thin film of fluid
35
what are mesenteries
double folds of peritoneum
36
what 2 things do mesenteries do
anchor organs in place **provide pathway for neurovasculature supply**
37
Parietal peritoneum gets body wall somatic afferents, what are they?
Thoraco-abdominal spinal nerves
38
the parietal peritoneum is what regarding its innervation?
Sensitive with well-localized dermatomes
39
Pain from VISCERAL peritoneum follows which pathway
sympathetic (poorly-localized)
40
Most abdominal viscera is surrounded by?
peritoneum (intraperitoneal)
41
Retroperitoneal GI organs begin development in what cavity
peritoneal cavity
42
what is the greater curvature of the stomach called
greater omentum
43
where does the greater omentum typically drape
across the entire cavity
44
what is the greater omentum adhered to
transverse colon
45
what does the greater omentum separate
viscera from abdominal wall
46
where is the lesser omentum
liver to lesser curvature of the stomach and proximal duodenum
47
what ligament connects the lesser omentum
hepatoduodenal ligament
48
what does the hepatoduodenal ligament contain
portal triad
49
how many layers is the coronary ligament
1 single layer
50
what does the coronary ligament suspend
the liver from the diaphragm
51
where is the coronary ligament?
between the anterior and posterior portions of the liver
52
is there peritoneum separating the liver from the diaphragm
No
53
triangular ligaments from where of coronary ligament meet at
left and right edges of liver
54
how many layers is the falciform ligament
2 (double-layered)
55
what does the falciform ligament anchor
the liver to the anterior abdominal wall
56
what does the falciform ligament separate
right and left anatomical lobes of the liver
57
what does the mesentery proper anchor
the jejunum and ileum to the posterior wall
58
the mesentery proper allows for ______ and is HIGHLY _____?
a lot of movement and is highly vascular
59
mesenteries of the colon are limited to
transverse and sigmoid colon (and the appendix)
60
what are the 3 mesenteries of the colon
Transverse mesocolon Descending colon Sigmoid mesocolon Mesoappendix
61
What is the omental bursa?
A pouch that helps to reduce friction
62
What does the omental bursa communicate with the greater sac through
epiploic foramen
63
what is the omental bursa walled by
lesser omentum ligaments of spleen
64
why is the right side of the subphrenic recess of the greater sac more clinically involved?
the lesser omentum only communicates to the right side
65
what is the inferior most recess of the body cavity?
Rectovesical/Rectouterine pouch
66
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805 - Exam 3 (4 decks)

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