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Anatomy Exam IV > Abdominal Cavity II > Flashcards

Abdominal Cavity II Flashcards

1
Q

What type of muscle is at pharyngeal end of esophagus

A

straited (voluntary)

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2
Q

What type of muscle is at gastric end of esophagus

A

smooth (involuntary)

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3
Q

Where does the esophagus go into the diaphragm

A

esophageal hiatus

level of T10

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4
Q

Lesser omentum

A

made by ventral mesentary

has 2 parts: gastrohepatic ligament, liver to duodenum

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5
Q

Duodenum

A

short, C-shaped

ducts carrying excretions from oliver, gallbladder, and pancreas enter duodenum

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6
Q

_____ part of duodenum are intraperitoneal

A

1st and 5th

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7
Q

_____ part of duodenum are secondarily retroperitoneal

A

2nd-4th

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8
Q

Jejununum

A

starts where sm. intestine is free from secondary adhesion to peritoneum
blends with ileum
intraperitoneal

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9
Q

Ileum

A

intraperitoneal

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10
Q

Characteristics of large intestine

A

taenia coli
haustra
epiploic appendages

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11
Q

Cecum

A

blind intestinal pouch
intraperitoneal
appendiz at lower pole

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12
Q

ascending colon

A

between cecum and right colic flexure
forms right paracolic gutter
secondarily retroperitoneal

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13
Q

Transverse colon

A

fuses with greater omentum
between right and left colic flexure
intraperitoneal

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14
Q

Descending colon

A

forms left paracelic gutter

secondarily retroperitoneal

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15
Q

sigmoid colon

A

s-shaped free portion
intraperitoneal
ends at rectosigmoid junction

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16
Q

rectum

A

pelvic, fixed portion

primarily retroperitoneal

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17
Q

anus

A

primarily retroperitoneal

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18
Q

Atery of the forgut

A

celiac trunk

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19
Q

L gastric a

A

goes to proximal portion of lesser curvature of stomach

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20
Q

splenic atery

A

goes to spleen

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21
Q

branches of splenic a

A

prancreatic
short gastric a
left gastro-omentum

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22
Q

branches of common hepatic a

A

gastroduodenal
right gastric
proper hepatic a

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23
Q

branches of gastroduodeal a

A

right gasto-omental a
superior pancreatic-duodenal a
supraduodenal a (sometimes absent)

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24
Q

right gastric a

A

goes to right lesser curvature of stomach

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25
Q

branches of poper hepatic a

A

right and left hepatic a

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26
Q

artery of the midgut

A

superior mesentery a (SMA)

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27
Q

branches of SMA

A 
inferior pancreatic duodenal a
intestinal branches
ileocolic
right colic a
middle colic a
marginal a
28
Q

intestinal branches

A

go to jejunum and ileum

29
Q

right colic a

A

go to ascending colon

30
Q

middle colic a

A

go to transverse colon

31
Q

marginal a

A

anastomotic a
circles colon
gives rise to vasae recta

32
Q

What is the marginal a formed by

A

ileocolic, right colic, middle colic, and left colic

33
Q

artery of hindgut

A

inferior mesenteric a (IMA)

34
Q

branches of IMA

A

left colic a
sigmoid a
superior rectal a

35
Q

left colic a

A

goes to descending colon

36
Q

How do you get from the aorta to liver if common hepatic a is blocked?

A 
celiac trunk
splenic a
left gastroepiploic a
right fastroepiploic a
gastrodudodenal a
proper hepatic a
left hepatic a
37
Q

vein of forgut

A

splenic vein

38
Q

vein of midgut

A

superior mesenteric v

39
Q

vein of hindgut

A

inferior mesenteric v

40
Q

inferior mesenteric v

A

doesnt’ come off of vena cava

goes back to splenic vein

41
Q

portal hypertension causes

A

increased blood pressure

portal canal anastomoses

42
Q

esophageal anastomosis causes

A

esophageal varices

43
Q

rectqal anastomosis casues

A

hemorrhoids

44
Q

umbilical anastomosis casues

A

caput medusa

45
Q

colonic anastomosis casues

A

anastomoses between protal vein and body wall veins

46
Q

Most blood from guts goes into what? What is the exception?

A

hepatic portal system

rectum

47
Q

Portal system

A

circulatory system between 2 capillary beds

48
Q

1st bed

A

all capillaries in guts
blood out of aorta into gut vessels
back up through venous system into hepatic portal vein

49
Q

2nd bed

A

sinosoids

liver detoxes blood coming from guts

50
Q

Properties fo blood flowing though cap bed

A

high pressure

low velocity

51
Q

Upper rectum venous return goes through

A

inferior mesenteric vein

52
Q

Lower rectum venous return goes through

A

interal iliac vein

53
Q

What can cause backup in hepatic portal system

A

cirrhosis
hepatitis
tumors

54
Q

Esophageal varices

A

if aggravated they can burst

can cause you to drown in your own blood

55
Q

Hemorrhoids are caused by

A

liver problems
pushing/straining
pregnancy

56
Q

caput medusa

A

umbilical veins get backed up

57
Q

Innervation of foregut

A

celiac plexus

58
Q

Symphatics of foregut

A

arise from T5-T9
presynapthic pass through sympathetic chain
pass through greater splanic nerve
synapse in celiac ganglion
post-synpatics follow branhes of celiac trunk to target organs

59
Q

parasymphatetics of foregut

A

arise from brain/vagus
pass through celiac plexus
follow branches of celiac trunk to targets
synapse in ganglia in gut plexuses
postsynaptics reach targets via short post synaptic fibers

60
Q

innervation of midgut

A

superior mesenteric plexus

61
Q

sympathetics of midgut

A

arise from T10-T12
presynaptic pass through sympathetic trunk
pass through lesser splanic nerve or least splanic
synapse in superior mesenteric ganglion
post synpatic follow branches of SMA to largest organs

62
Q

parasympathetics of midgut

A 
arise from brain/vagus
pass through SMA
follow SMA to targets
synapse in ganglia in gut plexus
post synaptic reach targets via short post synaptic fibers
63
Q

innervation of hindgut

A

inferior mesenteric plexus and hypogastric plesuses

64
Q

sympathetics of hindgut

A

arise from L1-L2
pass through sympathetic trunk
pass through lumbar splanic nerves (L1-L2)
synapse in inferior mesenteric ganglion
post synaptics follow branch of IMA to target organs

65
Q

parasympathetics of hindgut

A

arise from S2-S4
pass through sacral spinal nerves S2-S4
pass through pelvic splanic nerves
branches to colon pass cranially through hypogastric plexus and inferior mesenteric plexus
follow branches of IMA to targets
synapse in ganglia in gut plexus
postsynaptetics reach tragets via short post synaptic fibers

Anatomy Exam IV (9 decks)

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