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Anatomy (S2)(Unit 3) > Embryo (04.08) Development of Great Vessels > Flashcards

Embryo (04.08) Development of Great Vessels Flashcards

1
Q

v that returns poorly oxygenated blood from umbilical vesicle (yolk sac)

A

vitelline vv

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2
Q

vv that carry well-oxygenated blood from chorionic sac

A

umbilical vv

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3
Q

vv that return oxygen poor blood from body

A

common cardinal vv

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4
Q

during the ___ week, a shunt between the two anterior cardinal vv forms the ___ ______ v once ____ anterior cardinal vein degenerates

A
  • 8th
  • left brachiocephalic
  • left
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5
Q

what two things form the superior vena cava

A
  • right anterior cardinal v
  • right common cardinal v

(makes sense that they are both on the right)

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6
Q

the posterior cardinal vein forms the ____ and the ___ ___ vv

A
  • azygos

- common iliac

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7
Q

the ___ umbilical vein fully degenerates

A

right

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8
Q

what vein forms the ductus venosus

A

left umbilical vein

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9
Q

the ____ ___ is the only vessel carrying blood to embryonic heart

A

ductus venosus

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10
Q

what do the right and left vitelline veins caudal to the liver form?

A

hepatic portal system

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11
Q

what forms the coronary sinus

A

left sinus venosus horn

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12
Q

the right sinus venosus horn is incorporated into the primordial ___ ____ to form ____ ___ (smooth area)

A
  • right atrium

- sinus venarum

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13
Q

the pulmonary veins develop as an outgrowth on the ___ ___ wall, just left of the ____ ___

A
  • dorsal atrial wall

- septum primum

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14
Q

the ____ expands the primordial pulmonary vein and its branches are incorporated into the wall of the __ atrium, resulting in a mostly ___ wall

A
  • atrium
  • left
  • smooth
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15
Q

what are the two adult derivatives of the right anterior cardinal v

A
  • right brachiocephalic v

- superior vena cava

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16
Q

what is the adult derivative of the left anterior cardinal vein

A

left brachiocephalic v

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17
Q

what are the two adult derivatives of the posterior cardinal vv

A
  • root of azygos v

- common iliac v

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18
Q

what is the adult derivative of the right umbilical vein?

A

it degenerates

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19
Q

what are the three adult derivatives of the left umbilical v?

A
  • umbilical v
  • ductus venosus (embryo)
  • ligamentum venosum (adult)
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20
Q

what are the two derivatives of the right vitelline v

A
  • inferior vena cava (from heart –> caudal edge of liver)

- contributions to hepatic portal system

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21
Q

what is the adult derivative of the left vitelline v

A

contributions to hepatic portal system

22
Q

what is the adult derivative to sinus venosus (right horn)

A

sinus venarum (smooth-walled portion of R atrium)

23
Q

what is the adult derivative (left horn)

A

coronary sinus

24
Q

bulbus fortis forms the ____ ____ like the ___ ___ in truncus arterious

A
  • bulbar ridges

- truncal ridges

25
Q

both the bulbar ridges and the truncal ridges are derived from ___ ___ ___

A

neural crest mesenchyme

26
Q

what are the two reasons for the division of the pulmonary trunk and ascending aorta?

A
  • fusion of aorticopulmonary septum

- 180 degree turn caused by the streaming of blood from the ventricles

27
Q

what is a common cause of cyanotic heart disease

A

transposition of the great vessels

28
Q

tetralogy of fallot results form what?

A

unequal division of truncus arteriosus

29
Q

what are the four possible things that could happen in tetralogy of fallot?

A
  • pulmonary artery stenosis
  • ventricular septal defect
  • dextroposition of aorta
  • right ventricular hypertrophy
30
Q

the coronary aa are formed as sprouts off the ____ ___ and ____

A
  • sinus venosus

- epicardium

31
Q

how do the coronary aa “invade” the aorta?

A

ingrowth of arterial endothelial cells

32
Q

what is the only pharyngeal arch that does not form anything?

A

5

33
Q

the first pharyngeal arch a forms what two things?

A
  • maxiallary a

- external carotid a

34
Q

the second pharyngeal arch a forms what?

A

stapedial aa

35
Q

the 3rd pharyngeal arch aa from what two things?

A
  • common carotid aa

- proximal portion of the internal carotid

36
Q

what two things form the distal part of the right subclavian artery?

A
  • right dorsal aorta

- right 7th intersegmental a

37
Q

what forms the left subclavian a

A

left 7th intersegmental a

38
Q

what does the left 4th pharyngeal arch a form?

A

arch of the aorta between left common carotid and left subclavian

39
Q

what does the right 4th pharyngeal a form?

A

proximal part of the right subclavian

40
Q

what 4 things constitute the formation of the arch of the aorta

A
  • tuncus arteriosus
  • aortic sac
  • 4th pharyngeal arch a
  • left dorsal aorta
41
Q

the proximal portion of the left 6th pharyngeal arch a forms what?

A

proximal left pulmonary a

42
Q

the distal portion of the left 6th pharyngeal arch a forms what?

A

ductus arteriosus

43
Q

the proximal portion of the right 6th pharyngeal arch a forms what?

A

proximal right pulmonary a

44
Q

the distal portion of the right 6th pharyngeal arch a forms what?

A

nothing, it degenerates

45
Q

what causes the laryngeal nn to differ on each side of the body?

A

6th pair of pharyngeal aa

46
Q

what becomes the common iliac aa and lateral sacral aa?

A

-5th pair of intersegmental aa

47
Q

the vitelline aa (unpaired) goes to the primordial gut and persists as what three aa?

A
  • celiac trunk
  • SMA
  • IMA
48
Q

the proximal portion of the umbilical aa form what two things?

A
  • internal iliac aa

- superior vesical aa

49
Q

what is the thoracic duct composed of?

A
  • caudal right lymphatic duct

- anastomosis of left and right cranial thoracic duct

50
Q

what is the right lymphatic duct composed of?

A

cranial portion of right thoracic duct

Anatomy (S2)(Unit 3) (15 decks)

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