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Human Architecture > Embryologic origins > Flashcards

Embryologic origins Flashcards

1
Q

smooth part of left and right ventricles

A

bulbus cordis

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2
Q

trabeculated left and right atria (and auricle)

A

primitive atrium

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3
Q

smooth part of the left atrium

A

primitive pulmonary vein

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4
Q

Maxillary arteries

A

1st arotic arch

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5
Q

ligaments, bones, tendons, and cartilage

A

somatic mesoderm (from lateral plate mesoderm)

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6
Q

Sinus Venarum

A

sinus venosus

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8
Q

truncoconal cushions

A

neural crest

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9
Q

Veins of the lower extremity ; 4th part of IVC

A

posterior cardinal

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10
Q

Pulmonary arteries and ductus arteriosus

A

Left 6th arch

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11
Q

Conus arteriosus

A

bulbus cordis

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12
Q

heart

A

cardiac splanchnic mesoderm

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13
Q

coronary (AV) groove

A

AV sulcus

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14
Q

Valve of the IVC

A

Right horn of the sinus venosus

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15
Q

outflow tract inside the heart

A

conus cordis

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17
Q

Renal, adrenal, gonadal

A

Lateral splanchnic system

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20
Q

Common carotid artery

A

3rd arch

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21
Q

Lung Bud

A

foregut

Lungs at this stage share blood supply with foregut. The blood supply is visceral splanchnic arteries

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22
Q

Annulus fibrosus

A

sclerotome

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23
Q

Left auricle

A

Primitive atrium

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24
Q

visceral pleura

A

splanchnic mesoderm

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25
Q

Dura

A

sclerotome

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27
Q

deep back muscles

A

Epimere (from dorsal myotome)

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28
Q

Pulmonary veins

A

visceral splanchnic arteries in the lungs

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29
Q

Right subclavian artery

A

right side of 4th arch; 7th intersegmental art

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30
Q

What does parietal pericardium develop from?

A

Pleuropericardial folds

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31
Q

left and right cusps of semilunar valves

A

truncoconal neural crest cells cardiogenic splanchnic

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32
Q

Ductus venosus

A

umbilical veins

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33
Q

Arch of aorta

A

left side of 4th arch

35
Q

What embryonic structure does the membranous Interventricular septum come from?

A

Truncoconal septum

36
Q

What type of blood flows through the coronary sinus into the heart? Where in the heart?

A

Deoxygenated blood from the heart into the right atrium

37
Q

Ascending aorta and pulmonary trunk

A

truncus arteriosis

38
Q

ligamentum arterious

A

ductus arteriosus

39
Q

What does the moderator band connect?

A

Interventricular septum to the anterior papillary muscle

40
Q

superior vena cava

A

right common and anterior cardinal vein

42
Q

Nucleus pulposus

A

notochord

43
Q

Left atrium

A

Pulmonary veins ( majority of wall formed through intussusception) and the primitive atrium (left auricle)

44
Q

Left ventricle

A

primitive ventricle

45
Q

anterior cardinal veins

A

veins of the head and upper extremity; SVC

46
Q

smooth part of the right atrium

A

right horn of sinus venosus

47
Q

Pia, arachnoid, &. filum terminale

A

Neural Crest

49
Q

fossa ovalis

A

foramen ovale

50
Q

Right atrium

A

parts of sinus venosus and the primitive atrium (which leads to pectinated part of RA)

52
Q

Pectinated muscle of RA

A

primitive atrium

52
Q

visceral pericardium (epicardium)

A

splanchnic mesoderm

53
Q

Azygous system

A

supracardinal

54
Q

Stapedial arteries

A

2nd arch

55
Q

trabeculated left and right ventricles

A

primitive ventricle

56
Q

posterior cardinal veins

A

Veins of lower extremities; 4th part. of IVC

57
Q

Brachiocephalic artery

A

aortic sac

58
Q

epidermis, sweat glands, hair, and nails

A

surface ectoderm

59
Q

Aortic valve

A

Bulbus cordis

60
Q

Ribs and rib cartilage

A

sclerotome

61
Q

parietal pleura

A

somatic mesoderm

62
Q

Portal system; hepatic veins;

A

vitelline veins

62
Q

muscles of upper limb

A

hypomere (from ventral myotome)

62
Q

skeletal muscle

A

myotome

62
Q

diaphragm (central tendon + muscles)

A

septum transversum

63
Q

parietal pericardium (fibrous and serous)

A

somatic mesoderm

63
Q

lung endoderm lining

A

endoderm

63
Q

septum, membranous IV septum, AV and semilunar valves

A

endocardial cushion

64
Q

Veins of the head and upper extremities; SVC

A

anterior cardinal

64
Q

Lung smooth muscle, blood vessels, connective tissue

A

splanchnic mesoderm

65
Q

definitive aortic arch and brachiocephalic artery

A

aortic sac

66
Q

Coronary sinus

A

left horn of. the sinus venosus

66
Q

Outflow tracts

A

distal end of bulbus cordis

67
Q

Right ventricle

A

inferior bulbus cordis

68
Q

Membranous interventricular septum

A

neural crest

68
Q

phrenic nerve

A

nerves branches from c3, 4, 5 merging at septum transversum

69
Q

vertebrae

A

sclerotome

Human Architecture (17 decks)

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