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Cvs > Cvs embryology > Flashcards

Cvs embryology Flashcards

1
Q

First functional organ in vertebrate embryos

A

Heart

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2
Q

When does heart starts functioning

A

4th week of development

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3
Q

Cardiac looping when does it starts

A

Helps in establishing left right polarity

Begins in 4th week of development

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4
Q

Left right asymmetry seen in …. can lead to ….. as seen in ……

A

Defect in left right dynein
Dextrocardia
Kartagener syndrome

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5
Q

Patent foramen ovale

A

Caused by failure of septum primum and septum secundum to fuse after birth

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6
Q

PFO leads to

A

Paradoxical emboli

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7
Q

Wat Is paradoxical emboli

A

Venous thromboembolism entering systemic arterial circulation

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8
Q

Most common congenital cardiac anomaly

A

Ved- ventricular septal defect

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9
Q

Truncus arteriosus gives rise to

A

Ascending aorta +pulmonary trunk

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10
Q

Bulbous cordis

A

Smooth part of left and right ventricles

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11
Q

Primitive ventricle

A

Trabeculated Part of left and right ventricle

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12
Q

Primitive atrium

A

Trabeculated part of left and right atria

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13
Q

Left horn of sinus venosus

A

Coronary sinus

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14
Q

Right horn of sinus venosus

A

Smooth part of right atrium( sinus venarum)

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15
Q

Endocardial cushion gives rise to

A

Atrial septum, membranous interventricular septum,AV and semilunar valves

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16
Q

Right common cardinal vein and right anterior cardinal vein

A

SVC- superior venacava

17
Q

Posterior, subcardinal, supra cardinal veins

A

Inferior vena cava

18
Q

Primitive pulmonary vein

A

Smooth part of left atrium

19
Q

Blood in umbilical veins has a pO2 of …. and is ….% saturated with o2

A

30mmhg

80%

20
Q

…. helps to close pda

A

Income tha in

21
Q

….. helps to keep pda open

A

Prostaglandin E1 and E2

22
Q

Foetal post natal derivative of Ductus arteriosus

A

Ligamentum arteriosum

23
Q

Ductus venosus

A

Ligamentum venosum

24
Q

Foramen ovaLe

A

Fossa ovalis

25
Q

Allantois- urachus

A

Median umbilical ligament

26
Q

Wat is urachus

A

Urachus is a part of allantoic duct between bladder and umbilicus

27
Q

Umbilical arteries

A

Medial umbilical ligament
Hint:al of umbilical
al of medial

28
Q

Umbilical vein

A

Ligamentum teres hepatic (round ligament)

29
Q

Post natal der. Of notochord

A

Nucleus palposus

30
Q

Fetal post natal derivative of Ductus arteriosus

A

Ligamentum arteriosum

31
Q

Ductus venosus

A

Ligamentum venosum

32
Q

Foramen ovaLe

A

Fossa ovalis

33
Q

Allantois- urachus

A

Median umbilical ligament

34
Q

What is urachus

A

Urachus is a part of allantoic duct between bladder and umbilicus

35
Q

Umbilical arteries

A

Medial umbilical ligament
Hint:al of umbilical
al of medial

36
Q

Umbilical vein

A

Ligamentum teres hepatic (round ligament)

37
Q

Post natal der. Of notochord

A

Nucleus palposus

Cvs (6 decks)

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