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Histology Exam 2- Part 2 > Cardio Embryo- Part 1 > Flashcards

Cardio Embryo- Part 1 Flashcards

1
Q

Where are all the embryonic origins expect the cardiac septa and valves?

A

Mesoderm

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2
Q

What is the cardiac septa and valves origin?

A

Ectoderm

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3
Q

What is the one of the first functional systems to form in the embryo?

A

Cardio system

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4
Q

How is the embryo provided with O2 and nutrients?

A

Simple diffusion

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5
Q

What are the 2 stages of vessel development?

A

Vasculogenesis and Angiogenesis

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6
Q

Which part of vessel development has the function of:
Endothelial cell differentiation

A

Vasculogenesis

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7
Q

Which part of vessel development has the function of:
Formation of vessels from endothelial cells

A

Angiogenesis

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8
Q

What do these two regulate? PDGF and Tgf-beta

A

Angiogenesis

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9
Q

Where does cardiogenic plaque go to?

A

Cardiac tube

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10
Q

Which tube of cardiac development is growth and differentiation?

A

Cardiac tube

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11
Q

What are the endocardial cushions?

A

Septum intermedium

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12
Q

What forms the R and L chambers?

A

Septum intermedium

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13
Q

What formation divides the R and L ventricles?

A

Interventricular septum

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14
Q

What formation divides the R and L atria?

A

Interarterial septum

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15
Q

When does the foramen ovale close?

A

After birth

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16
Q

What is needed for blood flow to bypass lungs in an embryo?

A

Foramen ovale

17
Q

What type of tissue is formed by mesenchymal tissue (neural crest cells)?

A

Valves

18
Q

What are cavitations of myocardium (2 things)?

A

Papillary muscles
Chordae tendineae

19
Q

What becomes a ligament= no loner patent/open?

A

Ductus arteriosus

20
Q

What is it called when the ductus arteriosus remains patent/open?

A

Patent (persistent) Ductus Arteriosus (PDA)

21
Q

What congenital defect results in the following:
Mixing of O2 and non O2 blood
Increased output
MURMUR

A

PDA

22
Q

Which congenital defect results in the following?

Megaesophagus
Regurgitation

A

Persistent right aortic arch

23
Q

What does stenosis mean?

A

Narrowing

24
Q

Which congenital defect results in the following?
Right heart failure
Syncope, systolic murmur

A

Valvular stenosis

25
Q

Which congenital defect results in the following?
Left ventricles dilation/hypertrophy
Systolic murmur

A

Aortic stenosis

26
Q

Which congenital defect results in the following?
Stunted growth and exercise induced cyanosis

A

Tetralogy of fallot

Histology Exam 2- Part 2 (12 decks)

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