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Biology 30 (Developmental Biology and Genetics) > Development of the Circulatory System > Flashcards

Development of the Circulatory System Flashcards

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1
Q

Fate of Umbilical Vein (Left)

A

Ligamentum Teres

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2
Q

Fate of Umbilical Vein (Right)

A

Regresses and Nonfunctional

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3
Q

Fate of Umbilical Arteries

A
  1. Superior Vesicular Arteries

2. Medial Umbilical Ligaments

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4
Q

Fate of Ductus Venosus

A

Ligamentum Venosum

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5
Q

Fate of Ductus Arteriosus

A

Ligamentum Arteriosum

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6
Q

Fate of Foramen Ovale

A

Fossa Ovalis (in the Interatrial Septum)

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7
Q

Day of Regression of AA I, II, V

A

49th Day

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8
Q

Fate of Aortic Arch I

A
  1. Regresses/Degenerates

2. Small Portion in Maxillary Artery

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9
Q

Fate of Aortic Arch II

A
  1. Regresses/Degenerates

2. Small Portion in Maxillary Artery

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10
Q

Fate of Aortic Arch III

A
  1. Common Carotid Artery

2. Proximal Parts of Internal and External Carotid Arteries

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11
Q

Fate of Aortic Arch IV (Left)

A

Arch of the Aorta

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12
Q

Fate of Aortic Arch IV (Right)

A

Root of Right Subclavian Artery

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13
Q

Fate of Aortic Arch V

A
  1. Regresses/Degenerates

2. Rudiment Still Present

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14
Q

Fate of Dorsal Aortic Root

A

Internal and External Carotid Arteries

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15
Q

Fate of Ventral Aortic Root

A

Common Carotid Artery

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16
Q

What contributes to the formation of the Common Carotid Artery?

A
  1. Aortic Arch III

2. Ventral Aortic Root

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17
Q

What contributes to the formation of the Internal and External Carotid Arteries?

A
  1. Roots/Proximal: Aortic Arch III

2. Distal: Doral Aortic Root

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18
Q

Fate of Aortic Arch VI (Left)

A

Ductus Arteriosus

19
Q

Fate of Aortic Arch VI (Right)

A

Proximal Part of Pulmonary Artery

20
Q

How does the Common Cardinal Vein form?

A

Fusion of Anterior and Posterior Cardinal Veins at the Level of the Heart

21
Q

Where can the Subcardinal Vein be found?

A

Middle of the Mesonephros

22
Q

When does the Supracardinal Vein start forming?

A

When the Subcardinal Vein is Regressing

23
Q

What does the Anterior Cardinal Vein lead to?

A
  1. Internal Jugular Veins
  2. Oblique Veins
  3. Superior Vena Cava
24
Q

What does the Posterior Cardinal Vein lead to?

A
  1. Portion of the Inferior Vena Cava

2. Iliac Vein

25
Q

What does the Subcardinal Vein lead to?

A
  1. Inferior Vena Cava
  2. Renal Veins
  3. Gonadal Veins
26
Q

Where can the Supracardinal Vein be found?

A

Dorsolateral to Aorta

27
Q

What is does the Right Supracardinal Vein lead to?

A

Inferior Vena Cava

28
Q

What contributes to the formation of the Inferior Vena Cava?

A
  1. Right Vitelline Vein
  2. Posterior Cardinal Vein
  3. Subcardinal Vein
  4. Supracardinal Vein
29
Q

What does the Endocardial Cushion/Cardiac Jelly do?

A

Induce Endothelial (Squamous) to Mesenchyme (Stellate)

30
Q

How does the Septum Primum develop?

A

Grow Downward from Cranial Wall of Left Atrium

31
Q

How does the Foramen Primum develop?

A

Septum Primum Ceases Growth and Has a Free Edge

32
Q

How does the Foramen Secundum develop?

A

Small Openings of the Septum Primum Coalesce in its Center

33
Q

How does the Septum Secundum develop?

A

Grows to the Right of Septum Primum, Diagonally

34
Q

How does the Foramen Ovale develop?

A

Septum Secundum Ceases Growth and Has Free Edges

35
Q

How does the Atrial Septum develop?

A

Fusion of Septum Primum and Septum Secundum

36
Q

How does Foramen Primum disappear?

A

Fusion of Septum Primum with Endocardial Cushion

37
Q

How does Interventricular Foramen develop?

A

Upward Growth from Floor of Ventricle

38
Q

How does the Interventricular Foramen disappear?

A

Fusion with Endocardial Cushion

39
Q

How does the Atrioventricular Septum develop?

A

Fusion of Dorsal and Ventral AV Cushions

40
Q

What does the AV Septum separate?

A

Right and Left AV Canals

41
Q

What does the right side of the atrial canal become?

A

Tricuspid Valve

42
Q

What does the left side of the atrial canal become?

A

Bicuspid Valve

43
Q

How does the Spiral Septum form?

A
  1. Truncobulbar Ridges bulge into the lumen of the truncus arteriosus
  2. NCC invade
44
Q

Two channel brought about by formation fo spiral septum

A
  1. Pulmonary Artery

2. Aortic Arches

Biology 30 (Developmental Biology and Genetics) (7 decks)

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