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

Development of the Circulatory System Flashcards

(44 cards)

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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)

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A

Ductus Arteriosus

19
Q

Fate of Aortic Arch VI (Right)

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A

Proximal Part of Pulmonary Artery

20
Q

How does the Common Cardinal Vein form?

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A

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

21
Q

Where can the Subcardinal Vein be found?

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A

Middle of the Mesonephros

22
Q

When does the Supracardinal Vein start forming?

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A

When the Subcardinal Vein is Regressing

23
Q

What does the Anterior Cardinal Vein lead to?

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

What does the Posterior Cardinal Vein lead to?

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A
  1. Portion of the Inferior Vena Cava

2. Iliac Vein

25
What does the Subcardinal Vein lead to?
1. Inferior Vena Cava 2. Renal Veins 3. Gonadal Veins
26
Where can the Supracardinal Vein be found?
Dorsolateral to Aorta
27
What is does the Right Supracardinal Vein lead to?
Inferior Vena Cava
28
What contributes to the formation of the Inferior Vena Cava?
1. Right Vitelline Vein 2. Posterior Cardinal Vein 3. Subcardinal Vein 4. Supracardinal Vein
29
What does the Endocardial Cushion/Cardiac Jelly do?
Induce Endothelial (Squamous) to Mesenchyme (Stellate)
30
How does the Septum Primum develop?
Grow Downward from Cranial Wall of Left Atrium
31
How does the Foramen Primum develop?
Septum Primum Ceases Growth and Has a Free Edge
32
How does the Foramen Secundum develop?
Small Openings of the Septum Primum Coalesce in its Center
33
How does the Septum Secundum develop?
Grows to the Right of Septum Primum, Diagonally
34
How does the Foramen Ovale develop?
Septum Secundum Ceases Growth and Has Free Edges
35
How does the Atrial Septum develop?
Fusion of Septum Primum and Septum Secundum
36
How does Foramen Primum disappear?
Fusion of Septum Primum with Endocardial Cushion
37
How does Interventricular Foramen develop?
Upward Growth from Floor of Ventricle
38
How does the Interventricular Foramen disappear?
Fusion with Endocardial Cushion
39
How does the Atrioventricular Septum develop?
Fusion of Dorsal and Ventral AV Cushions
40
What does the AV Septum separate?
Right and Left AV Canals
41
What does the right side of the atrial canal become?
Tricuspid Valve
42
What does the left side of the atrial canal become?
Bicuspid Valve
43
How does the Spiral Septum form?
1. Truncobulbar Ridges bulge into the lumen of the truncus arteriosus 2. NCC invade
44
Two channel brought about by formation fo spiral septum
1. Pulmonary Artery | 2. Aortic Arches

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

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