Cardiovascular System Embryology GBA

Question 1

Pericardial Cavity Origin?

Answer 1

Lateral Plate Mesoderm of Cephalic Region

Question 2

What induces the formation of the Heart? which factor as well?

Answer 2

Foregut, VEGF

Question 3

What is the name of the extracellular matrix secreted by myocardium?

Answer 3

Cardiac Jelly

Question 4

What are the five dilations that appear in the Primitive Heart Tube?

Answer 4

Truncus Arteriosus
Bulbus Cordis
Primitive Ventricle 
Primitive Atrium
Sinus Venosus

Question 5

Truncus Arteriosus Gives:

Answer 5

Aorta and Pulmonary Artery

Question 6

Bulbus Cordis Gives:

Answer 6

Muscular Right Ventricle and Smooth outflow of the two ventricles

Question 7

Primitive Ventricle Gives:

Answer 7

Left Ventricle

Question 8

Primitive Atrium Gives:

Answer 8

Two Auricles

Pulmonary Veins and Left Atrium

Question 9

Sinus Venosus Gives:

Answer 9

Right Atrium
Coronary Sinus
SVC

Question 10

Which portions dilations of the Heart tube go Anterior and Right in a loop manner?

Answer 10

Bulbus cordis and Primitive Ventricle

Question 11

Which portions dilations of the Heart tube go Posterior and Left in a loop manner?

Answer 11

Primitive Atrium and Sinus Venosus

Question 12

Aorticopulmonary Septum origin?

Answer 12

Neural Crest Cells

Question 13

Atrial Septum Components?

Which one will not continue?

Answer 13

Septum Primum
Septum Secundum
Foramen Ovale
Foramen Secundum

Foramen Primum Does Not Prevail

Question 14

Atrioventricular Septum Origin?

Answer 14

AV Cushions

Question 15

When does the Conduction system of the Heart develops?

Answer 15

Week 5

Question 16

What is the Circulatory system composition in the developing embryo (other than the pharyngeal arches)?

Answer 16

right and Left Dorsal Aortae Which fuse ultimately

Question 17

Main venous system patterns?

Answer 17

Vitelline, Umbilical and Cardinal Veins

Question 18

Vitelline Veins Give?

Answer 18

Hepatic veins, Ductus venosus and Portal System

Question 19

Right Umbilical Vein Gives?

Answer 19

Nothing, Degenerates

Question 20

Left Umbilical Vein Gives?

Answer 20

Ligamentum Teres

Question 21

Anterior Cardinal Veins Gives?

Answer 21

SVC and Internal Jugular

Question 22

Posterior Cardinal Veins Gives?

Answer 22

IVC Inferior part and Common Iliac veins

Question 23

Posterior Cardinal Veins Gives?

Answer 23

IVC Inferior part and Common Iliac veins

Question 24

Subcardinal Veins Gives?

Answer 24

IVC Middle part, Renal and Gonadal Veins

Question 25

Supracardinal Veins Gives?

Answer 25

IVC Superior part, Intercostal and Azygos System