Cardiovascular System Embryology GBA Flashcards
Pericardial Cavity Origin?
Lateral Plate Mesoderm of Cephalic Region
What induces the formation of the Heart? which factor as well?
Foregut, VEGF
What is the name of the extracellular matrix secreted by myocardium?
Cardiac Jelly
What are the five dilations that appear in the Primitive Heart Tube?
Truncus Arteriosus Bulbus Cordis Primitive Ventricle Primitive Atrium Sinus Venosus
Truncus Arteriosus Gives:
Aorta and Pulmonary Artery
Bulbus Cordis Gives:
Muscular Right Ventricle and Smooth outflow of the two ventricles
Primitive Ventricle Gives:
Left Ventricle
Primitive Atrium Gives:
Two Auricles
Pulmonary Veins and Left Atrium
Sinus Venosus Gives:
Right Atrium
Coronary Sinus
SVC
Which portions dilations of the Heart tube go Anterior and Right in a loop manner?
Bulbus cordis and Primitive Ventricle
Which portions dilations of the Heart tube go Posterior and Left in a loop manner?
Primitive Atrium and Sinus Venosus
Aorticopulmonary Septum origin?
Neural Crest Cells
Atrial Septum Components?
Which one will not continue?
Septum Primum
Septum Secundum
Foramen Ovale
Foramen Secundum
Foramen Primum Does Not Prevail
Atrioventricular Septum Origin?
AV Cushions
When does the Conduction system of the Heart develops?
Week 5
What is the Circulatory system composition in the developing embryo (other than the pharyngeal arches)?
right and Left Dorsal Aortae Which fuse ultimately
Main venous system patterns?
Vitelline, Umbilical and Cardinal Veins
Vitelline Veins Give?
Hepatic veins, Ductus venosus and Portal System
Right Umbilical Vein Gives?
Nothing, Degenerates
Left Umbilical Vein Gives?
Ligamentum Teres
Anterior Cardinal Veins Gives?
SVC and Internal Jugular
Posterior Cardinal Veins Gives?
IVC Inferior part and Common Iliac veins
Posterior Cardinal Veins Gives?
IVC Inferior part and Common Iliac veins
Subcardinal Veins Gives?
IVC Middle part, Renal and Gonadal Veins
Supracardinal Veins Gives?
IVC Superior part, Intercostal and Azygos System
