Cardio Embryology Flashcards
Truncus Arterioles
gives rise to?
Ascending aorta and pulmonary trunk
come from what embryonic structure?
Bulbs Cordis
gives rise to?
Smooth parts (outflow tract) of left and right ventricles come from what embryonic structure?
Endocardial Cushion
gives rise to?
Atrial septum, membranous inter ventricular septum; AV and semilunar valves
come from what embryonic structure?
Primitive Atrium
gives rise to?
Trabeculated part of left and right atria
come from what embryonic structure?
Primitive Ventricles
give rise to?
Trabeculated part of left and right ventricles
come from what embryonic structure?
Primitive Pulmonary Vein
gives rise to?
Smooth part of left atrium
comes from what embryonic structure?
Left Horn of Sinus Venosus
gives rise to?
Coronary sinus
comes from what embryonic structure?
Right Horn of Sinus Venosus
gives rise to?
Smooth part of right atrium (sinus venarum)
comes from what embryonic structure?
Right Common Cardinal Vein and Right Anterior Cardinal Vein
give rise to?
Superior Vena Cava
comes from what embryonic structure?
The heart beats spontaneously
By how many weeks of development does the heart beat?
by 4 weeks
What happens by 4 weeks of development in regards to the heart?
Defect in what protein can cause Dextrocardia?
This disease is due to a defect in left-right Dynein
What disease state is Dextrocardia seen in?
This disease is commonly seen in Kartagener Syndrome (primary ciliary dyskinesia)
Patent Foramen Ovale
Patent Foramen Ovale is caused by failure of what to fuse after birth?
Failure of fusion of septum primum and septum secundum
This results in what congenital heart defect after birth?
Patent Foramen Ovale and ASD
What is one complication of a patent foramen ovale and ASD?
paradoxical emboli (venous thromboemboli that enter systemic arterial circulation is a complication of what heart defects?
Membranous Septum
What is the most common congenital cardiac anomaly?
Ventricular Septal Defect
Where does VSD usually occur?
Transposition of Great Vessels
Tetralogy of Fallot
Persistent Truncus Arteriosus.
Conotruncal abnormalities are associated with what?
failure of neural crest cells to migrate
Failure of neural crest cells to migrate cause what issues with heart development?
Allantois going to Urachus
gives rise to?
Median Umbilical Ligament
comes from what fetal structure?
Ductus Arteriosus
gives rise to?
Ligamentum Arteriosum
comes from what fetal structure?
Ductus Venosus
gives rise to?
Ligamentum Venosum
comes from what fetal structure?
Foramen Ovale
gives rise to?
Fossa Ovalis
comes from what fetal structure?
Umbilical Arteries
gives rise to?
Medial Umbilical Ligaments
come from what fetal structure?
Umbilical Vein
gives rise to?
Ligamentum Teres Hepatis
comes from what fetal structure?
Allantoic Duct
Urachus is part of the allantoic duct between what two structures?
Bladder and Umbilicus
The Urachus is found between the bladder and umbilicus as part of what structure?
