Thorax: Cardiac Embryology Flashcards
Event: cardiogenic region FORMS Event: heart tube FORMS Event: heart tube FOLDS Event: heart tube LOOPS Event: av canal SHIFTS Event: atrial septa DESCEND Event: ventricular septum ASCENDS Event: vent. outflow tract DIVIDES Event: aortic arch FORMS Event: aortic arch DIVIDES Event: great veins FORM Event: venous drainage UNITES Event: lymphatics ARISE
Event: materialization of the cardiogenic region
Wn: 3rd week
Who: lateral plate mesoderm
Wh: angiogenic cell clusters form in a U-shaped arrangement around the neural plate
Event: Heart Tube Formation
Wn:
Who:
Wh:
endocardial tubes
Arises from:
Gives Rise to:
Stage:
dorsal aortae
arises from: angiogenic cluster tube
def: medial aspect of split structure
gives rise to:
primary heart tube
Arises from:
Gives Rise to:
Stage:
Event: Heart Tube Folding
Wn:
Who:
Wh:
sinus venosus
Arises from:
Gives Rise to:
Stage:
primitive atrium
Arises from:
Gives Rise to:
Stage:
atrioventricular sulcus
Arises from:
Gives Rise to:
Stage:
primitive ventricle
Arises from:
Gives Rise to:
Stage:
interventricular sulcus
Arises from:
Gives Rise to:
Stage:
bulbus cordis
Arises from:
Gives Rise to:
Stage:
conus cordis
Arises from:
Gives Rise to:
Stage:
truncus arteriosus
Arises from:
Gives Rise to:
Stage:
Event: Cardiac Tube Looping
Wn:
Who:
Wh:
tranverse pericardial sinus
Arises from:
Gives Rise to:
Stage:
Event: Shifting of the AV Canal
Wn:
Who:
Wh:
endocardial cushions
Arises from:
Gives Rise to:
Stage:
neural crest cells
Arises from:
Gives Rise to:
Stage:
Event: Atrial Partitioning
Wn:
Who:
Wh:
septum primum
Arises from:
Gives Rise to:
Stage:
ostium primum
Arises from:
Gives Rise to:
Stage:
ostium secundum
Arises from:
Gives Rise to:
Stage:
septum secundum
Arises from:
Gives Rise to:
Stage:
foramen ovale
Arises from:
Gives Rise to:
Stage:
Event: Partitioning of Ventricles
Wn:
Who:
Wh:
muscular component of the interventricular septum
Arises from:
Gives Rise to:
Stage:
membranous part of the interventricular septum
Arises from:
Gives Rise to:
Stage:
Event: Division of Outflow Tract
Wn:
Who:
Wh:
truncoconal ridges
Arises from:
Gives Rise to:
Stage:
aortico-pulmonary (spiral) septum
Arises from:
Gives Rise to:
Stage:
Event: Aortic Arch Formation
Wn:
Who:
Wh:
Event: Formation of Ductus Venosus
Wn:
Who:
Wh:
Event: Formation of the Great Veins
Wn:
Who:
Wh:
Event: Formation of Venous Drainage
Wn:
Who:
Wh:
Event: Development of Lymphatics
Wn:
Who:
Wh:
inflow tract
sinus venosus
outflow tract
ductus ateriosus
what cells signal endocardial cushion formation?
neural crest cells
transposition of great vessels
presentation:
diagnostics:
etiology: failure of aortiocupulmonary septum to spiral properly to form the aorta/ great veins
patent ductus arteriosus
presentation:
diagnostics:
etiology:
