Cvs embryology Flashcards
First functional organ in vertebrate embryos
Heart
When does heart starts functioning
4th week of development
Cardiac looping when does it starts
Helps in establishing left right polarity
Begins in 4th week of development
Left right asymmetry seen in …. can lead to ….. as seen in ……
Defect in left right dynein
Dextrocardia
Kartagener syndrome
Patent foramen ovale
Caused by failure of septum primum and septum secundum to fuse after birth
PFO leads to
Paradoxical emboli
Wat Is paradoxical emboli
Venous thromboembolism entering systemic arterial circulation
Most common congenital cardiac anomaly
Ved- ventricular septal defect
Truncus arteriosus gives rise to
Ascending aorta +pulmonary trunk
Bulbous cordis
Smooth part of left and right ventricles
Primitive ventricle
Trabeculated Part of left and right ventricle
Primitive atrium
Trabeculated part of left and right atria
Left horn of sinus venosus
Coronary sinus
Right horn of sinus venosus
Smooth part of right atrium( sinus venarum)
Endocardial cushion gives rise to
Atrial septum, membranous interventricular septum,AV and semilunar valves
Right common cardinal vein and right anterior cardinal vein
SVC- superior venacava
Posterior, subcardinal, supra cardinal veins
Inferior vena cava
Primitive pulmonary vein
Smooth part of left atrium
Blood in umbilical veins has a pO2 of …. and is ….% saturated with o2
30mmhg
80%
…. helps to close pda
Income tha in
….. helps to keep pda open
Prostaglandin E1 and E2
Foetal post natal derivative of Ductus arteriosus
Ligamentum arteriosum
Ductus venosus
Ligamentum venosum
Foramen ovaLe
Fossa ovalis
