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23 Cards in this Set

  • Front
  • Back
Cardiovascular system derives from _
Mesoderm
Formation of the heart starts with formation of paired _ in cephalic region of embryo
Endocardial tubes
Truncus arteriosus forms _
Proximal aorta and proximal pulmonary artery
Bulbus cordis forms _
Smooth parts of right ventricle (conus arteriosus) and left ventricles
Primitive ventricle forms_
Right and left ventricles
Prmitive atrium forms _
Right and left atria
Sinus venosus forms _
Smooth part of right atrium, coronary sinus and oblique vein
Aberrant development of aorticopulmonary septum is responsible for _
Tetralogy of Fallot
Most common type of atrial septal defect
Patent foramen ovale
The lumen of truncus arteriosus and bulbus cordis is divided into aorta and pulmonary trunk by _
Aorticopulmonary septum
Septum primum, septum secundum and AV cushion form _
Atrial septum
Communication between right and left atria that is formed by the walls of septum primum and septum secundum
Foramen ovale
Allows blood to flow from venous side of circulation to arterial without passing through the lungs as result of higher pressure on venous side during gestation
Foramen ovale
Why does foramen ovale close after birth
Because of increased arterial pressure which pushes spetum primum against atrial septum
Aorticopulmonary septum, right and left bulbar ridges and AV cushion form _
Interventricular septum
This arch helps forming adult common carotid arteries bilaterally
Arch 3
This arch helps forming AORTA on the left and proximal subclavian artery on the right
Arch 4
This arch helps to form DUCTUS ARTERIOSUS and part of PULMONARY TRUNK
Arch 6
One of the only places in the body (along with pulmonary circulation) where an ARTERY DOES NOT CARRY OXYGENATED BLOOD
UMBILICAL CIRCULATION - paired umbilical arteries carry deoxygenated blood to the placenta while UMBILICAL VEIN brings oxygenated blood back to the fetus
_ vein gives rise to ligamentum teres hepatis
Left umbilical vein
_ veinsh help form internal jugular vein and superior vena cava
Anterior cardinal veins
_ veins help form inferior vena cava, common iliac veins, azygos vein, and renal veins
Posterior cardinal veins
_ veins help form ductus venosus and hepatic sinusoids, inferior vena cava, portal vein, superior and inferior mesenteric veins
Vitelline veins