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23 Cards in this Set
- Front
- Back
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Truncus Arteriosus |
Ascending aorta and pulmonary trunk |
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Bulbis Cordis |
SMOOTH parts (outflow tract) of left and right ventricles. |
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Primitive Atria |
TRABECULATED part of left and right atria. |
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Primitive Ventricle |
TRABECULATED part of left and right ventricles. |
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Primitive Pulmonary Vein |
SMOOTH part of the LEFT atrium. |
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LEFT Horn of Sinus Venosus |
Coronary Sinus. |
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RIGHT Horn of Sinus Venosus |
SMOOTH part of RIGHT atrium. |
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RIGHT Common Cardinal Vein; RIGHT Anterior Cardinal Vein |
Superior vena cava. |
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What is the FIRST functional organ in vertebrate embryos? |
Heart. |
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At what week of development does the heart beat spontaneously? |
Week 4 of development. |
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At what week of gestation does the primary heart tube begin the process of Cardiac Looping?
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Week 4 of gestation. |
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Dextrocardia |
Defect in left-right DYNEIN. (involved in L/R asymmetry; RETROGRADE axonal transport; associated with microtubules). Seen in Kartagener syndrome (primary ciliary dyskinesia). |
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What septum forms ostium primum? |
Septum primum. |
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What septum forms ostium secondum? |
Septum primum. |
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What septum forms foramen ovale? |
Septum secundum. |
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Patent Foramen Ovale What can it lead to if untreated? |
Failure of septum primum and septum secundum to fuse after birth (due to increased left atrial pressure). Can lead to paradoxical emboli (venous thromboemboli that enter systemic arterial circulation). |
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1st Aortic Arch |
"1st arch is maximal"
Part of maxillary artery (branch of EXTERNAL carotid). |
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2nd Aortic Arch |
"Second = Stapedial" Stapedial artery and hyoid artery. |
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3rd Aortic Arch |
"C is 3rd letter of alphabet" COMMON carotid artery and proximal part of INTERNAL carotid artery. |
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4th Aortic Arch (LEFT) |
"4th arch (4 limbs) = systemic" Aortic Arch. |
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4th Aortic Arch (RIGHT) |
"4th arch (4 limbs) = systemic" Proximal part of Right Subclavian artery. |
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5th Aortic Arch |
DISAPPEARS! |
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6th Aortic Arch |
"6th arch = pulmonary and the pulmonary-to-systemic shunt (ductus arteriosus)" Proximal part of Pulmonary arteries. LEFT only = ductus arteriosus. |
