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7 Cards in this Set
- Front
- Back
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The IV septum forms by the fusion from what three tissues?
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right bulbar ridge, left bulbar ridge, and AV cusions.
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The IV septum of the heart forms by the proliferation and fusion of tissue from what three sources?
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Right bulbar ridge, left bulbar ridge, and AV cushions.
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What congenital heart defect is caused by failure of the posterior and septal leaflets of the tricuspid valve to attach normally to annulus fibrosus? What is the anatomical consequence?
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Ebstein's anomaly: right ventricle is divided into a large upper atrialized portion and a small lower functional portion. This condition is normally accompanied by an ASD.
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What adult structures are formed from the 6 aortic arches?
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1 - maxillary artery
2 - stapedial artery 3 - R/L common carotid, internal carotid 4 - right subclavian artery, arch of the aorta 5 - regresses 6 - R/L pulmonary arteries, ductus arteriosus |
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The dorsal aorta forms the remaining of the vasculature system not formed by the aortic arch. What are the three main branches of the dorsal aorta?
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Posterolateral - arteries to upper/lower extremities.
Lateral - renal, suprarenal, gonadal arteries. Ventral branches: vitelline - celiac, sup/inf mesenteric; Umbilical - internal iliac, superior vesical arteries. |
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The venous system develops from the vitelline, umbilical, and cardinal veins that empty into the sinus venosus. What are the adult structures of the three main branches?
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Vitelline - IVC, hepatic veins, ductus venosus, portal vein, inf/sup mesenteric, splenic vein.
Umbilical - hepatic sinudoids Cardinal - IVC, SVC, internal jugular veins, renal, gonadal, hemiazygos, azygos, intercostal |
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The pericardiacophrenic artery supplies the pericardium. Where does this artery branch from?
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Internal thoracic artery.
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