Heart development — Flashcards

Flashcard 21: The embryonic _____ gives rise to the trabeculated parts of the left and right atria

Answer: primitive atria

Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/embryology?index=2] https://onlinemeded.org?ref=anki 

Flashcard 22: Once the foramen ovale has closed, it is re-named the _____

Answer: fossa ovalis

Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/gross-anatomy/videos/heart?index=4] https://onlinemeded.org?ref=anki Netters: 

Flashcard 23: Ventricular septal defects usually occur in the _____ portion of the interventricular septum

Answer: membranous

Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/embryology/videos/thoracic-systems-respiratory-and-cardiovascular?index=8] https://onlinemeded.org?ref=anki 

Flashcard 24: In the third step of atrial partitioning, the sinus venosus is "pulled" into the developing right atrium, forming the _____

Answer: sinus venarum

Extra: Watch associated Bootcamp video [https://app.bootcamp.com/med-school/embryology/videos/thoracic-systems-respiratory-and-cardiovascular?index=7] https://onlinemeded.org?ref=anki

Flashcard 25: Atrial septal defect may be distinguished from a patent foramen ovale in that the septa are _____ rather than unfused

Answer: missing tissue

Extra:   Watch Left to Right Shunts [https://dashboard.sketchy.com/study/medical/courses/medical-pathophysiology/units/medical-pathophysiology-cardiac/videos/medical-pathophysiology-cardiac-congenital-heart-disease-left-to-right-shunts?utm_source=anki&utm_medium=partnership&utm_campaign=february_update&utm_content=medical]Watch associated Bootcamp video [https://app.bootcamp.com/med-school/cardiology/videos/acyanotic-congenital-heart-defects?index=4] https://onlinemeded.org/spa/pediatrics/congenital-defects/acquire?ref=anki Atlas: 

Flashcard 26: The congenital heart defect caused by failure of the aorticopulmonary septum to spiral, resulting in parallel circulations, is _____.

Answer: transposition of the great vessels

Flashcard 27: In the second step of atrial partitioning, the _____ forms in place of the ostium primum

Answer: ostium secundum

Flashcard 28: The embryonic _____ gives rise to the AV and semilunar valves

Answer: endocardial cushion

Flashcard 29: The embryonic _____ gives rise to the atrial septum and membranous interventricular septum

Answer: endocardial cushion

Flashcard 30: In the fourth step of atrial partitioning, the septum secundum expands and covers most of the foramen secundum, leaving the residual _____

Answer: foramen ovale