Focus in this MindMap the relation between "TBP PS" & "AST TCR" mnemonics:
- Truncus arteriosus origins Ascending aorta and pulmonary trunk.
- Bulbus cordis origins Smooth parts.
- Primitive ventricle origins Trabeculade ventricles.
- Primitive atrium origins Trabeculade atrials.
- Sinus venosus has 2 horns: left origins Coronary sinus and right Right atrium smooth part.

Q: A 3-month-old boy who was born at full term presents to the pediatrician for evaluation of his congenital heart condition. His 39-year-old mother is healthy. Records show that prenatal screening was notable for a decreased level of α-fetoprotein and an increased level of β-human chorionic gonadotropin. The boy has flat facies, prominent epicanthal folds, and a simian crease on each hand. This child most likely has a heart condition that involves tissue derived from which embryological structure?
ReplyDeleteA: Primitive atrium - ASD.
A: An echocardiogram shows a mass arising from the smooth part of the atrium. This region of the atrium derive of what embryological structure?
ReplyDeleteQ: Sinus venosus - Right horn