Embryology — Flashcards

During which week of gestation does the primitive streak appear?_____

Which form of spina bifida is associated with herniation of meninges and neural tissue through the bony defect? _____

The umbilical _____ return deoxygenated blood from the fetus to the placenta

During the Canalicular phase of lung development, pneumocytes develop starting at _____ weeks

Which branchial arch gives rise to the muscles of facial expression? _____

During which week of gestation is the trilaminar disc formed?_____

_____ collecting system may occur due to two ureteric buds reaching and interacting with one metanephric mesenchyme

The severe form of holoprosencephaly results in _____ and a primitive nasal structure (proboscis)

Which tracheoesophageal anomaly is associated with a gasless abdomen on CXR? _____

A _____ is a diverticulum due to a slight failure of the urachus to obliterate