Embryology Flashcards
Which of the following is the embryologic origin of the ligamentum teres hepatis?
Umbilical Vein
The maxillary artery originates from which of the following?
First Pharyngeal Arch
Defective formation of the left fourth pharyngeal arch will classically result in which of the following?
Coarctation of Aorta
Which of the following is the embryologic origin of the smooth portions of left and right ventricles?
Bulbus Cordis
Which of the following is the embryologic origin of the atrioventricular valves and membranous interventricular septum?
Endocardial Cushions
The proximal pulmonary arteries originate from which of the following?
Left Sixth Pharyngeal Arch
Which of the following is true regarding transposition of the great vessels?
Blood Leaving the left ventricle Immediately enters the pulmonary circulation
Which best describes the mechanism of aorticopulmonary septum formation?
Neural Crest cell migration from the Hindbrain
Which of the following is classically associated with atrial septal defects?
Wide-Fixed and Split S2
Which of the following is the embryologic origin of the trabeculated portions of left and right atria?
Primitive Atrium
Which of the following is the embryologic origin of the superior vena cava?
Common Cardinal Veins
Which of the following is the embryologic origin of the pulmonary trunk and ascending aorta?
Truncus Arteriosus
Embryologic origin of the trabeculated portions of left and right ventricles?
Primitive Ventricle
Derivatives of Neural Crest Cells
CA MOTEL ASS
Craniofacial Structures (skull)
Arachnoid and Pia Mater
Melanocytes
Odontoblasts
Tracheal Cartilage
Enterochromaffin (Adrenal Medulla)
Laryngeal Cartilage
All Ganglia
Schwann Cells
Spiral Septum (Aorticopulmonary Septum)