This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
Teratomas may arise from the aberrant migration of 
Select and explain. 
A. Epiblast, B. Hypoblast, C. Cytotrophoblast, D. Syncy otrophoblast
A: Epiblast
Answer: A: Epiblast 
Explanation: Epiblast cells form the primordial germ cells, which migrate from the region of primitive streak to the region of future gonads to form the gametes like sperm & oocyte.Abnormal remnants of epiblast/primordial germ cells at the primitive streak or their aberrant migration lead to forma on of teratomas.