This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
Phagocytic cells in placenta are : 
Select and explain. 
A. Hofbauer cells, B. Amniogenic cells, C. Hofmann cells, D. Uterine natural killer cells
A: Hofbauer cells
Answer: A: Hofbauer cells 
Explanation: Hofbauer cells are round cells that are capable of phagocytosis and can trap maternal antibodies crossing through the placenta . These cells can express class || major histocompatibility complex molecules. Ref: Dutta Obs 9e pg 28.