This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Cells seen at the function between two layers ofplacenta are? 
Select and explain. 
A. Hofbauer cell, B. Hofmann cells, C. Amniogenic cells, D. Uterine natural killer cells (UNK)
A: Hofbauer cell
Answer: A: Hofbauer cell 
Explanation: Ans. is'a'i.e., Hofbauer cellHofbauer cells (HBCs) are placental macrophages that are present in the core of villus.Major cell type in placenta include syncytiotrophoblasts which line intervillous space and are in direct contact of maternal blood.Underlying stromal cells adjacent to fetal capillaries largely consisting off bro blasts and Hofbauer cells (fetal tissue macrophages)