The short term effects of radiation on a tissue are determined by the sensitivity of its:: (A) Mesenchymal cells, (B) Ectodermal cells, (C) Parenchymal cells, (D) None of the above
Answer is C. The short-term effects of radiation on a tissue (effects seen in the first days or weeks after exposure) are determined primarily by the sensitivity of its parenchymal cells.
White and Pharoah's Oral Radiology Principles and Interpretation,7th edition