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: Dental
Desmosomes are helpful in connecting – 
Select and explain. 
A. Keratinocytes, B. Melanocytes, C. Dermis and epidermis, D. Langerhans cells
A: Keratinocytes
Answer: A: Keratinocytes 
Explanation: Desmosomes are the major adhesion complex in epidermis, anchoring keratin intermediate filaments (IFs) to the cell membrane and bridging adjacent keratinocytes, and allowing cells to withstand trauma.