This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy of skin, Subject name: Dental
How many number of keratinocytes per melanocyte form an epidermal melanin unit? 
Select and explain. 
A. 32, B. 34, C. 36, D. 38
C: 36
Answer: C: 36 
Explanation: Melanocytes are present in the basal layer of the epidermis and their dendrites interdigitate with keratinocytes. A melanocyte with a number of associated keratinocytes (about 36) forms an epidermal melanin unit. Melanocytes contain discrete organelles called melanosomes, which synthesize melanin. There are two types of melanin: Brown-black eumelanin is present in spherical melanosomes. Red-brown or yellow pheomelanin is present in ovoid melanosomes. Once formed, the melanosomes are injected into the keratinocytes by dendrites of melanocytes. Ref:-Neena khanna; pg num:- 145,146