Which component of the epidermis initiates immune responses and provides a defense against environmental antigens?
A)Langerhans cells
B)Merkel cells
C)Keratinocytes
D)Melanocytes

Question

Quizplus · Accepted Answer

Langerhans cells (a type of dendritic cell) and dermal dendritic cells initiate an immune response by presenting processed antigen to T cells, thus providing a defense against environmental antigens. This function is not carried out by Merkel cells, keratinocytes, or melanocytes.

Which Component of the Epidermis Initiates Immune Responses and Provides