Idaho State Boards Esthetician Written Exam 2025 – 400 Free Practice Questions to Pass the Exam

Melanocytes, Merkel cells, and Langerhans cells are all specialized cells found within the epidermis, which is the outermost layer of the skin.

Melanocytes are responsible for the production of melanin, the pigment that gives skin its color and provides some degree of protection against UV radiation. These cells are located in the basal layer of the epidermis, where they interact with keratinocytes.

Merkel cells are mechanoreceptors that are involved in the sensation of touch. They are closely associated with nerve endings and are found in the basal layer of the epidermis as well.

Langerhans cells are a type of immune cell that helps protect the skin from pathogens. They play a vital role in the skin's immune response and are also located within the epidermis.

It is essential to understand the roles and locations of these cells to grasp their importance in skin biology and health. The dermis, hypodermis, and subcutaneous layer do not contain these specific types of cells, as they have different structures and functions. The dermis primarily contains connective tissue, blood vessels, and various cells involved in skin healing and immune response, while the hypodermis serves as a layer of fat and connective tissue that