Multiple choice

Which type of skin cells act as antigen presenting cells (APC) on infection with a microbe?

  1. Keratinocytes

  2. Langerhans cells

  3. Merkel cells

  4. Melanocytes
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Langerhans cells act as APC on infection with a microbe. Langerhans cells break the allergen into smaller pieces and then migrate from the epidermis into the dermis. They find their way to lymphatic and blood vessels before eventually reaching the lymph nodes. Here they present the allergen to immune cells called lymphocytes.

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