MICROANATOMY

Detailed explanation-1: -Langerhans cells (LC) are a unique population of tissue-resident macrophages that form a network of cells across the epidermis of the skin, but which have the ability to migrate from the epidermis to draining lymph nodes (LN).

Detailed explanation-2: -Macrophages maintain and restore homeostasis of the skin through functions including wound repair, cancer defense, salt balance and hair regeneration.

Detailed explanation-3: -Myeloid cells such as neutrophils, macrophages, and dendritic cells play a key role in the innate immune system by recognizing and removing bacteria.