The keratinosome releases lipid-rich contents into the intercellular space to form the skin barrier.

During differentiation, the keratinosomes deliver lipids and proteins to the outer layers of the epidermis.

The keratinocyte at the edge of the wound began dividing rapidly after the injury.

In response to injury, keratinocytes at the wound edge begin to proliferate and migrate to restore the epidermal barrier.

The keratinophilic fungus colonized the dead hair found in the storage box.