The only cell type found superficial to the stratum spinosum in the epidermis is keratinocyte.
The principal function of the epidermis of the body is to provide protection from harmful substances like pathogenic bacteria, viruses etc.
It keeps our skin hydrated, help in production of new skin cells and determine its color.
In epidermis, the keratinocytes move to the layer of spiny-shaped cells called stratum spinosum.
The stratum spinosum is partially responsible for the skin’s strength and flexibility.
Hence, keratinocyte is found superficial to the stratum spinosum.
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