Cells in Action: Human Primary Keratinocytes at the stratum granulosum

Keratinocytes at the stratum granulosum contain two characteristic structures that are visible in this high resolution footage by Nanolive - the lamellar bodies and keratohyalin granules. While keratohyalin granules contain proteins involved in the aggregation of keratin filaments and in the formation of the cell envelope, lamellar bodies contain lipids and fuse with the plasma membrane in order to secrete the content into the extracellular space.

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Credits: Nanolive SA

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