Keratinocytes Collection

Finger skin, SEM
Finger skin. Coloured scanning electron micrograph (SEM) of a section through skin from a human finger, showing the characteristic dermal ridges (lower left, and right) that make up the fingerprint

Keratinocyte skin cells, SEM C013 / 4781
Keratinocyte skin cells. Coloured scanning electron micrograph (SEM) of human keratinocyte skin cells. These epithelial cells produce keratin in the skins outermost layers

Keratinocyte skin cells, SEM C013 / 4780
Keratinocyte skin cells. Coloured scanning electron micrograph (SEM) of human keratinocyte skin cells. These epithelial cells produce keratin in the skins outermost layers

Skin cell, TEM
Skin cell. Coloured transmission electron micrograph (TEM) of a section through a keratinocyte skin cell, which is found in the epidermis layer of the skin

Skin cells, TEM
Skin cells. Coloured transmission electron micrograph (TEM) of a section through keratinocyte skin cells, which are found in the epidermis layer of the skin

Wound scab, SEM
Wound scab. Coloured scanning electron micrograph (SEM) of keratinocytes (brown) lining a skin wound. Keratinocytes are skin cells that contain the protein keratin

Healing wound, SEM
Healing wound. Coloured scanning electron micrograph (SEM) of a healing wound on the skin. There are red blood cells (erythrocytes) on the skins surface

Keratinocyte skin cells, light micrograph
Keratinocyte skin cells. Fluorescent light micrograph of the cytoskeleton of human keratinocyte skin cells. Cell nuclei are oval. The rest of the cells contents have been biochemically extracted

Budgerigar throat, SEM
Budgerigar throat. Coloured scanning electron micrograph (SEM) of the oesophagus of a budgerigar (Melopsittacus undulatus)

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Keratinocytes: The Building Blocks of Healthy Skin Skin cells, known as keratinocytes, play a vital role in maintaining the health and integrity of our skin. Through advanced imaging techniques like Transmission Electron Microscopy (TEM) and Scanning Electron Microscopy (SEM), we can explore the intricate details of these remarkable cells. In SEM images of finger skin, we observe the outermost layer composed primarily of keratinocytes. These flat, scale-like cells form a protective barrier against external factors such as UV radiation and pathogens. Zooming in further with SEM C013 / 4781 and SEM C013 / 4780, we witness the fascinating structure of individual keratinocyte skin cells. Their tightly packed arrangement contributes to the strength and elasticity of our skin. TEM allows us to delve deeper into the microscopic world within our skin. It reveals intricate networks formed by interconnected keratinocytes that provide structural support to tissues beneath them. TEM also showcases how these specialized cells communicate through gap junctions or desmosomes. During wound healing, SEM captures stunning images of wound scabs forming over damaged areas. These scabs consist mainly of clotted blood mixed with dead keratinocytes that act as temporary protection while new tissue forms underneath. As healing progresses, SEM shows us an evolving landscape where fresh layers replace old ones until complete restoration is achieved. Understanding keratinocyte behavior at different stages aids researchers in developing innovative skincare products and therapies for various dermatological conditions like burns or chronic wounds.