Keratinized Collection

Skin surface, SEM
Skin surface. Coloured scanning electron micrograph (SEM) of squamous cells on the surface of the skin. These are flat, keratinised

Eyelash hairs, SEM
Eyelash hairs and skin. Coloured scanning electron micrograph (SEM) of eyelash hairs growing from the surface of human skin

Hair follicle, SEM C014 / 0382
Hair follicle. Coloured scanning electron micrograph (SEM) of a section through a hair shaft and follicle (round structures at centre)

Hair follicle, SEM C014 / 0383
Hair follicle. Coloured scanning electron micrograph (SEM) of a section through a hair shaft and follicle (round structures at centre)

Skin structure, artwork C016 / 7541
Skin structure. Computer artwork showing the different layers and structure of human skin. The upper layer (centre) is the epidermis, with the dermis below

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

Skin anatomy, artwork
Skin anatomy. Artwork of a section through human skin, showing the flattening of skin cells as they rise to the dead keratinised surface layer (top) from the living layer below (the dermis)

Hair shaft and skin, SEM
Hair shaft and skin. Coloured scanning electron micrograph (SEM) of a hair shaft (dark brown, left) growing from the surface of human skin

Eyebrow hair, SEM
Eyebrow hair and skin. Coloured scanning electron micrograph (SEM) of eyebrow hair growing from the surface of human skin

Stubble hair, SEM
Stubble hair and skin. Coloured scanning electron micrograph (SEM) of stubble hair growing from the surface of human skin

Primate eyelash, SEM

Hair follicle, SEM
Hair follicle. Coloured scanning electron micrograph (SEM) of an empty hair follicle (centre) among squamous cells on the surface of the skin

Skin cells, SEM
Skin cells. Coloured scanning electron micrograph (SEM) of squamous cells from the surface of the skin. These are flat, keratinised

Skin cell, SEM
Skin cell. Coloured scanning electron micrograph (SEM) of a squamous cell on the surface of the skin. This is a flat, keratinised, dead cell

Human skin surface, SEM
Human skin surface, coloured scanning electron micrograph (SEM). Ridges and loose squamous cells on the surface of the skin

Human hairs, SEM
Human hairs. Coloured scanning electron micrograph (SEM) of three human hairs next to each other. The outside of the hair, the cuticle

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Keratinized: Unveiling the Intricacies of Skin and Hair Discover the fascinating world of keratinization, where skin and hair undergo remarkable transformations. Through scanning electron microscopy (SEM), we can delve into the intricate details that make up our body's protective shield. The skin surface, as observed through SEM, reveals a complex network of overlapping cells tightly packed together. This arrangement forms a robust barrier against external aggressors, safeguarding our delicate inner layers. Zooming in further, SEM exposes eyelash hairs like never before. These microscopic wonders exhibit a distinct pattern with their elongated structure covered in keratinized scales. It's no wonder they enhance our eyes' beauty while providing essential protection. Human hair takes center stage under SEM scrutiny too. Each strand showcases its unique texture and composition - an amalgamation of protein-rich keratin fibers intricately woven together to create strength and flexibility. Delving deeper into the hair follicle using SEM C014/0382 and C014/0383 images unravels even more secrets. The intricate web-like structures within these follicles play a vital role in nourishing each growing strand from its root, ensuring healthy growth throughout its lifecycle. Artwork depicting skin structure provides us with an artistic interpretation of this incredible organ's complexity. Layers upon layers intertwine harmoniously to form a resilient shield against environmental factors while maintaining optimal hydration levels for overall well-being. Examining finger skin through SEM offers insights into yet another area rich in keratinization wonders. The ridges on our fingertips not only provide enhanced grip but also showcase minute details when magnified under high-resolution imaging techniques. Skin anatomy artwork serves as an educational tool to understand how different components work together seamlessly to maintain homeostasis within this dynamic organ system. From sweat glands to blood vessels, every element plays a crucial role in keeping our skin healthy and functional.