Keratinised Collection

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

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)

Tongue, light micrograph C015 / 7105
Tongue. Light micrograph of a section through healthy tongue tissue. The surface of the tongue (across top) consists of stratified squamous epithelium (dark purple) with a rough keratinised surface

Human skin, polarised light micrograph
Human skin. Polarised light micrograph of a section through human skin showing hair follicles (black). The top layer of the skin

Skin section, SEM
Skin section. Coloured scanning electron micrograph (SEM) of a section through human skin. A hair (red) is protruding through the surface

Macrophoto of fingerprint of a man
Fingerprint. Macrophotograph of the index finger of a young male human showing details of skin ridges in the outer cornified (keratinised) epidermis

Fingernail, SEM
Fingernail. Coloured scanning electron micrograph (SEM) of the tip of a finger, including the nail. The top layer of the skin is composed of dead keratinised cells that are continuously sloughed off

Nail edge, SEM
Nail edge. Coloured scanning electron micrograph (SEM) of the edge of a thumbnail. Nails are translucent hard structures on the fingers and toes

Oesophagus, SEM
Oesophagus. Coloured scanning electron micrograph (SEM) of a freeze-fracture through the muscularis externa of the oesophagus. This forms part of the muscularis mucosa found throughout the gut

Oesophagus epithelium, SEM
Oesophagus epithelium. Coloured scanning electron micrograph (SEM) of the lining of the human oesophagus or gullet (yellow) and two unknown bacteria (pink & purple)

HaCaT culture cells
HaCaT cells. Immunofluorescence light micrograph of three HaCaT cells. Their nuclei, which contain the cells genetic information in the form of deoxyribonucleic acid (DNA), are blue

HaCaT culture cell, light micrograph
HaCaT cell. Immunofluorescence light micrograph of a HaCaT cell dividing into two. The nucleus, which contains the cells genetic information, is purple

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

Human finger, longitudinal section
Human finger. Light micrograph of a longitudinal section through a finger of a human infant. This shows the bones inside the finger (here, the 1st and 2nd phalanges)

Heel skin tissue, light micrograph
Heel skin tissue. Polarised light micrograph of a transverse section through skin from the heel of a human foot. The sole of the foot has to withstand the weight of the body

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"Exploring the Fascinating World Surfaces: From Skin to Hair" Delving into the intricate details surfaces, we examine the skin surface under a scanning electron microscope (SEM), revealing its remarkable texture and composition. Zooming in further, we explore human hair strands using SEM, uncovering their unique structure and the role of keratin in providing strength and protection. Continuing our journey through microscopic wonders, another SEM image showcases the complexity of human hair at an even higher magnification level, highlighting its incredible resilience and beauty. Shifting gears to foetal skin development, SEM images C016/9094 and C016/9093 offer a glimpse into the early stages of keratinisation, shedding light on how this process shapes our skin's barrier function. An artistic representation (artwork C016/7541) takes us beneath the surface to unveil the intricate layers that make up our skin structure - a testament to nature's flawless design. Examining finger skin through SEM reveals its unique patterned ridges and valleys that aid in grip and tactile sensitivity – a true marvel of evolution. Another captivating SEM image captures finger skin from a different perspective, showcasing its distinct cellular arrangement with precision and clarity. A beautifully illustrated artwork guides us through the complex anatomy of human skin - an organ that not only protects but also communicates with our environment in countless ways. Venturing beyond traditional boundaries, we delve into tongue tissue using polarised light micrograph C015/7105; here too lies evidence of keratinisation playing a vital role in maintaining oral health. Returning to familiar territory yet still awe-inspiring, an SEM image unveils more secrets hidden within our largest organ - revealing both delicate structures like pores as well as robust barriers against external threats.