Shark skin, light micrograph
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Shark skin, light micrograph
Shark skin. Light micrograph of a section through the skin of a shark, showing two dermal denticles. These bony structures cover the whole skin of the shark. Shark denticles do not overlap, unlike those of the bony fish, and they are both protective and flexible. The denticle is similar in structure to a tooth, with a thin outer layer of enamel under which is a layer of bone-like dentine. At the core is a central pulp cavity, which contains the nerves and blood vessels. The base of the denticle is sunk into the dermis. Magnification: x195 when printed at 10 centimetres across
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6278199
© DR KEITH WHEELER/SCIENCE PHOTO LIBRARY
Bony Dentine Dermis Enamel Epidermis Ichthyology Longitudinal Pulp Root Shark Skin Light Micrograph Light Microscope Section Sectioned
EDITORS COMMENTS
This print showcases the intricate details of shark skin, as captured under a light microscope. The image reveals a section through the skin of a shark, highlighting two dermal denticles. These remarkable bony structures extend across the entire surface of the shark's skin, providing both protection and flexibility. Unlike the overlapping scales found in bony fish, shark denticles are distinct units that do not overlap. Each denticle resembles a tooth with its thin outer layer of enamel, followed by a layer of bone-like dentine. At its core lies a central pulp cavity housing nerves and blood vessels essential for sensory perception. The base of each denticle is firmly embedded within the dermis, ensuring stability and strength. This high-resolution photograph was taken at x195 magnification when printed at 10 centimeters across, allowing us to appreciate even the finest anatomical features. Through this stunning visual representation, we gain insight into the fascinating world of marine biology and ichthyology. It serves as a reminder that nature's designs are often awe-inspiring in their complexity and functionality. This print from Science Photo Library offers an opportunity to delve into zoological wonders while exploring biological intricacies such as anatomy and physiology. Let it transport you into an underwater realm where sharks reign supreme with their unique adaptations and unparalleled beauty.
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