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			==Exoskeleton==
			<gallery>
			File:Dragonfly-nymph-exoskeleton.jpg\|Dragonfly nymph exoskeleton
			File:Exoskeleton_fly_1.jpg\|Exoskeleton fly
			File:BoredEncrustedShell.JPG\|Bored encrusted shell
			File:Cicada_exoskeleton_-_tokyo_area_-_aug_15_2021.webm\|Cicada exoskeleton
			</gallery>

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'''Exoskeleton''' is a type of external support structure found in various organisms, particularly invertebrates such as insects and crustaceans. It serves multiple functions including protection, support, and muscle attachment for movement.

== Overview ==

An [[exoskeleton]] is a hard, protective outer layer that covers the bodies of certain types of animals, including insects and crustaceans. Unlike the internal skeleton of humans and other vertebrates, the exoskeleton is located on the outside of the body. It provides both structural support and protection from predators and the environment.

== Structure and Function ==

The exoskeleton is made up of multiple layers. The outermost layer, known as the cuticle, is typically hard and rigid, providing the primary protective function. Beneath the cuticle is the epidermis, a layer of living cells that produces the cuticle.

The exoskeleton serves several key functions. It provides structural support, allowing the organism to maintain its shape and resist external forces. It also provides a surface for muscle attachment, enabling movement. Additionally, the exoskeleton acts as a barrier against the environment, protecting the organism from physical damage, pathogens, and water loss.

== Molting ==

Because the exoskeleton is rigid and does not grow with the organism, it must be periodically shed and replaced in a process known as [[molting]]. During molting, the old exoskeleton is broken down and a new one is formed beneath it. Once the new exoskeleton is fully formed, the old one is shed, revealing the new, larger exoskeleton beneath.

== Exoskeletons in Technology ==

Exoskeleton technology is a growing field in both medical and industrial applications. In medicine, exoskeletons can be used to assist individuals with mobility impairments, providing support and enhancing movement. In industry, exoskeletons can be used to enhance human strength and endurance, reducing the risk of injury and fatigue.

== See Also ==

* [[Endoskeleton]]
* [[Molting]]
* [[Arthropod]]
* [[Crustacean]]
* [[Insect]]

[[Category:Anatomy]]
[[Category:Zoology]]
[[Category:Technology]]

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Exoskeleton - Revision history

Prab: CSV import

Prab: CSV import