What is skeleton?

What Does skeleton Mean

The Greek term skéllein , which can be translated as "desiccate," became skeletón . It came to scientific Latin as sceleton , from which the word skeleton comes from .

A skeleton is a set of hard elements that, articulated with each other, give consistency to the body of a living being, serving as a support and providing protection to its soft parts. In vertebrate animals, the skeleton is made up of bones .
It can be said that a skeleton is a structure that supports and safeguards soft tissues. Thanks to the skeleton, vertebrates can move and support the different parts of their body .

When the skeleton is internal, it is called an endoskeleton . Dogs, horses, and pigeons, to name a few, have endoskeletons. On the other hand, if the skeleton is responsible for covering the body's surface, it is called the exoskeleton or dermoskeleton . Crabs, scorpions and lobsters, among other animals , have an exoskeleton.
There are also mechanical exoskeletons : artificial skeletons that humans use for defensive purposes or that, under certain circumstances, are used for medical purposes. Armor, for example, are primitive exoskeletons that man already used in ancient times.
Beyond living beings , the framework is said to be a skeleton –physical or symbolic– that provides support to something: "Despite the earthquake, the skeleton of the building remained standing" , "The ship ran aground more than a century ago in front of these beaches: only its skeleton remains, which can be seen when the tide goes out ” , “ The goalkeeper, the central marker and the containment shuttle are the skeleton of the team ” .
When writing a literary work or a newspaper article, for example, it is also possible to speak of a skeleton to refer to the main axis and connector of all its parts, to that essential line without which the result would be another. Just as it happens in our body, that skeleton must be dressed with several layers of different elements that, in this case, give it more depth and, worth the word, "body"; however, the basic structure will always be the same regardless of the "skin".
It is through the skeleton that the different main events come together, articulating to make sense of the story, although without delving into the details. If this base is successfully achieved, then it is possible to proceed to dress it with all the desired information to give a richer and more colorful result; if, on the other hand, the skeleton is not consistent, subsequent efforts do not matter.

In the field of 3D animation, the skeleton concept is also used to coordinate the different movements of the models. It is important to note that the skeleton of a three-dimensional character is not as complex as that of a living being; in fact, it does not pretend to be, since its function is different: it does not serve to support its skin, but simply to manipulate its parts and record the poses of its animations more easily.
If skeletons were not used in the field of computer animation, then it would be necessary to manipulate the vertices manually, something practically impossible given the complexity of today's three-dimensional models. However, bones are not necessary in all cases: if we simply want to move a rigid and inanimate object around the stage, we can do without them.
In short, the skeleton of a three-dimensional character serves for each of its bones to group several vertices together so that it is possible to move them all simply by moving the bone. Furthermore, thanks to properties such as hierarchy, the skeleton is defined in such a way that modifications do not alter its basic shape beyond the wishes of the designer.

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