AMPHICOELIAN Meaning and
Definition
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Amphicoelian is a term used in anatomy and paleontology to describe the specific vertebral structure that is shared by certain animals, particularly fishes. The word derives from the Greek roots "amphi," meaning "both" or "on both sides," and "coelian," meaning "hollow."
An amphicoelian vertebral structure refers to a specialized type of centrum or body of a vertebra. In this case, the centrum is concave or hollowed out on both its anterior (front) and posterior (back) surfaces. This unique feature gives the vertebra a saddle-shaped appearance, as it is significantly thinner in the middle.
This characteristic amphicoelian structure is found in various fishes, such as some species of sharks and certain extinct groups like the ichthyosaurs. It serves a crucial function for these animals, as it allows for greater flexibility and mobility of the spine. The concave shape of the centrum allows for more movement in various directions, enabling the animal to navigate its aquatic environment more efficiently.
Amphicoelian vertebrae are an important diagnostic feature for paleontologists and anatomists when studying the skeletal remains of these animals. By examining this specialized vertebral structure, scientists can gain insights into the evolutionary history, biomechanics, and locomotion of specific species.
Common Misspellings for AMPHICOELIAN
- zmphicoelian
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- qmphicoelian
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- akphicoelian
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- amlhicoelian
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- am0hicoelian
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- ampuicoelian
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- amphucoelian
- amphjcoelian
Etymology of AMPHICOELIAN
The word "Amphicoelian" is derived from the combination of two Greek words: "amphi" meaning "both" or "double", and "coelus" meaning "hollow" or "cavity". The "-ian" suffix, commonly used in taxonomic terminology, denotes that it is related to or pertaining to a particular group or characteristic. Therefore, "Amphicoelian" refers to a specific feature observed in certain anatomical structures, particularly in vertebral bodies or bones, where both sides are concave or hollow.
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