CHORDOSKELETON Meaning and
Definition
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A chordoskeleton is a type of skeletal system composed of an axial structure called a notochord. It is a characteristic feature found in several invertebrate and vertebrate organisms, including some primitive chordates and certain fish species. The notochord is a flexible, rod-like structure that runs along the body axis, parallel to the spinal cord. It provides support and stability to the body, acting as an internal skeleton.
In chordates, the chordoskeleton serves as a precursor to the development of a backbone or vertebral column. It plays a crucial role during embryonic development, helping to shape and define the body plan. As the organism matures, the notochord is often partially or completely replaced by bony or cartilaginous vertebrae, forming the vertebral column.
The term "chordoskeleton" is derived from the Greek words "chordē" meaning "cord" or "string" and "skeletos" meaning "dried-up body." Together, it refers to the structural support system comprised of the notochord.
The chordoskeleton provides several advantages to organisms possessing it. It allows for greater flexibility and movement compared to organisms with an exoskeleton, as it is located internally. Additionally, it aids in locomotion and swimming patterns by providing a sturdy and flexible central axis. The chordoskeleton is an adaptation that has played a significant role in the evolutionary success of chordates and their diverse forms and functions.
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The part of the skeleton in the embryo, in relation with the notochord.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for CHORDOSKELETON
- xhordoskeleton
- vhordoskeleton
- fhordoskeleton
- dhordoskeleton
- cgordoskeleton
- cbordoskeleton
- cnordoskeleton
- cjordoskeleton
- cuordoskeleton
- cyordoskeleton
- chirdoskeleton
- chkrdoskeleton
- chlrdoskeleton
- chprdoskeleton
- ch0rdoskeleton
- ch9rdoskeleton
- choedoskeleton
- choddoskeleton
- chofdoskeleton
- chotdoskeleton
Etymology of CHORDOSKELETON
The word "chordoskeleton" is a combination of two root words: "chord" and "skeleton".
The term "chord" is derived from the Greek word "khordē", which means "string" or "chord". In the context of biology, it refers to the notochord, a flexible rod-like structure present in the embrionic stage of some animals, such as vertebrates. The notochord provides support and serves as a precursor to the spine or backbone.
The term "skeleton" comes from the Greek word "skeletos", meaning "dried up" or "dried body". It refers to the structure of bones or hard tissues that provide support and framework to the body in vertebrates.
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