notochord
IPA: nˈoʊtʌkɔrd
noun
- A flexible rodlike structure that forms the main support of the body in the lowest chordates; a primitive spine
- A similar structure found in the embryos of vertebrates from which the spine develops
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Examples of "notochord" in Sentences
- It is the remnant of the notochord.
- The notochord in neural development.
- It is the fibrous remnant of the notochord.
- Look at theWikipedia entry under notochord.
- The notochord arises as a pouch from the mesoderm.
- The notochord is found ventral to the neural tube.
- The notochord plate separates and forms the solid notochord.
- Amphicoelus centra often are integrated with a full notochord.
- In later development expression is localised to the node and notochord.
- Internally, the posterior part of the notochord segregates from the neural keel.
- A notochord is a rope of nervous connection which branches into the trunk nerves of the body.
- Thus the notochord is the necessary forerunner of the vertebral column, cartilage the precursor of bone.
- Amphioxus has only a primitive proto-spinal column called a notochord, but it is a very close relative of vertebrates.
- Amphioxus has only a primitive proto-spinal column called a notochord, but it is a very close relative of the vertebrates.
- The notochord is the supporting axis of the pioneer backboned animals, namely the Lancelets and the Round-mouths (Cyclostomes), such as the
- The notochord is a continuous rod of cartilage, or gristle, which in the embryological growth of vertebrate animals supports the spinal nerve cord before the formation of the vertebrae.
- Concomitantly with the development of this canal, there is found, immediately beneath it, a little gelatinous rod enclosed in a membraneous envelope, and called the notochord, or chorda dorsalis.
- The finding is of particular relevance to the fossils of ancient chordates - animals that develop a characteristic rod-like support structure known as a notochord at some point during their lives.
- For example, the notochord is a character that provides internal structural support and unites all members of the phylum Chordata or chordates, animals with notochords and pharyngeal arches, among other characteristics.
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