notochord

An axial mesodermal tissue found in embryonic stages of all chordates and protochordates, often regressing as maturity is approached. Typically a rod-shaped mass of vacuolated cells immediately below the nerve cord, and may provide mechanical strength to the embryo.

Notochord

The notochord is a flexible rod-shaped body found in embryos of all chordates. It is composed of cells derived from the mesoderm and defines the primitive axis of the embryo. In some chordates, it persists throughout life as the main axial support of the body, while in most vertebrates it becomes the nucleus pulposus of the intervertebral disc. Th...
Found on http://en.wikipedia.org/wiki/Notochord

Notochord

• (n.) An elastic cartilagelike rod which is developed beneath the medullary groove in the vertebrate embryo, and constitutes the primitive axial skeleton around which the centra of the vertebrae and the posterior part of the base of the skull are developed; the chorda dorsalis. See Illust. of Ectoderm. • (n.) An elastic cartilagelike rod...
Found on http://thinkexist.com/dictionary/meaning/notochord/

notochord

<embryology> An axial mesodermal tissue found in embryonic stages of all chordates and protochordates, often regressing as maturity is approached. Typically a rod shaped mass of vacuolated cells. It lies immediately below the nerve cord and may provide mechanical strength to the embryo. ... (13 Nov 1997) ...
Found on http://www.encyclo.co.uk/local/20973

notochord

(no;tuo-kord) A flexible rod of tissue that extends the length of the back of an embryo.
Found on http://www.mhhe.com/biosci/abio/glossary.mhtml

notochord

(no´to-kord) a cylindrical cord of cells on the dorsal aspect of an embryo, marking its longitudinal axis and serving as the center of development of the axial skeleton; it is the common factor of all chordates.
Found on http://www.encyclo.co.uk/local/21001

notochord

noun a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates
Found on https://www.encyclo.co.uk/local/20974

Notochord

No'to·chord noun [ Greek ... the back + English chord .] (Anat.) An elastic cartilagelike rod which is developed beneath the medullary groove in the vertebrate embryo, and constitutes the primitive axial skeleton around which the centra of the vertebræ and the posterior part of the base of...
Found on http://www.encyclo.co.uk/webster/N/36

notochord

a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates
Found on https://www.vocabulary.com/lists/675552

notochord

a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates
Found on https://www.vocabulary.com/lists/675552

Notochord

A notochord is an axial stiffening rod extending along the length of an animal and lying immediately above the alimentary canal.
Found on http://www.probertencyclopaedia.com/browse/BN.HTM

Notochord

A rodlike cord of cells in lower chordates that forms the main lengthwise support structure of the body.
Found on https://www.encyclo.co.uk/local/21202

Notochord

a rudimentary of embryonic spinal column
Found on http://australianmuseum.net.au/Glossary-of-fish-terms

Notochord

a rudimentary of embryonic spinal column
Found on http://www.translationdirectory.com/glossaries/glossary302.php

notochord

Characteristic of chordates, a stiff rod of tissue along the back of the body which is the first stage in the development of a flexible internal skeleton. All chordates possess a notochord at some time during life. Though replaced by cartilage or bone in the adult vertebrate and absent in the adults...
Found on http://www.daviddarling.info/encyclopedia/N/notochord.html

notochord

Characteristic of chordates, the notochord is a stiff rod of tissue along the back of the body. In vertebrates, the backbone is deposited around the notochord and nerve cord.
Found on http://www.ucmp.berkeley.edu/glossary/glossary_7.html

notochord

Characteristic of chordates, the notochord is a stiff rod of tissue along the back of the body. In vertebrates, the backbone is deposited around the notochord and nerve cord.
Found on http://www.ucmp.berkeley.edu/glossary/gloss7metazoa.html

notochord

flexible rodlike structure of mesodermal cells that is the principal longitudinal structural element of chordates and of the early embryo of ... [7 related articles]
Found on http://www.britannica.com/eb/a-z/n/58

notochord

Greek notos = back, and chorde = cord; hence, the primitive axial skeleton around which the vertebrae develop, parts persisting in the nuclei pulposi.
Found on http://www.anatomy.usyd.edu.au/glossary/glossary.cgi?

notochord

In chordates, a cellular rod that runs the length of the body and provides dorsal support. Also, a structure of mesoderm in the embryo that will become the vertebrae of the spinal column. The stiff rod-like structure that all members of the Phylum Chordata develop at some stage during their life.
Found on https://www.encyclo.co.uk/local/21571

Notochord

In chordates, a cellular rod that runs the length of the body and provides dorsal support. Also, a s
Found on http://www.superglossary.com/Glossary/Science/Biology/

notochord

notochord (nō'tukôrd") , in biology, supporting rod running most of the length of animals of the phylum Chordata and present at varying times in the life cycle. Composed of large cells packed within a firm connective tissue sheath, the notochord lies between the neural tube (spin...
Found on http://www.infoplease.com/ce6/sci/A0836069.html

notochord

Type: Term Pronunciation: nō′tō-kōrd Definitions: 1. In primitive vertebrates, the primary axial supporting structure of the body, derived from the notochordal or head process of the early embryo; an important organizer for determining the final form of the nervous system and related structures. 2. In embryos, the axial fibroce...
Found on http://www.medilexicon.com/medicaldictionary.php?t=61210

notochord

[n] - a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates
Found on http://www.webdictionary.co.uk/definition.php?query=notochord
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