notochord

[ noh-tuh-kawrd ]

/ ˈnoʊ təˌkɔrd /

noun Embryology.

a rodlike cord of cells that forms the chief axial supporting structure of the body of the lower chordates, as amphioxus and the cyclostomes, and of the embryos of the vertebrates.

Origin of notochord

1840–50; noto- + chord¹ (in the sense of ‘a cordlike anatomical structure’)

OTHER WORDS FROM notochord

no·to·chord·al, adjectivesub·no·to·chord·al, adjective

Words nearby notochord

not lift a finger, not miss a trick, not move a muscle, not my cup of tea, noto-, notochord, Notogaea, Notogaean, not one iota, not one's day, this is, not oneself

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for notochord

(b) the trabeculae which meet behind and embrace the front end of the notochord.
The Vertebrate Skeleton|Sidney H. Reynolds
The urostyle is the name given to a modified bony structure, originally the end of the notochord, turned upward in most fishes.
A Guide to the Study of Fishes, Volume 1 (of 2)|David Starr Jordan
In the chimæras (Holocephali) the notochord persists and is surrounded by a series of calcified rings.
A Guide to the Study of Fishes, Volume 1 (of 2)|David Starr Jordan
In the notochord of Ammocœtes there is no sign of either nerves, blood-vessels, or muscles.
The Origin of Vertebrates|Walter Holbrook Gaskell

The medullary folds and notochord are evident at this stage, but no mesoblastic somites are to be seen.
Development of the Digestive Canal of the American Alligator|Albert M. Reese

British Dictionary definitions for notochord

notochord

/ (ˈnəʊtəˌkɔːd) /

noun

a fibrous longitudinal rod in all embryo and some adult chordate animals, immediately above the gut, that supports the body. It is replaced in adult vertebrates by the vertebral column

Derived forms of notochord

notochordal, adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for notochord

notochord

[ nō′tə-kôrd′ ]

n.

A flexible rodlike structure that forms the main support of the body in the lowest chordates; a primitive backbone.

A similar structure in embryos of higher vertebrates, from which the spinal column develops.

Other words from notochord

no′to•chord′al adj.

Scientific definitions for notochord

notochord

[ nō′tə-kôrd′ ]

A flexible rodlike structure that forms the main support of the body in all chordates during some stage of their development. In vertebrates, the notochord develops into a true backbone in the embryonic phase. Primitive chordates, such as lancelets and tunicates, retain a notochord throughout their lives.

单词	notochord
释义	notochord [ noh-tuh-kawrd ] / ˈnoʊ təˌkɔrd / noun Embryology. a rodlike cord of cells that forms the chief axial supporting structure of the body of the lower chordates, as amphioxus and the cyclostomes, and of the embryos of the vertebrates. Origin of notochord 1840–50; noto- + chord¹ (in the sense of ‘a cordlike anatomical structure’) OTHER WORDS FROM notochord no·to·chord·al, adjectivesub·no·to·chord·al, adjective Words nearby notochord not lift a finger, not miss a trick, not move a muscle, not my cup of tea, noto-, notochord, Notogaea, Notogaean, not one iota, not one's day, this is, not oneself Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for notochord (b) the trabeculae which meet behind and embrace the front end of the notochord. The Vertebrate Skeleton\|Sidney H. Reynolds The urostyle is the name given to a modified bony structure, originally the end of the notochord, turned upward in most fishes. A Guide to the Study of Fishes, Volume 1 (of 2)\|David Starr Jordan In the chimæras (Holocephali) the notochord persists and is surrounded by a series of calcified rings. A Guide to the Study of Fishes, Volume 1 (of 2)\|David Starr Jordan In the notochord of Ammocœtes there is no sign of either nerves, blood-vessels, or muscles. The Origin of Vertebrates\|Walter Holbrook Gaskell The medullary folds and notochord are evident at this stage, but no mesoblastic somites are to be seen. Development of the Digestive Canal of the American Alligator\|Albert M. Reese British Dictionary definitions for notochord notochord / (ˈnəʊtəˌkɔːd) / noun a fibrous longitudinal rod in all embryo and some adult chordate animals, immediately above the gut, that supports the body. It is replaced in adult vertebrates by the vertebral column Derived forms of notochord notochordal, adjective Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for notochord notochord [ nō′tə-kôrd′ ] n. A flexible rodlike structure that forms the main support of the body in the lowest chordates; a primitive backbone. A similar structure in embryos of higher vertebrates, from which the spinal column develops. Other words from notochord no′to•chord′al adj. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for notochord notochord [ nō′tə-kôrd′ ] A flexible rodlike structure that forms the main support of the body in all chordates during some stage of their development. In vertebrates, the notochord develops into a true backbone in the embryonic phase. Primitive chordates, such as lancelets and tunicates, retain a notochord throughout their lives. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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