A notochord is a rope of nervous connection which branches into the trunk nerves of the body. From Wordnik.com. [Neutron Star]
Thus the notochord is the necessary forerunner of the vertebral column, cartilage the precursor of bone. From Wordnik.com. [Form and Function A Contribution to the History of Animal Morphology] Reference
Amphioxus has only a primitive proto-spinal column called a notochord, but it is a very close relative of vertebrates. From Wordnik.com. [NPR Topics: News] Reference
Amphioxus has only a primitive proto-spinal column called a notochord, but it is a very close relative of the vertebrates. From Wordnik.com. [NPR Topics: News] Reference
The notochord is the supporting axis of the pioneer backboned animals, namely the Lancelets and the Round-mouths (Cyclostomes), such as the. From Wordnik.com. [The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told] Reference
A tail, and the precursor to a spine, known as a notochord (Figure 1). From Wordnik.com. [ScienceBlogs Channel : Life Science] Reference
He pointed out also that the "notochord" was confined to the tail of the ascidian larva. From Wordnik.com. [Form and Function A Contribution to the History of Animal Morphology] Reference
The notochord is a vertebrate-specific structure. From Wordnik.com. [Nobel Lecture The Identification Of Genes Controlling Development In Flies And Fishes] Reference
My notochord shall change into a chain of vertebrae. From Wordnik.com. [Ancient history] Reference
But it had a lot of gill slits and it had a notochord. From Wordnik.com. [Ancient history] Reference
This is where the notochord and the dorsal nerve cord develop. From Wordnik.com. [Alliance]
The median strip is destined to be the axial skeleton or notochord. From Wordnik.com. [Hans Spemann - Nobel Lecture] Reference
In no Vertebrate does the notochord extend farther forward (p. 122). From Wordnik.com. [Form and Function A Contribution to the History of Animal Morphology] Reference
Annelid ancestor must have possessed a notochord to give support in swimming. From Wordnik.com. [Form and Function A Contribution to the History of Animal Morphology] Reference
He finally disposed of the alternative notion that the notochord was represented in. From Wordnik.com. [Form and Function A Contribution to the History of Animal Morphology] Reference
Some of these also lack the notochord, while in others the notochord is apparently normal. From Wordnik.com. [Nobel Lecture The Identification Of Genes Controlling Development In Flies And Fishes] Reference
Then his notochord formed, and his nerve cells congregated in a tiny knot at one end of it. From Wordnik.com. [A Case Of Conscience]
There is a terrestrial marine animal which starts life as a free-swimming worm with a notochord. From Wordnik.com. [Neutron Star]
The structure of the somites in fish is thought to be dependent on signals derived from the notochord. From Wordnik.com. [Nobel Lecture The Identification Of Genes Controlling Development In Flies And Fishes] Reference
The capsule for the ear-labyrinth develops quite independently of the cranial basis and the notochord. From Wordnik.com. [Form and Function A Contribution to the History of Animal Morphology] Reference
The origin of the notochord from the endoderm was also not made out by Kowalevsky in his paper of 1867. From Wordnik.com. [Form and Function A Contribution to the History of Animal Morphology] Reference
The medullary folds and notochord are evident at this stage, but no mesoblastic somites are to be seen. From Wordnik.com. [Development of the Digestive Canal of the American Alligator] Reference
The mesoderm will form the skeleton (in the first place the dorsal strip, then the notochord) and muscles. From Wordnik.com. [Physiology or Medicine 1935 - Presentation Speech] Reference
As for a pathway from a simple notochord to a human brain, you need only study the developing human embryo. From Wordnik.com. [Assessing Fault] Reference
At some point in development, every species within Chordata, from sea squirts to sea lions, possesses a notochord. From Wordnik.com. [Haeckel had a point - The Panda's Thumb] Reference
Now the brain capsule, like the sheath of the spinal cord, is a development from the outer sheath of the notochord. From Wordnik.com. [Form and Function A Contribution to the History of Animal Morphology] Reference
He admits that there exists a real homology between, for instance, the notochord of Vertebrates and that of Ascidians. From Wordnik.com. [Form and Function A Contribution to the History of Animal Morphology] Reference
Vertebrates, as the gill-slits, the notochord, and a nervous system developed from the ectoderm of the "dorsal" surface. From Wordnik.com. [Form and Function A Contribution to the History of Animal Morphology] Reference
It has, in fact, become metamorphosed into a resistant supporting structure resembling in some respects the notochord of the true. From Wordnik.com. [Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 2 "Baconthorpe" to "Bankruptcy"] Reference
The next bone, however, the basisphenoid, develops in front of the notochord, and shows very little analogy with a vertebral body. From Wordnik.com. [Form and Function A Contribution to the History of Animal Morphology] Reference
Prior to this time, all the embryonic chordate has of a body plan is a couple of specified axes, a notochord, and a dorsal nerve tube. From Wordnik.com. [Jonathan Wells gets everything wrong, again - The Panda's Thumb] Reference
On the second day of development, the somites, notochord and brain were scored, while after hatching heart, blood, musculature, fins, eye, ear and other features can be studied. From Wordnik.com. [Nobel Lecture The Identification Of Genes Controlling Development In Flies And Fishes] Reference
Just above the notochord lies a hollow nerve cord. From Wordnik.com. [Recently Uploaded Slideshows] Reference
The skeleton is completely ossified and the notochord removed. From Wordnik.com. [The Elements of Geology] Reference
As a flexible notochord develops in the back, blocks of tissue called somites form along each side of it. From Wordnik.com. [Recently Uploaded Slideshows] Reference
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