Definition of Notochord. Meaning of Notochord. Synonyms of Notochord

Here you will find one or more explanations in English for the word Notochord. Also in the bottom left of the page several parts of wikipedia pages related to the word Notochord and, of course, Notochord synonyms and on the right images related to the word Notochord.

Definition of Notochord

Notochord
Notochord No"to*chord, n. [Gr. ? the back + E. 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 vertebr[ae] and the posterior part of the base of the skull are developed; the chorda dorsalis. See Illust. of Ectoderm.

Meaning of Notochord from wikipedia

- The notochord is an elastic, rod-like structure found in chordates. In vertebrates the notochord is an embryonic structure that disintegrates, as the vertebrae...
- that distinguish them from other taxa. These five synapomorphies are a notochord, a hollow dorsal nerve cord, an endostyle or thyroid, pharyngeal slits...
- in the subphylum Cephalochordata. It is a marine invertebrate with a notochord but no backbone and is used as a model organism to study the evolutionary...
- Homeobox protein notochord (NOTO) is a transcription factor encoded by the gene notochord homeobox (NOTO) located on the short arm of chromosome 2 (2p13...
- slow-growing neoplasm thought to arise from cellular remnants of the notochord. The evidence for this is the location of the tumors (along the neuraxis)...
- floor plate and diverse ventral cell types within the neural tube. The notochord—a structure derived from the axial mesoderm—produces SHH, which travels...
- contact with ectoderm immediately rostral to the cephalic tip of the notochord. It is the most likely origin of the rostral cranial mesoderm. STAGE 6...
- Chordata, a phylum which includes all animals with dorsal nerve cords and notochords (including vertebrates). The subphylum was at one time called Urochordata...
- column (commonly known as a spine or backbone), which evolved from the notochord. It is a paraphyletic grouping including all animals excluding the chordate...
- sclerotomes shift their position to surround the spinal cord and the notochord. This column of tissue has a segmented appearance, with alternating areas...