WebAug 26, 2010 · notochord a flexible, rod-shaped structure that is found in the embryonic stage of all chordates and in the adult stage of some chordates pharyngeal slit an opening in the pharynx post – anal tail a muscular, posterior elongation of the body extending beyond the anus in chordates tetrapod WebNov 25, 2008 · Fate mapping Shh-expressing cells in the axial skeleton using the Shhcre allele. The Shhcre allele (Harfe et al., 2004) was used to constitutively activate R26R:EYFP in the notochord. EYFP is observed as green. A–D: Merged fluorescent and bright-field images of the vertebral column. In all samples, a ventral view of the spinal column is shown.
Kink in the road: the notochord’s role in spine formation and …
WebMay 16, 2024 · From the stripes of a zebra to the architecture of a skeleton, patterns have occupied the imagination of scientists since Aristotle and help us to understand how organisms develop and, when in disarray, why things sometimes go wrong. The spine, for example, is a key feature of all vertebrates. It is made up of small bone units, the … WebImaging: When you have symptoms of chordoma, your doctor will take an image of your spine using an MRI to look at the size of the tumor and where it is. They may also use a … iphone monitoring app for kids
Vertebrate - The Definitive Guide Biology Dictionary
WebThe notochord helps define the major axis of our bodies, and is important in inducing the next step of embryogenesis, when we finally start to make our tubes! The notochord is a … So here's a picture of a mulberry from my front yard to prove it. This one's not quite … Learn for free about math, art, computer programming, economics, physics, … WebNotochord definition, 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 … WebThe notochord is an embryonic midline structure common to all members of the phylum Chordata, providing both mechanical and signaling cues to the developing embryo. In vertebrates, the notochord arises from the dorsal organizer and it is critical for proper vertebrate development. orange county . gov