notochord उदाहरण वाक्य

उदाहरण वाक्य

1. Notochord flexion occurs at around 4 mm standard length in " R . loricata ".
2. von Baer studied the embryonic development of animals, discovering the blastula stage of development and the notochord.
3. Notochord-derived Shh signals to the floor plate, and induces Shh expression in the floor plate.
4. Loss of Shh from the notochord and / or floor plate prevents proper specification of these progenitor domains.
5. In the fish and all subsequent vertebrates, the notochord forms the backbone ( or vertebral column ).
6. A notochord is formed early in development, and always consist of a row of exactly 40 cells.
7. Instead of true vertebrae, they have a series of cartilaginous structures called arcualia arranged above the notochord.
8. One of the characteristics linking the specimen to chordates is its notochord, the precursor of a spinal column.
9. The ectoderm is instructed to become the nervous system by the notochord, which is typically positioned above it.
10. The lower tube surrounds the notochord, and has a complex structure, often including multiple layers of calcification.