notochord In A Sentence
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- The ectoderm is instructed to become the nervous system by the notochord, which is typically positioned above it.
- Skeleton: they possess an endoskeleton of cartilage, or bone. The characteristic notochord is replaced by intersegmental vertebrae in vertebrates.
- Cephalization is intrinsically connected with a change in chordates from the notochord.
- The notochord will begin the shape changes in MHP cells.
- The prechordal plate is described as a median mass of cells, located at the anterior end of the notochord, which appears in early embryos as an integral part of the roof of the foregut . e . g.
- Right now notochord cell disappears, pith nucleus becomes a fiber cartilage with soft and less cell gradually.
- In the development process of pith nucleus, after notochord cell disappears,(sentence dictionary) the growth of pith nucleus basically relies on the hyperplasia of fiber composition.
- The lower tube surrounds the notochord, and has a complex structure, often including multiple layers of calcification.
- Internally, the posterior part of the notochord segregates from the neural keel.
- In the 10 somite embryo, Carnegie No . 5074, the prechordal plate is continuous posteriorly with the notochord, and is made up of about 35-40 cells.
- They are the only pelagic forms that have a notochord and they retain it throughout their lives.
- The determination and differentiation of notochord in Bufo bufo gargarizans embryos in different developmental stage have been systematically studied.
- Immediately above the notochord there lies another FIG.
- Stomochords were initially considered a variant of a primitive notochord, a defining feature of chordates.
- As the notochord inside centrum close, notochord cell from centrum migratory to vertebra clearance.
- In the middle of the dorsal surface of the embryo is a linear structure called the notochord.
- A postembryonic vestige of the notochord is found in the nucleus pulposus of the intervertebral discs.
- Just beneath the arch lies a small plate-like " pleurocentrum ", which protects the upper surface of the notochord, and below that, a larger arch-shaped " intercentrum " to protect the lower border.
- Microsauria, nearest the reptiles, with persistent notochord completely surrounded by constricted cylinders on which the neural arch rests.
- The secretion of SHH by the notochord establishes the ventral pole of the dorsal-ventral axis in the developing embryo.
- The paraxial mesoderm is arranged along the sides of the notochord and neural tube as repetitive structures called somites.
- In certain breeds of dogs, notochord cells remain vibrant in the intervertebral disc into adulthood.
- The causal argument for this lies in the end of the axial mesoderm-mainly the notochord, but also the prechordal plate-under the hypothalamus.
- When notochord organization is ceaseless and migratory, fiber annulus also increases.
- Itself of notochord week scabbard still is in the center of centrum of cartilage source sex area, call mucous account.
- It is the remnant of the notochord.
- He demonstrated that the notochord provides necessary signals to ensure the neural tube' s ventral differentiation.
- Notochord-derived Shh signals to the floor plate, and induces Shh expression in the floor plate.
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