primitive streak वाक्य
उदाहरण वाक्य
मोबाइल
- Research can only be performed on an embryo for a maximum of fourteen days or until the primitive streak appears.
- Amphioxus forms an epithelial neural tube and dorsal notochord but does not have the EMT potential of the primitive streak.
- The neural plate will form opposite the primitive streak from ectodermal tissue which thickens and flattens into the neural plate.
- Transplantation of the PMZ results in induction of a primitive streak, however, PMZ does not contribute to the streak itself.
- The lateral plate and the extraembryonic mesoderm arise from the cells that enter at the posterior end of the primitive streak.
- The Foundation has collaborated with many scientists, notably Primitive Streak, Mental, Wonderland, Eye & I and Dress of Glass and Flame.
- A primitive node ( or primitive knot ) forms in front of the primitive streak which is the organiser of neurulation.
- The first wave of epiblast cells to invaginate through the primitive streak invades and displaces the hypoblast to become the embryonic endoderm.
- Otx2 is a group of homeobox genes that are typically described as a head organizer in the primitive streak stage of embryonic development.
- In the first 14 days of life, the embryo has not yet developed a " primitive streak, " the precursor to a backbone.
- Implantation begins at about six days after fertilization, and lasts for about a week, during which time formation of the primitive streak occurs.
- Upon commencement of gastrulation, the primitive streak, a visible, morphological groove, appears on the posterior epiblast and orients along the anterior-posterior embryo axis.
- It is first expressed in the late primitive streak stage and is expressed in a narrow ring centered at the MHB during somitogenesis.
- The Subdudes scored critical success with " Annunciation, " in 1994, but didn't really break through the radio barriers until " Primitive Streak ."
- Epiblast cells near the primitive streak form the neural plate and other dorsal structures, while the epiblast cells far from the streak become epidermis.
- The primitive streak, which appears 14 days after conception, marks the first appearance of the nervous system and the earliest possible stirrings of consciousness.
- Sacrococcygeal teratomas, tumours formed from different types of tissue, that can form, are thought to be related to primitive streak remnants, which ordinarily disappear.
- These mutants had a thick primitive streak, abnormal head folds, absence of heart tube and gut, and enlarged midline tissue mass that replaced the notochord.
- The tissue layers formed from the primitive streak invaginate together into the embryo and the induced mesenchymal stem cells will ingress and form the mesoderm.
- As the primitive streak regresses and neural folds gather ( to eventually become the neural tube ), the paraxial mesoderm separates into blocks called somites.
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