Neural Plate

Information about Neural Plate


Carnegie stage	9
Days	19
Precursor	ectoderm
Gives rise to	neural folds
Dorlands/Elsevier	p_23/12645751

In human embryology, formation of neural plate is the first step of neurulation. It is created by a flat thickening opposite to the primitive streak.

As it develops, it becomes surrounded by neural folds, which eventually create the cylindrical neural tube. This process is termed primary neurulation.

The inhibitory signals chordin, noggin and follistatin are needed to form the neural plate.

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

• • [ e] Prenatal development/Mammalian development of nervous system
General neural development/Neurulation	Neurula - Notochord - Neural folds - Neuroectoderm - Neural plate - Neural groove Neural crest - Neural tube (Neuromere/Rhombomere, Cephalic flexure)
Eye development	Optic vesicles - Optic stalk - Optic cup
Auditory development	Auditory vesicle - Auditory pit

In embryology, Carnegie stages are a standardized system of 23 stages used to provide a unified developmental chronology of the vertebrate embryo.

The stages are delineated through the development of structures, not by size or the number of days of development, and so the
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Embryology is the study of the development of an embryo. An embryo is defined as any vertebrate in a stage before birth or hatching. Embryology refers to the development of the egg cell (zygote) after fertilization and the differentiation of cells into tissues and organs.
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The ectoderm is the start of a tissue that covers the body surfaces. It emerges first and forms from the outermost of the germ layers.

What forms from it (general)?

Nervous system
Outer part of integument

What forms from it (vertebrates)?

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neural folds; they commence some little distance behind the anterior end of the embryonic disk, where they are continuous with each other, and from there gradually extend backward, one on either side of the anterior end of the primitive streak.
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Elsevier, the world's largest publisher of medical and scientific literature, forms part of the Reed Elsevier group. Based in Amsterdam, the company has substantial operations in the UK, USA and elsewhere.
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Neurulation is a part of organogenesis in vertebrate embryos. Steps of neurulation include the formation of the dorsal nerve cord, and the eventual formation of the central nervous system.
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The primitive streak is a structure that forms during the early stages of avian, reptilian and mammalian embryonic development.

Formation

The formation of the primitive streak is one of the first signs of gastrulation.
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neural tube is the embryo's precursor to the central nervous system, which comprises the brain and spinal cord. The neural groove gradually deepens as the neural folds become elevated, and ultimately the folds meet and coalesce in the middle line and convert the groove into a
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Chordin is a polypeptide that dorsalizes the developing embryo by binding ventralizing TGFβ proteins such as Bone morphogenetic proteins. It may also play a role in organogenesis. There are five named isoforms of this protein that are produced by alternative splicing.
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Noggin is a polypeptide that binds to members of the TGF-β superfamily of proteins. It is a Bone morphogenetic protein inhibitor. Noggin plays a key role in neurulation by inhibiting BMP4, along with other morphogens such as chordin and follistatin and inducing the
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Follistatin is a single chain autocrine glycoprotein found to be ubiquitous within the body of nearly all higher animals, that is the product of a single gene.
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University of Lausanne (in French: Université de Lausanne) or UNIL in Lausanne, Switzerland was founded in 1537 as a school of theology, before being made a university in 1890. Today about 10,000 students and 2200 researchers study and work at the university.
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University of Bern is a university in the Swiss capital of Bern. It was founded in 1834. As one of the German-speaking universities in Switzerland its official name is Universität Bern, although it is frequently referred to in the French form, Université de Berne.
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University of Fribourg (French: Université de Fribourg; German: Universität Freiburg) is a university in the city of Fribourg, Switzerland.

It was founded in 1889 by local businessman Georges Python, although the origins of the university can be traced to
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Temple University is a university in Philadelphia. Temple University was founded in 1884 by Dr. Russell Conwell and became known as Temple College in 1888. In 1907, the college became a fully accredited university.
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Public domain comprises the body of knowledge and innovation (especially creative works such as writing, art, music, and inventions) in relation to which no person or other legal entity can establish or maintain proprietary interests within a particular legal jurisdiction.
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Henry Gray's Anatomy of the Human Body (or Gray's Anatomy as it has commonly been shortened) is an English-language human anatomy textbook widely regarded as a classic work on the subject.
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Prenatal development is the process in which an embryo or fetus (or foetus) gestates during pregnancy, from fertilization until birth. Often, the terms fetal development, foetal development, or embryology are used in a similar sense.
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Mammalian embryogenesis is the process of cell division and cellular differentiation during early prenatal development which leads to the development of a mammalian embryo.
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nervous system of an animal coordinates the activity of the muscles, monitors the organs, constructs and also stops input from the senses, and initiates actions. Prominent parts of a nervous system include neurons and nerves, which are used in coordination.
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The study of neural development draws on both neuroscience and developmental biology to describe the cellular and molecular mechanisms by which complex nervous systems emerge during embryonic development and throughout life.
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A Neurula is an embryo at the early stage of development in which neurulation occurs.

Neurulation is the development of the nervous system in the embryo, at the thickened area above the notochord in ectoderms.
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The notochord is a flexible, rod-shaped body found in embryos of all chordates. It is composed of cells derived from the mesoderm and defines the primitive axis of the embryo.
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