Neuroectoderm
Neuroectoderm | |
---|---|
Details | |
Precursor | ectoderm |
Gives rise to | neural tube, neural crest |
Identifiers | |
Latin | epithelium tubi neuralis, neuroectoderma, epithelium tubae neuralis |
TE | E5.15.1.0.0.0.1 |
Anatomical terminology |
Neuroectoderm (or neural ectoderm or neural tube epithelium) consists of cells derived from the ectoderm. Formation of the neuroectoderm is the first step in the development of the nervous system.[1] The neuroectoderm receives bone morphogenetic protein-inhibiting signals from proteins such as noggin, which leads to the development of the nervous system from this tissue. Histologically, these cells are classified as pseudostratified columnar cells.[1]
After recruitment from the ectoderm, the neuroectoderm undergoes three stages of development: transformation into the
neural folds), and transformation into the neural tube. After formation of the tube, the brain forms into three sections; the hindbrain, the midbrain, and the forebrain
.
The types of neuroectoderm include:
- Neural crest
- pigment cells in the skin
- ganglia of the autonomic nervous system
- dorsal root ganglia.
- facial cartilage
- lungs
- ciliary body of the eye
- adrenal medulla
- Neural tube
- prosencephalon)
- spinal cord and motor neurons
- retina
- posterior pituitary
See also
References
- ^ ISBN 978-1-4557-0684-6.
This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)
External links
- bdyfm-007—Embryo Images at University of North Carolina
- https://web.archive.org/web/20070904031943/http://sprojects.mmi.mcgill.ca/embryology/earlydev/week3/neurulation.html
- http://www.med.umich.edu/lrc/coursepages/M1/embryology/embryo/08nervoussystem.htm