Neural - Medulla Oblongata Development
|Embryology - 10 Dec 2018 Expand to Translate|
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The medulla or medulla oblongata develops from the secondary brain vesicle the myelencephalon, that in turn formed from the earlier primary brain vesicle rhombencephalon. The neural tube lateral walls have 2 halves (alar and a basal lamina) and are connected by a floor plate and roof-plate region.
Neural development is one of the earliest systems to begin and the last to be completed after birth. This development generates the most complex structure within the embryo and the long time period of development means in utero insult during pregnancy may have consequences to development of the nervous system.
The early central nervous system begins as a simple neural plate that folds to form a groove then tube, open initially at each end. Failure of these opening to close contributes a major class of neural abnormalities (neural tube defects).
Within the neural tube stem cells generate the 2 major classes of cells that make the majority of the nervous system : neurons and glia. Both these classes of cells differentiate into many different types generated with highly specialized functions and shapes. This section covers the establishment of neural populations, the inductive influences of surrounding tissues and the sequential generation of neurons establishing the layered structure seen in the brain and spinal cord. Neural development beginnings quite early, therefore also look at notes covering Week 3 neural tube and Week 4 early nervous system.
|Sabin FR. and Knower H. An atlas of the medulla and midbrain, a laboratory manual (1901) Baltimore: Friedenwald.|
- Neural Parts: neural | prosencephalon | telencephalon cerebrum | amygdala | hippocampus | basal ganglia | lateral ventricles | diencephalon | Epithalamus | thalamus | hypothalamus | pituitary | pineal | third ventricle | mesencephalon | tectum | cerebral aqueduct | rhombencephalon | metencephalon | pons | cerebellum | myelencephalon | medulla oblongata | spinal cord | neural vascular | meninges | Category:Neural
Some Recent Findings
|More recent papers|
This table shows an automated computer PubMed search using the listed sub-heading term.
References listed on the rest of the content page and the associated discussion page (listed under the publication year sub-headings) do include some editorial selection based upon both relevance and availability.
Peng-Peng Jin, Feng Xia, Bin-Fang Ma, Zhen Li, Guo-Feng Zhang, Yan-Chun Deng, Zhi-Lan Tu, Xing-Xing Zhang, Shuang-Xing Hou Spatiotemporal expression of NDRG2 in the human fetal brain. Ann. Anat.: 2018; PubMed 30312765
Bilgehan Solmaz, Mustafa Görkem Özyurt, Demir Berk Ata, Fulya Akçimen, Mohammed Shabsog, Kemal Sıtkı Türker, Hakkı Dalçik, Oktay Algin, Ayşe Nazlı Başak, Merve Özgür, Safiye Çavdar Assessment of the corticospinal fiber integrity in mirror movement disorder. J Clin Neurosci: 2018; PubMed 29907388
Reinhard Altmann, Christian Specht, Iris Scharnreitner, Caroline Schertler, Richard Mayer, Wolfgang Arzt, Matthias Scheier Reference Ranges for Transvaginal Examined Fossa Posterior Structures in Fetuses from 45 to 84 mm Crown-Rump Length. Gynecol. Obstet. Invest.: 2018;1-6 PubMed 29870989
Dasiel O Borroto-Escuela, Manuel Narváez, Patrizia Ambrogini, Luca Ferraro, Ismel Brito, Wilber Romero-Fernandez, Yuniesky Andrade-Talavera, Antonio Flores-Burgess, Carmelo Millon, Belen Gago, Jose Angel Narvaez, Yuji Odagaki, Miklos Palkovits, Zaida Diaz-Cabiale, Kjell Fuxe Receptor⁻Receptor Interactions in Multiple 5-HT1A Heteroreceptor Complexes in Raphe-Hippocampal 5-HT Transmission and Their Relevance for Depression and Its Treatment. Molecules: 2018, 23(6); PubMed 29865267
Tao Chen, Wataru Taniguchi, Qi-Yu Chen, Hidetoshi Tozaki-Saitoh, Qian Song, Ren-Hao Liu, Kohei Koga, Tsuyoshi Matsuda, Yae Kaito-Sugimura, Jian Wang, Zhi-Hua Li, Ya-Cheng Lu, Kazuhide Inoue, Makoto Tsuda, Yun-Qing Li, Terumasa Nakatsuka, Min Zhuo Top-down descending facilitation of spinal sensory excitatory transmission from the anterior cingulate cortex. Nat Commun: 2018, 9(1);1886 PubMed 29760484
Neuralation begins at the trilaminar embryo with formation of the notochord and somites, both of which underly the ectoderm and do not contribute to the nervous system, but are involved with patterning its initial formation. The central portion of the ectoderm then forms the neural plate that folds to form the neural tube, that will eventually form the entire central nervous system.
- Early developmental sequence: Epiblast - Ectoderm - Neural Plate - Neural groove and Neural Crest - Neural Tube and Neural Crest
|Neural Tube||Primary Vesicles||Secondary Vesicles||Adult Structures|
|week 3||week 4||week 5||adult|
|Prosencephalon||Telencephalon||Rhinencephalon, Amygdala, Hippocampus, Cerebrum (Cortex), Hypothalamus, Pituitary | Basal Ganglia, lateral ventricles|
|Diencephalon||Epithalamus, Thalamus, Subthalamus, Pineal, third ventricle|
|Mesencephalon||Mesencephalon||Tectum, Cerebral peduncle, Pretectum, cerebral aqueduct|
Early Brain Vesicles
Historic Ziegler Model
- Links: Ziegler Models
Duncan JR, Paterson DS & Kinney HC. (2008). The development of nicotinic receptors in the human medulla oblongata: inter-relationship with the serotonergic system. Auton Neurosci , 144, 61-75. PMID: 18986852 DOI.
Lorke DE, Kwong WH, Chan WY & Yew DT. (2003). Development of catecholaminergic neurons in the human medulla oblongata. Life Sci. , 73, 1315-31. PMID: 12850246
Tan K & Le Douarin NM. (1991). Development of the nuclei and cell migration in the medulla oblongata. Application of the quail-chick chimera system. Anat. Embryol. , 183, 321-43. PMID: 1867385
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Cite this page: Hill, M.A. (2018, December 10) Embryology Neural - Medulla Oblongata Development. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Neural_-_Medulla_Oblongata_Development
- © Dr Mark Hill 2018, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G