Spinal cord

Spinal cord motor neurons control voluntary movement by relaying messages that arrive from upper brain centres to the innervated muscles.
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spinal cord and
brain
The spinal cord
conducts sensory information from the peripheral nervous system (both somatic and autonomic) to the brain
conducts motor information from the brain to our various effectors ...
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spinal cord: the white cord of tissue passing through the bony tunnel made by the vertebrae.
spiracles: a series of openings on the body surface of terrestrial arthropods that open into tiny air tubes that assist in gas exchange.
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Spinal cord
Embryonic stem cells switched to neurons
In Jan. 2005, using stem cells science made major progress in understanding the process of how mammalian stem cells differentiate to form specific types of brain cells.
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spinal cord
Part of the vertebrate central nervous system; consists of a thick, dorsal, longitudinal bundle of nerve fibers extending posteriorly from the brain.
spindle ...
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spinal cord A cylinder of nerve tissue extending from the brain stem; receives sensory information and sends output motor signals; with the brain, forms the central nervous system.
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spinal cord
A more or less uniform tube extending the full length of the body in vertebrates behind the head. It is enclosed in the backbone.
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Gray matter in the spinal cord that contains motor nerve cell bodies.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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"Voltage-dependent block by Mg2+ of NMDA responses in spinal cord neurones". Nature 309 (5965): 261-3. PMID 6325946.
^ Rogan MT, Staubli UV, LeDoux JE (1997). "Fear conditioning induces associative long-term potentiation in the amygdala".
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Cells of the developing notochord send out Sonic Hedgehog signals to the spinal cord. These cells respond to the signaland then differentiate into the ventral part of the spinal cord, which makes the motor neurons that permit muscular activity.
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urophysis A discrete structure in the spinal cord of the fish tail that produces neuropeptides that help control water and ion balance, blood pressure, and smooth muscle contractions. 586
uropod Posteriormost appendage of many crustaceans.
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sensory root of a spinal nerve that carries impulses to the spinal cord; ventral root carries impulses from the cord
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby
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Segmented mesodermal blocks located on either side of the developing spinal cord which arise from the dorsal mesoderm.
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The excess growth of astrocytes in the brain or spinal cord, usually occurring after injury to one of these parts.
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Meninges the three membranes covering the brain and spinal cord
(sing = meninx; meninx = a membrane)
Meningitis inflammation (infection) of the meninges
(meninx = a membrane; -itis = inflammation of) ...
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neural tube - hollow cylindrical structure of neuroepithelial cells that will give rise to the brain and spinal cord; an ectodermal derivative.
neuroblast - dividing neuronal precursor cell
neurula - vertebrate embryo during neurulation.
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These people are very critical of Christopher Reeve, who advocates funding to cure spinal cord injuries. They say he hasn't accepted his disability. Others have difficulty with the idea of no longer being disabled.
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Spina bifida -- a congenital condition that results from altered fetal development of the spinal cord, part of the neural plate fails to join together and bone and muscle are unable to grow over this open section.
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