Spinal cord motor neurons control voluntary movement by relaying
messages that arrive from upper brain centres to the innervated
muscles.
Full article >>>spinal cord and
brain
The
spinal cordconducts sensory information from the
peripheral nervous system (both
somatic and autonomic) to the brain
conducts motor information from the brain to our various effectors ...
Full article >>>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.
Full article >>>Spinal cordEmbryonic
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.
Full article >>>spinal cordPart of the vertebrate central
nervous system; consists of a thick,
dorsal, longitudinal bundle of nerve fibers extending
posteriorly from the brain.
spindle ...
Full article >>>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.
Full article >>>spinal cordA more or less uniform tube extending the full length of the body in
vertebrates behind the head. It is enclosed in the backbone.
Full article >>>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 ...
Full article >>>"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".
Full article >>>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.
Full article >>>urophysis A discrete structure in the
spinal cord of the fish tail that produces neuro
peptides that help control water and ion balance, blood pressure, and
smooth muscle contractions. 586
uropod Posteriormost appendage of many
crustaceans.
Full article >>>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
What Topic Is Your
BIOLOGY Paper On?
Full article >>>Segmented
mesodermal blocks located on either side of the developing
spinal cord which arise from the
dorsal mesoderm.
Full article >>>The excess growth of astrocytes in the brain or
spinal cord, usually occurring after injury to one of these parts.
Full article >>>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) ...
Full article >>>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
cellneurula - vertebrate
embryo during
neurulation.
Full article >>>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.
Full article >>>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.
Full article >>>'"/>