![PDF - Journal of Neuroscience](http://s1.studyres.com/store/data/017475938_1-8db6d8ec4ba7c3f8bff0fb6c1386f709-300x300.png)
The Formation of Specific Synaptic Connections Between Muscle
... actual formation of specific synaptic connections, is the set of monosynaptic excitatory connections between muscle spindle afferent fibers and motoneurons projecting to limb muscles. These are the connections that underlie the simple myotatic stretch reflex. Intracellular recordings can be made fro ...
... actual formation of specific synaptic connections, is the set of monosynaptic excitatory connections between muscle spindle afferent fibers and motoneurons projecting to limb muscles. These are the connections that underlie the simple myotatic stretch reflex. Intracellular recordings can be made fro ...
What clinical disorders tell us about the neural
... Saccades are rapid eye movements that redirect the fovea from one object to another. A great deal has been learned about the anatomy and physiology of saccades, making them an ideal system for studying the neural control of movement. Basic research on normal eye movements has greatly increased our u ...
... Saccades are rapid eye movements that redirect the fovea from one object to another. A great deal has been learned about the anatomy and physiology of saccades, making them an ideal system for studying the neural control of movement. Basic research on normal eye movements has greatly increased our u ...
Morphometric analysis of neural tissue following the
... days) implantation of circumferential slit tube type nerve cuff electrodes on the median nerve of the cat brelimb. Morphological assessment was made by comparing a given cat's implanted limb with its own contralateral unoperated control limb. This thesis addressed many of the weaknesses found in pre ...
... days) implantation of circumferential slit tube type nerve cuff electrodes on the median nerve of the cat brelimb. Morphological assessment was made by comparing a given cat's implanted limb with its own contralateral unoperated control limb. This thesis addressed many of the weaknesses found in pre ...
Differentiation of the yolk-sac endoderm under the
... In contrast, the EEAP endoderm hardly differentiated into yolk-sac parenchyma in normal development (Masui, 1978) and when cultured alone in vitro (in the present study). It has been reported, however, that area pellucida endoderm of early stages can self-differentiate into yolk-sac parenchyma when ...
... In contrast, the EEAP endoderm hardly differentiated into yolk-sac parenchyma in normal development (Masui, 1978) and when cultured alone in vitro (in the present study). It has been reported, however, that area pellucida endoderm of early stages can self-differentiate into yolk-sac parenchyma when ...
Peptides that regulate food intake: orexin gene expression is increased during states of hypertriglyceridemia
... late-onset obesity, indicating that the orexins may have additional effects beyond the stimulation of food intake. Indeed, other studies indicate that orexin peptides can increase metabolic rate and sympathetic nervous system (SNS) activity (3, 19, 49, 51) and have variable effects on lipid utilizat ...
... late-onset obesity, indicating that the orexins may have additional effects beyond the stimulation of food intake. Indeed, other studies indicate that orexin peptides can increase metabolic rate and sympathetic nervous system (SNS) activity (3, 19, 49, 51) and have variable effects on lipid utilizat ...
RESULTATS Capítol 1 __________________________________________________________________________ 71
... neurons within layers or nuclei, and the formation of appropriate neuronal connections. Studies over the past few years point to the selective guidance of axonal growth cones by specific signals as the main mechanism by which neuronal connections are first established between brain areas (Huber et a ...
... neurons within layers or nuclei, and the formation of appropriate neuronal connections. Studies over the past few years point to the selective guidance of axonal growth cones by specific signals as the main mechanism by which neuronal connections are first established between brain areas (Huber et a ...
Control of Gonadotropin Secretion by Follicle
... and caudally to the mid-brain central gray along the same pathway as the LHRH neurons (19). Projection to mid-brain central gray suggests the possibility that lGnRH-III may be involved in mating behavior, in that this is the area that LHRH activates to induce mating behavior. The function of the cau ...
... and caudally to the mid-brain central gray along the same pathway as the LHRH neurons (19). Projection to mid-brain central gray suggests the possibility that lGnRH-III may be involved in mating behavior, in that this is the area that LHRH activates to induce mating behavior. The function of the cau ...
Projections of auditory cortex to the medial geniculate body of the cat
... Refinements in knowledge of the principal circuitry in the thalamocortical (TC) system has not been matched by a corresponding level of detail about the CT pathway, whose experimental analysis has had a much shorter history (Frigyesi et al., 1972; Jones, 1985). It was possible to question, only a fe ...
... Refinements in knowledge of the principal circuitry in the thalamocortical (TC) system has not been matched by a corresponding level of detail about the CT pathway, whose experimental analysis has had a much shorter history (Frigyesi et al., 1972; Jones, 1985). It was possible to question, only a fe ...
Essentials of Human Anatomy and Physiology, 11e
... D) Schwann cell E) node of Ranvier Answer: A Page Ref: 229, 239 Bloom's: 1) Knowledge 21) The substance that is released at axonal endings to propagate a nervous impulse is called ________. A) an ion B) nerve glue C) a neurotransmitter D) the sodium-potassium pump E) an action potential Answer: C Pa ...
... D) Schwann cell E) node of Ranvier Answer: A Page Ref: 229, 239 Bloom's: 1) Knowledge 21) The substance that is released at axonal endings to propagate a nervous impulse is called ________. A) an ion B) nerve glue C) a neurotransmitter D) the sodium-potassium pump E) an action potential Answer: C Pa ...
The Nervous System: Spinal Nerves
... indicates the anatomical organization of sensory tracts in the posterior white column for comparison with the organization of motor nuclei in the anterior gray horn. Note that both sensory and motor components of the spinal cord have a definite regional organization. © 2012 Pearson Education, Inc. ...
... indicates the anatomical organization of sensory tracts in the posterior white column for comparison with the organization of motor nuclei in the anterior gray horn. Note that both sensory and motor components of the spinal cord have a definite regional organization. © 2012 Pearson Education, Inc. ...
Full Text
... growth in all three directions in space. In recent years, some authors (Solursh et al.. 1981; Solursh 1984) have shown that the pattern of morphogenesis in the limb skeleton may depend on an intrinsic tendency of the mesenchyme to form cartilage, together with an inhibitory effect of the ectoderm. I ...
... growth in all three directions in space. In recent years, some authors (Solursh et al.. 1981; Solursh 1984) have shown that the pattern of morphogenesis in the limb skeleton may depend on an intrinsic tendency of the mesenchyme to form cartilage, together with an inhibitory effect of the ectoderm. I ...
Central Control of the Cardiovascular and Respiratory Systems
... into three distinct neural phases in which each phase reflects a “state” of the oscillating network rather than a particular configuration of the motor output. In other words, a cycle phase in this context means a recurring episode when one or more groups of neurons in the network discharge a charac ...
... into three distinct neural phases in which each phase reflects a “state” of the oscillating network rather than a particular configuration of the motor output. In other words, a cycle phase in this context means a recurring episode when one or more groups of neurons in the network discharge a charac ...
Section and Senior Editor - HAL
... et al.,1998; Sakurai et al.,1998). A large body of evidence indicates that an orexin deficiency is responsible for the pathogenesis of human and animal narcolepsy (Lin et al.,1999; Chemelli et al.,1999). Like HA cells, orexin neurons send widespread projections to most brain areas and so may also pl ...
... et al.,1998; Sakurai et al.,1998). A large body of evidence indicates that an orexin deficiency is responsible for the pathogenesis of human and animal narcolepsy (Lin et al.,1999; Chemelli et al.,1999). Like HA cells, orexin neurons send widespread projections to most brain areas and so may also pl ...
Prelimbic to Accumbens Core Pathway Is Recruited in a Dopamine
... neurons within brain structures drive drug-seeking behaviors (Bossert et al., 2011; Cruz et al., 2013, 2014; Moorman and AstonJones, 2015). The importance of these neural subpopulations for drug-seeking behavior may depend on their projection targets. For example, neurons in mPFC, BLA, and vSub acti ...
... neurons within brain structures drive drug-seeking behaviors (Bossert et al., 2011; Cruz et al., 2013, 2014; Moorman and AstonJones, 2015). The importance of these neural subpopulations for drug-seeking behavior may depend on their projection targets. For example, neurons in mPFC, BLA, and vSub acti ...
Apparent Loss and Hypertrophy of Interneurons in a Mouse Model
... The neuronal ceroid lipofuscinoses (NCL) are progressive neurodegenerative disorders with onset from infancy to adulthood that are manifested by blindness, seizures, and dementia. In NCL, lysosomes accumulate autofluorescent proteolipid in the brain and other tissues. The mnd/mnd mutant mouse was fi ...
... The neuronal ceroid lipofuscinoses (NCL) are progressive neurodegenerative disorders with onset from infancy to adulthood that are manifested by blindness, seizures, and dementia. In NCL, lysosomes accumulate autofluorescent proteolipid in the brain and other tissues. The mnd/mnd mutant mouse was fi ...
Article - Leslie Vosshall - The Rockefeller University
... Drosophila modulates the physiology of glomerular circuitry on short time scales (Yu et al., 2004). In honeybee workers, the volume of a few identified glomeruli correlates with and is modulated by foraging experience outside the confines of the hive (Winnington et al., 1996). Previous studies in Dr ...
... Drosophila modulates the physiology of glomerular circuitry on short time scales (Yu et al., 2004). In honeybee workers, the volume of a few identified glomeruli correlates with and is modulated by foraging experience outside the confines of the hive (Winnington et al., 1996). Previous studies in Dr ...
Curr. Opin. Genet. Dev. 21, 1-8. - Howard Hughes Medical Institute
... Components of the BMP pathway BMP proteins are extracellular ligands of the TGFb superfamily of growth factors. Several BMPs are expressed during Xenopus gastrulation, including BMP2/4/7 and ADMP (Anti Dorsalizing Morphogenetic Protein). BMP signaling is triggered by the binding of secreted BMP homo ...
... Components of the BMP pathway BMP proteins are extracellular ligands of the TGFb superfamily of growth factors. Several BMPs are expressed during Xenopus gastrulation, including BMP2/4/7 and ADMP (Anti Dorsalizing Morphogenetic Protein). BMP signaling is triggered by the binding of secreted BMP homo ...
Test Bank 1
... 25. The primary purpose of the myelin sheath is to ________. a. insulate the neuron so it can transmit information more efficiently b. receive messages from outside the neuron and carry them to the cell nucleus c. provide a place for neural respiration and cell metabolism to occur d. provide a soft ...
... 25. The primary purpose of the myelin sheath is to ________. a. insulate the neuron so it can transmit information more efficiently b. receive messages from outside the neuron and carry them to the cell nucleus c. provide a place for neural respiration and cell metabolism to occur d. provide a soft ...
Chapter 9 The Nervous System
... • Helps control muscle contractions to produce coordinated movements so that we can maintain balance, move smoothly, and sustain normal postures • Recent evidence shows the coordinating effects of the cerebellum may be more extensive, also assisting the cerebrum and other regions of the brain ...
... • Helps control muscle contractions to produce coordinated movements so that we can maintain balance, move smoothly, and sustain normal postures • Recent evidence shows the coordinating effects of the cerebellum may be more extensive, also assisting the cerebrum and other regions of the brain ...
Chapter 9 The Nervous System
... • Helps control muscle contractions to produce coordinated movements so that we can maintain balance, move smoothly, and sustain normal postures • Recent evidence shows the coordinating effects of the cerebellum may be more extensive, also assisting the cerebrum and other regions of the brain ...
... • Helps control muscle contractions to produce coordinated movements so that we can maintain balance, move smoothly, and sustain normal postures • Recent evidence shows the coordinating effects of the cerebellum may be more extensive, also assisting the cerebrum and other regions of the brain ...
Full Text
... stage in embryos of females lacking the activity of maternal pattern organizer systems. (AI In embryos lacking materna! torso (tor) activity, posterior hkb expressionis absent and only a small spot of anteriorexpression remains. (BI Without bicoid (bed) activity the anterior expression domain is red ...
... stage in embryos of females lacking the activity of maternal pattern organizer systems. (AI In embryos lacking materna! torso (tor) activity, posterior hkb expressionis absent and only a small spot of anteriorexpression remains. (BI Without bicoid (bed) activity the anterior expression domain is red ...
Protracted Synaptogenesis after Activity
... strength of synaptic connections that occur with long-term potentiation (LTP), long-term memory is thought to involve additional plastic changes in the “hardwiring,” or the physical connectivity of neuronal circuits (Ramon y Cajal, 1894). Advances in time-lapse imaging techniques have enabled severa ...
... strength of synaptic connections that occur with long-term potentiation (LTP), long-term memory is thought to involve additional plastic changes in the “hardwiring,” or the physical connectivity of neuronal circuits (Ramon y Cajal, 1894). Advances in time-lapse imaging techniques have enabled severa ...
Calcium Regulation of Dendritic Growth via CaM Kinase IV and
... dendritic arbor rapidly expands over the subsequent few days (Wu et al., 1999). During this period of rapid dendritic growth, synaptic currents are principally mediated by NMDA receptors, and pharmacological blockade of NMDA receptors markedly reduces dendritic growth rates (Rajan and Cline, 1998). ...
... dendritic arbor rapidly expands over the subsequent few days (Wu et al., 1999). During this period of rapid dendritic growth, synaptic currents are principally mediated by NMDA receptors, and pharmacological blockade of NMDA receptors markedly reduces dendritic growth rates (Rajan and Cline, 1998). ...