Modulation of Responses of Feline Ventral Spinocerebellar Tract
... glass micropipette was used (Engberg et al., 1972). The tips of the micropipettes were positioned less than 10 m apart under microscopic control but manipulated separately so that the micropipettes could be inserted individually into the spinal cord (for detailed description see Bras et al., 1989). ...
... glass micropipette was used (Engberg et al., 1972). The tips of the micropipettes were positioned less than 10 m apart under microscopic control but manipulated separately so that the micropipettes could be inserted individually into the spinal cord (for detailed description see Bras et al., 1989). ...
Role of neurons and glia in the CNS actions of the renin
... research efforts, hypertension remains an epidemic health concern, leading often to the development of cardiovascular disease. It is well established that in many instances, the brain plays an important role in the onset and progression of hypertension via activation of the sympathetic nervous syste ...
... research efforts, hypertension remains an epidemic health concern, leading often to the development of cardiovascular disease. It is well established that in many instances, the brain plays an important role in the onset and progression of hypertension via activation of the sympathetic nervous syste ...
Target Recognition by Mesenchyme Cells During Sea Urchin
... to the correct locations and attach to specific sites within the embryo. Primary mesenchyme cells (PMCs) aggregate into two major clusters in the ventrolateral region of the embryo and other PMCs form an elaborate pattern that presages the skeletal pattern of the larva. Numerous exper iments, inclu ...
... to the correct locations and attach to specific sites within the embryo. Primary mesenchyme cells (PMCs) aggregate into two major clusters in the ventrolateral region of the embryo and other PMCs form an elaborate pattern that presages the skeletal pattern of the larva. Numerous exper iments, inclu ...
Practice Questions for Neuro Anatomy Lectures 8,9,11,12 The
... Practice Questions for Neuro Anatomy Lectures 8,9,11,12 1. The higher the cord the level, the more white matter and thus more: a. Afferent, ascending tracts – picks up axons as goes up toward the brain b. Efferent, descending tracts c. None of the above 2. What spinal cord level has well developed g ...
... Practice Questions for Neuro Anatomy Lectures 8,9,11,12 1. The higher the cord the level, the more white matter and thus more: a. Afferent, ascending tracts – picks up axons as goes up toward the brain b. Efferent, descending tracts c. None of the above 2. What spinal cord level has well developed g ...
PDF
... pleomorphic vesicles form symmetric synapses, indicating an inhibitory function; by analogy to the cerebellar cortex, such endings may be inferred to be Golgi cell axons. Our goal in this study was to use what is known about these cell types and profiles at the ultrastructural level to identify whic ...
... pleomorphic vesicles form symmetric synapses, indicating an inhibitory function; by analogy to the cerebellar cortex, such endings may be inferred to be Golgi cell axons. Our goal in this study was to use what is known about these cell types and profiles at the ultrastructural level to identify whic ...
On acute gene expression changes after ventral root replantation
... the aid of the DAVID. It was possible to group responding genes into functional-related gene groups (GO – Gene Ontology search terms). All significantly regulated genes, both up- and down-regulated, were used in this part of the analysis in order to identify the most actively regulated GO families. ...
... the aid of the DAVID. It was possible to group responding genes into functional-related gene groups (GO – Gene Ontology search terms). All significantly regulated genes, both up- and down-regulated, were used in this part of the analysis in order to identify the most actively regulated GO families. ...
Sir Charles Scott Sherrington English Neurophysiologist 1857
... respond. He found that when the spinal cord is severed or a nerve detached from muscle, the reflex fails to respond. In this way, Sherrington determined that simple reflexes are governed by the spinal cord. In addition to explaining spinal reflex activity, Sherrington uncovered the concept of propri ...
... respond. He found that when the spinal cord is severed or a nerve detached from muscle, the reflex fails to respond. In this way, Sherrington determined that simple reflexes are governed by the spinal cord. In addition to explaining spinal reflex activity, Sherrington uncovered the concept of propri ...
Optimal Sizes of Dendritic and Axonal Arbors
... Quantitative comparison is complicated because the projection is not strictly twodimensional: Purkinje dendrites stacked next to each other add up to a significant third dimension. Naively, given that the dendritic arbor size is about 400ILm Eq.4 predicts axonal arbor of about 7 ILm. This is close t ...
... Quantitative comparison is complicated because the projection is not strictly twodimensional: Purkinje dendrites stacked next to each other add up to a significant third dimension. Naively, given that the dendritic arbor size is about 400ILm Eq.4 predicts axonal arbor of about 7 ILm. This is close t ...
File
... myofibrils fill the myotubes, the nuclei of the myotubes migrate from a central to a peripheral position in the myotube. At this stage the myotube is considered to have differentiated into its terminal structure, a muscle fiber. The myonuclei of the multinucleated muscle fibers are no longer able to ...
... myofibrils fill the myotubes, the nuclei of the myotubes migrate from a central to a peripheral position in the myotube. At this stage the myotube is considered to have differentiated into its terminal structure, a muscle fiber. The myonuclei of the multinucleated muscle fibers are no longer able to ...
Role of the trigeminal mesencephalic nucleus in rat whisker pad
... macrovibrisae showed that whisking neurons similar to those observed in the trigeminal ganglion were located in the TMnu. These neurons had different patterns of activation, which were dependent on the type of spontaneous macrovibrissae movement. In particular, their spiking activity tonically incre ...
... macrovibrisae showed that whisking neurons similar to those observed in the trigeminal ganglion were located in the TMnu. These neurons had different patterns of activation, which were dependent on the type of spontaneous macrovibrissae movement. In particular, their spiking activity tonically incre ...
Involvement of the Caudal Medulla in Negative Feedback
... and large thermal stimuli in the different preparations, are presented in Fig. 2. In sham-operated and in groups I and II transected animals, the responses elicited by the 18 cm2 stimulus were clearly smaller than those elicited by 4.8 cm2 . By contrast, in groups III and IV and in spinal animals, t ...
... and large thermal stimuli in the different preparations, are presented in Fig. 2. In sham-operated and in groups I and II transected animals, the responses elicited by the 18 cm2 stimulus were clearly smaller than those elicited by 4.8 cm2 . By contrast, in groups III and IV and in spinal animals, t ...
Neuronal Clusters in the Primate Motor Cortex during Interception of
... controlling arm movements toward moving targets. In order to gain insights into the neural mechanisms underlying interception of moving targets, we examined the activity of the neurons in the primary motor cortex of the rhesus monkeys trained to produce arm movements toward moving targets. Patterns ...
... controlling arm movements toward moving targets. In order to gain insights into the neural mechanisms underlying interception of moving targets, we examined the activity of the neurons in the primary motor cortex of the rhesus monkeys trained to produce arm movements toward moving targets. Patterns ...
Spinal Cord - Sydney University Medical Society
... The different types of sensory information are Tactile (i.e. touch / vibration), Proprioception (i.e. position) and Pain / Temperature The sensory receptors / fibres associated with each sensory modality are: o Proprioception Muscle Spindles (also known as Neuromuscular Spindles) – these are locat ...
... The different types of sensory information are Tactile (i.e. touch / vibration), Proprioception (i.e. position) and Pain / Temperature The sensory receptors / fibres associated with each sensory modality are: o Proprioception Muscle Spindles (also known as Neuromuscular Spindles) – these are locat ...
PDF
... proportion of neurons produced fibres and the fibres were longer and slightly more branched than in control cultures. The number of fibres produced per neuron was unaltered. Supporting cells were unaffected by the presence of NGF. No stimulation of mitotic activity among either type of cell was obse ...
... proportion of neurons produced fibres and the fibres were longer and slightly more branched than in control cultures. The number of fibres produced per neuron was unaltered. Supporting cells were unaffected by the presence of NGF. No stimulation of mitotic activity among either type of cell was obse ...
Axo-axonic synapses formed by somatostatin
... In cerebral cortex of rat and monkey, the neuropeptide somatostatin (SOM) marks a population of nonpyramidal cells (McDonald et al. [1982] J. Neurocytol. 11:809 – 824; Hendry et al. [1984] J. Neurosci. 4:2497:2517; Laemle and Feldman [1985] J. Comp. Neurol. 233:452– 462; Meineke and Peters [1986] J. ...
... In cerebral cortex of rat and monkey, the neuropeptide somatostatin (SOM) marks a population of nonpyramidal cells (McDonald et al. [1982] J. Neurocytol. 11:809 – 824; Hendry et al. [1984] J. Neurosci. 4:2497:2517; Laemle and Feldman [1985] J. Comp. Neurol. 233:452– 462; Meineke and Peters [1986] J. ...
November 29
... Pineal gland unimportant to humans, but melatonin may be important. Information about light comes directly from the retina to the suprachiasmatic nucleus (SCN) in the hypothalamus. ...
... Pineal gland unimportant to humans, but melatonin may be important. Information about light comes directly from the retina to the suprachiasmatic nucleus (SCN) in the hypothalamus. ...
Sample pages 2 PDF
... avenue in the study of neurotransmission that has started recently to be explored. Colocalization of classical neurotransmitters within single terminals was initially perceived as a curiosity and their potential co-release was viewed with skepticism. The molecular explanation, as well as the physiol ...
... avenue in the study of neurotransmission that has started recently to be explored. Colocalization of classical neurotransmitters within single terminals was initially perceived as a curiosity and their potential co-release was viewed with skepticism. The molecular explanation, as well as the physiol ...
Peripheral Nerve Diseases
... The function of the PNS is to carry impulses to and from to central nervous system These impulses regulate motor, sensory and automotic activities The peripheral nervous system is comprised of structures which lie outside the pial membrane of the brainstem and spinal cord and can be divided into cra ...
... The function of the PNS is to carry impulses to and from to central nervous system These impulses regulate motor, sensory and automotic activities The peripheral nervous system is comprised of structures which lie outside the pial membrane of the brainstem and spinal cord and can be divided into cra ...
Preview as PDF - Pearson Higher Education
... Two special types of glial cells, called oligodendrocytes and Schwann cells, generate a layer of fatty substances called myelin. Oligodendrocytes produce myelin for the neurons in the brain and spinal cord (the central nervous system); Schwann cells produce myelin for the neurons of the body (the pe ...
... Two special types of glial cells, called oligodendrocytes and Schwann cells, generate a layer of fatty substances called myelin. Oligodendrocytes produce myelin for the neurons in the brain and spinal cord (the central nervous system); Schwann cells produce myelin for the neurons of the body (the pe ...
Grasping the Intentions of Others with One`s Own Mirror Neuron
... parietal area PF/PFG contains mirror neurons for grasping [8]. Thus, it is likely that the human homologue of PF/PFG is activated by the sight of the grasping action in the Action and Intention conditions, but not in the Context condition, where the action is not presented. The Context condition act ...
... parietal area PF/PFG contains mirror neurons for grasping [8]. Thus, it is likely that the human homologue of PF/PFG is activated by the sight of the grasping action in the Action and Intention conditions, but not in the Context condition, where the action is not presented. The Context condition act ...
Chemosense in Mollusks
... Rosy Wolfsnail: carniverous – finds prey snails by tracking their slime trails. White circles on olfactory chemosense organs. In a population there are two olfactory phenotypes that correlate with food preference. ...
... Rosy Wolfsnail: carniverous – finds prey snails by tracking their slime trails. White circles on olfactory chemosense organs. In a population there are two olfactory phenotypes that correlate with food preference. ...
Brain Gate
... a cursor on a screen and to open and close the hand on a prosthetic limb just by thinking about the relevant actions. The movements were his first since he was stabbed five years ago. The attack severed his spinal cord. "The results hold out the promise to one day be able to activate limb muscles wi ...
... a cursor on a screen and to open and close the hand on a prosthetic limb just by thinking about the relevant actions. The movements were his first since he was stabbed five years ago. The attack severed his spinal cord. "The results hold out the promise to one day be able to activate limb muscles wi ...
Sensation - Macmillan Learning
... physical energy from the environment and encode it as neural signals. This chapter describes the senses of vision, hearing, taste, touch, smell, kinesthesis, and the vestibular sense. It also presents research findings from studies of subliminal stimulation. In this chapter there are many terms to l ...
... physical energy from the environment and encode it as neural signals. This chapter describes the senses of vision, hearing, taste, touch, smell, kinesthesis, and the vestibular sense. It also presents research findings from studies of subliminal stimulation. In this chapter there are many terms to l ...
Glia–Neuron Interactions in Nervous System Function
... without aVecting neuronal survival have been used to explore glial eVects on neuronal parameters (e.g., McBean, 1994; Robitaille, 1998). It should also be possible, in principle, to generate glia harboring mutations that aVect neuronal function but not survival. Although these approaches have proven ...
... without aVecting neuronal survival have been used to explore glial eVects on neuronal parameters (e.g., McBean, 1994; Robitaille, 1998). It should also be possible, in principle, to generate glia harboring mutations that aVect neuronal function but not survival. Although these approaches have proven ...