Author`s personal copy - Vanderbilt University
... pressure. Though the precise mechanisms that mediate or transduce this sensitivity are not clear, the axon of the retinal ganglion cell appears to be vulnerable to disease-relevant stressors early in progression. One reason may be because the axon is generally thin for both its unmyelinated and myel ...
... pressure. Though the precise mechanisms that mediate or transduce this sensitivity are not clear, the axon of the retinal ganglion cell appears to be vulnerable to disease-relevant stressors early in progression. One reason may be because the axon is generally thin for both its unmyelinated and myel ...
The projection of the lateral geniculate nucleus to area 17 of the rat
... To reconstruct the forms of the dendrites receiving degenerating and synapsing geniculocortical afferents on their shafts, serial thin sections through layer IV of the visual cortex were prepared. The material used for serial sectioning was obtained from the animal designated earlier (Peters and Fel ...
... To reconstruct the forms of the dendrites receiving degenerating and synapsing geniculocortical afferents on their shafts, serial thin sections through layer IV of the visual cortex were prepared. The material used for serial sectioning was obtained from the animal designated earlier (Peters and Fel ...
adult rat spinal cord culture on an organosilane surface in
... and glial cells. We are using different cell separation techniques to isolate different cell types of the adult spinal cord and study their respective physiology. One of the challenging issues in such an in vitro cell culture model is to reduce the amount of cellular debris during cell plating. The ...
... and glial cells. We are using different cell separation techniques to isolate different cell types of the adult spinal cord and study their respective physiology. One of the challenging issues in such an in vitro cell culture model is to reduce the amount of cellular debris during cell plating. The ...
Synchronization and coordination of sequences in two neural
... 共Received 12 August 2004; published 21 June 2005兲 There are many types of neural networks involved in the sequential motor behavior of animals. For high species, the control and coordination of the network dynamics is a function of the higher levels of the central nervous system, in particular the c ...
... 共Received 12 August 2004; published 21 June 2005兲 There are many types of neural networks involved in the sequential motor behavior of animals. For high species, the control and coordination of the network dynamics is a function of the higher levels of the central nervous system, in particular the c ...
Nervous System I - Union County College
... The function of a neuron is to transmit information from one part of the body to another. • This is done in the form of electrical impulses. • An impulse arrives at the dendrite • When the impulse is strong enough, it depolarizes the membrane and the impulse is transmitted along the axon • When the ...
... The function of a neuron is to transmit information from one part of the body to another. • This is done in the form of electrical impulses. • An impulse arrives at the dendrite • When the impulse is strong enough, it depolarizes the membrane and the impulse is transmitted along the axon • When the ...
![Responses to Odors Mapped in Snail Tentacle and Brain by [14C]](http://s1.studyres.com/store/data/017009313_1-932f7069dbfdd3fd3915bbe942d02b0f-300x300.png)
Responses to Odors Mapped in Snail Tentacle and Brain by [14C]
... Engineering Research Councrl of Canada and the Quebec Department of Educatron (FCAC). I am grateful to John Kauer for advice on methods, Ian Chin-Yee for collaboration in pilot studies, Barbara Tolloczko for technical assistance, Robert Lamarche for photography, Rhonda Amsel for statistrcs, and Gerr ...
... Engineering Research Councrl of Canada and the Quebec Department of Educatron (FCAC). I am grateful to John Kauer for advice on methods, Ian Chin-Yee for collaboration in pilot studies, Barbara Tolloczko for technical assistance, Robert Lamarche for photography, Rhonda Amsel for statistrcs, and Gerr ...
Plasticity in the Nervous System of Adult Hydra. III. Conversion of
... the context of constant change of location? Earlier studies have shown that there are two means to achieve this end. In one, the epidermal sensory cells of the tentacles are maintained by new differentiation (Yaross et al., 1986). In the other, the epidermal sensory cells of the hypostome, and a sub ...
... the context of constant change of location? Earlier studies have shown that there are two means to achieve this end. In one, the epidermal sensory cells of the tentacles are maintained by new differentiation (Yaross et al., 1986). In the other, the epidermal sensory cells of the hypostome, and a sub ...
Monitoring and switching of cortico-basal ganglia loop
... 4. Monitoring and switching of top-down biased control functions of cortico-basal ganglia loops through the thalamo-striatal system As described above, the CM and Pf receive signals from the internal segment of the globus pallidus and from the substantia nigra pars reticulata, respectively (Sidibé e ...
... 4. Monitoring and switching of top-down biased control functions of cortico-basal ganglia loops through the thalamo-striatal system As described above, the CM and Pf receive signals from the internal segment of the globus pallidus and from the substantia nigra pars reticulata, respectively (Sidibé e ...
Inferring functional connections between neurons
... Institute of Chicago, 345 East Superior Street, Chicago, IL 60611, USA ...
... Institute of Chicago, 345 East Superior Street, Chicago, IL 60611, USA ...
Glial cell biology in Drosophila and vertebrates
... Most glia are not born where they will eventually reside in the nervous system; instead, they migrate significant distances from where they are born to highly-specific target sites. In some cases, glial migration is coordinated by the same cues that direct axon pathfinding. For example, a subset of ...
... Most glia are not born where they will eventually reside in the nervous system; instead, they migrate significant distances from where they are born to highly-specific target sites. In some cases, glial migration is coordinated by the same cues that direct axon pathfinding. For example, a subset of ...
Lateral Connectivity and Contextual Interactions in Macaque
... contour integration in primary visual cortex (V1): intrinsic horizontal connections and feedback from higher cortical areas. To distinguish between these, we combined functional mapping with a new technique for labeling axons, a recombinant adenovirus bearing the gene for green fluorescent protein ( ...
... contour integration in primary visual cortex (V1): intrinsic horizontal connections and feedback from higher cortical areas. To distinguish between these, we combined functional mapping with a new technique for labeling axons, a recombinant adenovirus bearing the gene for green fluorescent protein ( ...
Anatomy Review
... • In addition to sending signals to effector organs, neurons send signals to each other. • Neurons can excite or inhibit other neurons. • The neuron that synapses on the dendrites of this cell excites it and causes it to generate an action potential. • In this case, the neuron synapsing on the soma ...
... • In addition to sending signals to effector organs, neurons send signals to each other. • Neurons can excite or inhibit other neurons. • The neuron that synapses on the dendrites of this cell excites it and causes it to generate an action potential. • In this case, the neuron synapsing on the soma ...
PDF
... INTRODUCTION In the developing vertebrate peripheral nervous system (PNS), neurotrophins sustain the survival of particular populations of neurons and promote the growth and branching of their axons (Bibel and Barde, 2000; Huang and Reichardt, 2001; Davies, 2009). In so doing, this family of secrete ...
... INTRODUCTION In the developing vertebrate peripheral nervous system (PNS), neurotrophins sustain the survival of particular populations of neurons and promote the growth and branching of their axons (Bibel and Barde, 2000; Huang and Reichardt, 2001; Davies, 2009). In so doing, this family of secrete ...
Neuronal Replacement and Reconstruction of Damaged Circuitries
... CSF-filled ventricular system (Stenevi et al 1976). It seems likely that the conditions of the transplantation site are morecritical for older donor tissue, wherethe constituent neuronshaveundergonetheir last cell divisions, than for moreundifferentiated donor tissue where continued cell proliferati ...
... CSF-filled ventricular system (Stenevi et al 1976). It seems likely that the conditions of the transplantation site are morecritical for older donor tissue, wherethe constituent neuronshaveundergonetheir last cell divisions, than for moreundifferentiated donor tissue where continued cell proliferati ...
18-1 PITUITARY GLAND AND HYPOTHALAMUS 1. The pituitary
... 2. The pituitary gland was once considered the "master" gland because hormones released from the pituitary control other endocrine glands and many body functions. It is now known that the regulation of release of hormones from the pituitary is controlled by the hypothalamus. Thus the endocrine syste ...
... 2. The pituitary gland was once considered the "master" gland because hormones released from the pituitary control other endocrine glands and many body functions. It is now known that the regulation of release of hormones from the pituitary is controlled by the hypothalamus. Thus the endocrine syste ...
Neural integration
... At spinal segment it targets, an axon in anterior corticospinal tract crosses over to opposite side of spinal cord in anterior white commissure before synapsing on lower motor neurons in anterior gray horns ...
... At spinal segment it targets, an axon in anterior corticospinal tract crosses over to opposite side of spinal cord in anterior white commissure before synapsing on lower motor neurons in anterior gray horns ...
Tyrosine Hydroxylase in the Rat Parabrachial Region: Ultrastructural
... ribosomes, and microtubules. The labeled dendrites were most often postsynaptic to 1 unlabeled terminal seen in a single plane of section (Fig. 2A). The unlabeled terminals measured 0.4-1.2 pm, contained mitochondria and numerous flattened or oval s&s, and appeared to form primarily asymmetric densi ...
... ribosomes, and microtubules. The labeled dendrites were most often postsynaptic to 1 unlabeled terminal seen in a single plane of section (Fig. 2A). The unlabeled terminals measured 0.4-1.2 pm, contained mitochondria and numerous flattened or oval s&s, and appeared to form primarily asymmetric densi ...
Cochlea and Auditory Pathways
... Hearing begins with pressure waves impacting the tympanic membrane, causing it to vibrate. The vibration is transmitted from malleus to incus to stapes. The stapes rocks in & out, causing the membrane of the oval window to produce pressure waves within perilymph of the scala vestibuli. Pressure is t ...
... Hearing begins with pressure waves impacting the tympanic membrane, causing it to vibrate. The vibration is transmitted from malleus to incus to stapes. The stapes rocks in & out, causing the membrane of the oval window to produce pressure waves within perilymph of the scala vestibuli. Pressure is t ...
CHARLES UNIVERSITY
... system in epileptiform activity (Schuchmann, 2002). NMDA receptor is a specific type of ionotropic glutamate receptor. These receptors when tonically activated can trigger an excessive increase in intracellular calcium; nerve cells start to induce abnormal excessive activity and intracellular calciu ...
... system in epileptiform activity (Schuchmann, 2002). NMDA receptor is a specific type of ionotropic glutamate receptor. These receptors when tonically activated can trigger an excessive increase in intracellular calcium; nerve cells start to induce abnormal excessive activity and intracellular calciu ...
The horizontal brain slice preparation: a novel approach for
... All experimental protocols have been approved by the University of Wyoming’s Institutional Animal Care and Use Committee (IACUC). Xenopus laevis tadpoles were reared in Steinberg’s solution at 25°C on a 12:12-h light-dark schedule. Tadpoles were staged according to the developmental table described ...
... All experimental protocols have been approved by the University of Wyoming’s Institutional Animal Care and Use Committee (IACUC). Xenopus laevis tadpoles were reared in Steinberg’s solution at 25°C on a 12:12-h light-dark schedule. Tadpoles were staged according to the developmental table described ...
1) Discuss if NOCICEPTORS are real. 2) Describe the distribution of
... “In aplysia, the first potential nociceptors were identified in the abdominal ganglion but these were originally identified as being low threshold mechanoreceptors. However, if pinned out correctly these siphon innervating cells were shown to have high threshold with maximal activity occurring w ...
... “In aplysia, the first potential nociceptors were identified in the abdominal ganglion but these were originally identified as being low threshold mechanoreceptors. However, if pinned out correctly these siphon innervating cells were shown to have high threshold with maximal activity occurring w ...
Synapse
... - Marked hypoxia for a very short period, (a few seconds), causes loss of excitability of many neurons and stop of synaptic transmission. - When the blood supply to the brain is markedly reduced→ coma occurs within less than 7 seconds. ...
... - Marked hypoxia for a very short period, (a few seconds), causes loss of excitability of many neurons and stop of synaptic transmission. - When the blood supply to the brain is markedly reduced→ coma occurs within less than 7 seconds. ...
Nerve activates contraction
... Bipolar neurons – one axon and one dendrite Rare: these are sensory neurons (eye, ear) ...
... Bipolar neurons – one axon and one dendrite Rare: these are sensory neurons (eye, ear) ...
Biological clock - Science Mission
... • SCN cells in culture: no entrainment of light-dark cycles, but their basic rhythmicity remains just as when being deprived of zeitgebers. • SCN cells communicate their rhythmic message to the rest of the brain through efferent axons, using Aps, and rates of SCN cell firing vary with a circadian rh ...
... • SCN cells in culture: no entrainment of light-dark cycles, but their basic rhythmicity remains just as when being deprived of zeitgebers. • SCN cells communicate their rhythmic message to the rest of the brain through efferent axons, using Aps, and rates of SCN cell firing vary with a circadian rh ...