whisker outline.doc
... directed toward the main column. However, some of the axons here relay to layers 2/3 of the adjacent barrel. This fact together with the fact that in layers 2/3 is characterized by cortico-cortical horizontal connections that the cortex with the ability to integrate inputs from different sensory mod ...
... directed toward the main column. However, some of the axons here relay to layers 2/3 of the adjacent barrel. This fact together with the fact that in layers 2/3 is characterized by cortico-cortical horizontal connections that the cortex with the ability to integrate inputs from different sensory mod ...
The Nervous System
... the membrane (returns to resting). A neuron cannot conduct another impulse until repolarization occurs. ...
... the membrane (returns to resting). A neuron cannot conduct another impulse until repolarization occurs. ...
neurons
... of its membrane and allowing positive ions to rush in. • The neuron then quickly pushes the positively charged ions back out again and closes that section of its membrane. • The neuron then opens the next section of its membrane and allows the positively charged ions to rush in, and quickly pushes t ...
... of its membrane and allowing positive ions to rush in. • The neuron then quickly pushes the positively charged ions back out again and closes that section of its membrane. • The neuron then opens the next section of its membrane and allows the positively charged ions to rush in, and quickly pushes t ...
Chapter 7
... The cochlea is part of the inner ear; it is filled with fluid, therefore sounds transferred through the air must be transferred into a liquid medium; the ossicles aid in this transmission The cochlea is divided into 3 sections: the scala vestibuli, scala media, and scala tympani The receptive organ, ...
... The cochlea is part of the inner ear; it is filled with fluid, therefore sounds transferred through the air must be transferred into a liquid medium; the ossicles aid in this transmission The cochlea is divided into 3 sections: the scala vestibuli, scala media, and scala tympani The receptive organ, ...
Nervous System Nervous system
... The PNS connects all parts of the body to the CNS It uses specialized structures called nerves to carry information between body and CNS ...
... The PNS connects all parts of the body to the CNS It uses specialized structures called nerves to carry information between body and CNS ...
Hoopfer et al., Supplemental Data Supplemental Figure S1
... points the protective effect of UBP2 is less than that of Wlds, which strongly prevent ORN degeneration (compare Figures 4D3 and 4F3). Number of brains quantified: 5 days after cut, wt (14), UBP2 (23); 10 days after cut, wt (13), UBP2 (23). Error bars represent SEM. Methods: Quantification was perfo ...
... points the protective effect of UBP2 is less than that of Wlds, which strongly prevent ORN degeneration (compare Figures 4D3 and 4F3). Number of brains quantified: 5 days after cut, wt (14), UBP2 (23); 10 days after cut, wt (13), UBP2 (23). Error bars represent SEM. Methods: Quantification was perfo ...
2-3 nervous sys Sp13
... Brain and spinal cord from brain/spinal cord to muscles or Peripheral nervous Central nervous glands system (PNS) system (CNS) ...
... Brain and spinal cord from brain/spinal cord to muscles or Peripheral nervous Central nervous glands system (PNS) system (CNS) ...
Neuron Unit 3A
... • Terminal buttons turns electrical charge into chemical (neurotransmitter) and shoots message to next neuron across the synapse. ...
... • Terminal buttons turns electrical charge into chemical (neurotransmitter) and shoots message to next neuron across the synapse. ...
Nerves and nervous impulses File
... receptor in the cell membrane. This activates a second messenger within the cell (cAMP). cAMP activates enzymes or transcription factors. Eg. Insulin, adrenalin. 2. Steroid hormones - diffuse across the cell membrane and bind with a receptor in the cytoplasm. This hormone receptor complex acts as a ...
... receptor in the cell membrane. This activates a second messenger within the cell (cAMP). cAMP activates enzymes or transcription factors. Eg. Insulin, adrenalin. 2. Steroid hormones - diffuse across the cell membrane and bind with a receptor in the cytoplasm. This hormone receptor complex acts as a ...
Organization of the Nervous system. Physiology of neurons and glial
... about 20,000 genes (coding & regulatory DNA) 14,000 genes expressed in the developing/mature brain about 8,000 genes are expressed in all cells and tissues a great deal of “brain specific” genetic information resides in the regulatory DNA sequences that control timing, quantity, variability, and c ...
... about 20,000 genes (coding & regulatory DNA) 14,000 genes expressed in the developing/mature brain about 8,000 genes are expressed in all cells and tissues a great deal of “brain specific” genetic information resides in the regulatory DNA sequences that control timing, quantity, variability, and c ...
Sam Wangdescribes some of the physics of our most complex organ
... the cortex, the grey matter forms a rind that surrounds the white matter. When you look more closely, any given bit of grey matter in the cerebral cortex is layered like a cake, with connections passing from layer to layer. The layers are arranged such that a hypothetical shuffling of the order of t ...
... the cortex, the grey matter forms a rind that surrounds the white matter. When you look more closely, any given bit of grey matter in the cerebral cortex is layered like a cake, with connections passing from layer to layer. The layers are arranged such that a hypothetical shuffling of the order of t ...
Maximizing Instructional Time
... your neuron. • Your arm represents the axon of your neuron. • Dendrites do not talk to other dendrites. • Dendrites talk to axons but they do not touch since the message has to cross an area called the synapse. • There is a substance that forms on the axon called myelin. • Myelin is like ‘crisco’. ...
... your neuron. • Your arm represents the axon of your neuron. • Dendrites do not talk to other dendrites. • Dendrites talk to axons but they do not touch since the message has to cross an area called the synapse. • There is a substance that forms on the axon called myelin. • Myelin is like ‘crisco’. ...
MS Word Version - Interactive Physiology
... 11. In general, the longest axons are associated with the largest cell bodies. 12. Left side of page from top to bottom: axon hillock, axon collaterals. Right side of page: axon terminals. 13. a. axon hillock b. axon collaterals c. axon terminals 14. The action potential is generated at the axon hil ...
... 11. In general, the longest axons are associated with the largest cell bodies. 12. Left side of page from top to bottom: axon hillock, axon collaterals. Right side of page: axon terminals. 13. a. axon hillock b. axon collaterals c. axon terminals 14. The action potential is generated at the axon hil ...
Chapter 7: Structure of Nervous System
... When axon in PNS is severed: Distal part of axon degenerates Schwann cells survive; form regeneration tube Tube releases chemicals that attract growing axon Tube guides regrowing axon to synaptic site Neurotrophins: Promote ___________________l nerve growth Required for survival of many ad ...
... When axon in PNS is severed: Distal part of axon degenerates Schwann cells survive; form regeneration tube Tube releases chemicals that attract growing axon Tube guides regrowing axon to synaptic site Neurotrophins: Promote ___________________l nerve growth Required for survival of many ad ...
Anatomy Review - Interactive Physiology
... • The dendrites and cell body provide a large surface area for communication with other neurons. • Signals from other neurons are received at synapses, the junctions between neurons. • Label the synapse in this diagram: ...
... • The dendrites and cell body provide a large surface area for communication with other neurons. • Signals from other neurons are received at synapses, the junctions between neurons. • Label the synapse in this diagram: ...
Answers to Mastering Concepts Questions
... Olfactory receptor cells in the nose send signals to the brain's olfactory bulb. The cerebral cortex identifies the odor based on the specific membrane-bound receptor proteins that have transmitted the impulse. 2. How does a taste bud function? A taste bud is a cluster of taste receptor cells that h ...
... Olfactory receptor cells in the nose send signals to the brain's olfactory bulb. The cerebral cortex identifies the odor based on the specific membrane-bound receptor proteins that have transmitted the impulse. 2. How does a taste bud function? A taste bud is a cluster of taste receptor cells that h ...
text
... Cell bodies of primary sensory neurons are in the dorsal root ganglion (DRG). The distal end of its peripheral axon is associated with a sensory receptor (eg. touch receptor in skin; joint position receptor). Its central axon projects through the dorsal root to enter the spinal cord in the dorsal co ...
... Cell bodies of primary sensory neurons are in the dorsal root ganglion (DRG). The distal end of its peripheral axon is associated with a sensory receptor (eg. touch receptor in skin; joint position receptor). Its central axon projects through the dorsal root to enter the spinal cord in the dorsal co ...
2_Vision
... are transduced (I have no idea if this is the correct past tense of transduction) and then processed in our visual cortex ...
... are transduced (I have no idea if this is the correct past tense of transduction) and then processed in our visual cortex ...
Neurobiology of the Senses
... 5 The Na+ channels close when cGMP detaches. The membrane’s permeability to Na+ decreases, and the rod hyperpolarizes. ...
... 5 The Na+ channels close when cGMP detaches. The membrane’s permeability to Na+ decreases, and the rod hyperpolarizes. ...
Chapter 12 - Nervous Tissue
... axons or dendrites; produce the __________ sheath around PNS neuron axons 1) ______________ is the outer nucleated cytoplasmic layer of a Schwann cell; helps regenerate damaged myelinated PNS neuron axon or dendrite. 2) _______ of ___________ (neurofibral nodes) are gaps between myelin sheaths on th ...
... axons or dendrites; produce the __________ sheath around PNS neuron axons 1) ______________ is the outer nucleated cytoplasmic layer of a Schwann cell; helps regenerate damaged myelinated PNS neuron axon or dendrite. 2) _______ of ___________ (neurofibral nodes) are gaps between myelin sheaths on th ...
Composition of the Nervous System
... -The structure of a typical neuronal cell is comprised of a body, many branching dendrites and a single branching axon. The proximal part of the axon is called the axon hillock. -Schematic neurons: Particularly when drawing circuits neurons can represented in a schematic way by a circle (cell body a ...
... -The structure of a typical neuronal cell is comprised of a body, many branching dendrites and a single branching axon. The proximal part of the axon is called the axon hillock. -Schematic neurons: Particularly when drawing circuits neurons can represented in a schematic way by a circle (cell body a ...
Curriculum Vitae
... molecular mechanisms underlying the proper migration and distribution of different types of neurons in developing brain, one of the key steps for brain morphogenesis. Currently, we focus on the guidance mechanism for the radial migration of cortical neurons by diffusible guidance factors and the int ...
... molecular mechanisms underlying the proper migration and distribution of different types of neurons in developing brain, one of the key steps for brain morphogenesis. Currently, we focus on the guidance mechanism for the radial migration of cortical neurons by diffusible guidance factors and the int ...