Central Nervous System
... They are called neurons And there are just three types Sensory is the first has receptors They respond to stimuli Association's in brain and spinal cord Interpreting the info and passing on To move the motor neurons carry to the body Bring it to the glands Bring it to the muscles...oh oh oh oh oh Ne ...
... They are called neurons And there are just three types Sensory is the first has receptors They respond to stimuli Association's in brain and spinal cord Interpreting the info and passing on To move the motor neurons carry to the body Bring it to the glands Bring it to the muscles...oh oh oh oh oh Ne ...
General Neurophysiology - Univerzita Karlova v Praze
... Degeneration and regeneration in the nervous system • Damaged (differenciated) neurons are not replaced Trauma of the CNS – glial scarf • Axons in CNS • Axons in PNS ...
... Degeneration and regeneration in the nervous system • Damaged (differenciated) neurons are not replaced Trauma of the CNS – glial scarf • Axons in CNS • Axons in PNS ...
Nervous System Notes
... Repair of Nerve Fibers New Schwann cells grow in the tunnel to maintain the path for the regrowth of the axon Cell body reorganizes its Nissl bodies to provide proteins Axon “sprouts” and begins to fill tunnel ...
... Repair of Nerve Fibers New Schwann cells grow in the tunnel to maintain the path for the regrowth of the axon Cell body reorganizes its Nissl bodies to provide proteins Axon “sprouts” and begins to fill tunnel ...
LECTURE OUTLINE
... “Meth” or “crank” is a powerful CNS stimulant. 17.6 Disorders of the Nervous System Disorders of the Brain Alzheimer disease is the most common cause of dementia. Parkinson disease is characterized by a gradual loss of motor control. Multiple sclerosis is the most common neurological disease that af ...
... “Meth” or “crank” is a powerful CNS stimulant. 17.6 Disorders of the Nervous System Disorders of the Brain Alzheimer disease is the most common cause of dementia. Parkinson disease is characterized by a gradual loss of motor control. Multiple sclerosis is the most common neurological disease that af ...
Sympathetic and Parasympathetic
... Sympathetic mydriatics Directly act on dilation pupillae to produce mydriatics (eg. Adrenaline as is tra-cameral injection, Phenylpherine drops 2.5-10%) and locaine ...
... Sympathetic mydriatics Directly act on dilation pupillae to produce mydriatics (eg. Adrenaline as is tra-cameral injection, Phenylpherine drops 2.5-10%) and locaine ...
Biology of Humans 2/e
... hold them in place, to supply nutrients and oxygen to neurons, to insulate one neuron from another, and to destroy pathogens and remove dead neurons. ...
... hold them in place, to supply nutrients and oxygen to neurons, to insulate one neuron from another, and to destroy pathogens and remove dead neurons. ...
The Nervous System Ch. 12 & 13
... damaged nerve atrophies as it is not being stimulated. If the damaged axon doesn’t repair itself, sometimes a nearby healthy neuron will establish a connection with the muscle. One damaged axon in a single neuron can shut down an entire nerve pathway if not repaired. ...
... damaged nerve atrophies as it is not being stimulated. If the damaged axon doesn’t repair itself, sometimes a nearby healthy neuron will establish a connection with the muscle. One damaged axon in a single neuron can shut down an entire nerve pathway if not repaired. ...
Nolte – Chapter 1 (Introduction to the Nervous
... Can release thrombosin to help create new synapses. Have receptors for glutamate that can cause calcium signaling that in turns realeases more glutamate into the synapse to help accelerate a posy synaptic response. ...
... Can release thrombosin to help create new synapses. Have receptors for glutamate that can cause calcium signaling that in turns realeases more glutamate into the synapse to help accelerate a posy synaptic response. ...
Document
... • Contains a sensory division and a motor division. • Sensory Division: o Contains sensory receptors that convert info into a nerve impulse and transmit it back to the CNS to make sense of it. o Monitors environmental changes such as light and sound o Detects changes in homeostasis ( ex: temperature ...
... • Contains a sensory division and a motor division. • Sensory Division: o Contains sensory receptors that convert info into a nerve impulse and transmit it back to the CNS to make sense of it. o Monitors environmental changes such as light and sound o Detects changes in homeostasis ( ex: temperature ...
The Nervous System
... • The CSF is formed in clusters of capillaries that hang in the diencephalon called the choroid plexuses. It circulates through the brain ventricles and returns to the blood, constantly draining as new CSF forms, keeping the overall volume and ...
... • The CSF is formed in clusters of capillaries that hang in the diencephalon called the choroid plexuses. It circulates through the brain ventricles and returns to the blood, constantly draining as new CSF forms, keeping the overall volume and ...
Biological Basis of Behavior
... increases conduction speed - Nodes of ranvier -spaces between the myelin sheath where information can become depolarized ( get lost) ...
... increases conduction speed - Nodes of ranvier -spaces between the myelin sheath where information can become depolarized ( get lost) ...
Review
... What are the functions of each functional class of neuron? What are the structures of a neuron and what do they do? Based on the processes coming off a soma, what are the 4 classes of neurons? Which structural class is most common? Which type of cells out number neurons in the nervous system? What d ...
... What are the functions of each functional class of neuron? What are the structures of a neuron and what do they do? Based on the processes coming off a soma, what are the 4 classes of neurons? Which structural class is most common? Which type of cells out number neurons in the nervous system? What d ...
Tutorial 4: Shapes and Roles of Glial Cells Figure 4: Shapes and
... Receptor sites for neurotransmitters such as glutamate and GABA have been identified on both astrocytes and Schwann cells. The functional significance of these receptors remains a mystery, but there is some speculation that these receptors allow for identification of neighboring neurons. This identi ...
... Receptor sites for neurotransmitters such as glutamate and GABA have been identified on both astrocytes and Schwann cells. The functional significance of these receptors remains a mystery, but there is some speculation that these receptors allow for identification of neighboring neurons. This identi ...
I. Nerve Organization
... I. Nerve Organization A. Nerve Net – Limited synapses between neurons. B. Ganglia – Local cluster of nerves. C. Cephalization – Head formation and bilateral semetry allow for complex brain function. ...
... I. Nerve Organization A. Nerve Net – Limited synapses between neurons. B. Ganglia – Local cluster of nerves. C. Cephalization – Head formation and bilateral semetry allow for complex brain function. ...
The Nervous System
... depolarizes the cell. If enough “excitation” occurs action potential is the result. Inhibitory synapses—causes membrane to be more permeable to K+ and Cl-, hyperpolarizing the cell. If enough “inhibition” occurs, it is more difficult for an action potential to occur. ...
... depolarizes the cell. If enough “excitation” occurs action potential is the result. Inhibitory synapses—causes membrane to be more permeable to K+ and Cl-, hyperpolarizing the cell. If enough “inhibition” occurs, it is more difficult for an action potential to occur. ...
The autonomic nervous system
... maintain homeostasis. Fight-or-flight response means that when somebody is in danger under the command of the hypothalamus the neural activity and the hormones together unleash the flight-or-flight response. It causes tunnel vision, the liberation of metabolic energy and the acceleration of heart an ...
... maintain homeostasis. Fight-or-flight response means that when somebody is in danger under the command of the hypothalamus the neural activity and the hormones together unleash the flight-or-flight response. It causes tunnel vision, the liberation of metabolic energy and the acceleration of heart an ...
10.2 Neurones
... single long fibre called an axon and smaller branched fibres called (4). Axons are surrounded by (5) cells, which protect and provide (6) because their membranes are rich in a lipid called (7). There are three types of neurone. Those that carry nerve impulses to the effectors are called (8) neurones ...
... single long fibre called an axon and smaller branched fibres called (4). Axons are surrounded by (5) cells, which protect and provide (6) because their membranes are rich in a lipid called (7). There are three types of neurone. Those that carry nerve impulses to the effectors are called (8) neurones ...
THERE IS A COMPUTER-LIKE SYSTEM IN OUR BODY
... CELL AND THE DENDRITES OF ANOTHER IS CALLED A SYNAPSE. ...
... CELL AND THE DENDRITES OF ANOTHER IS CALLED A SYNAPSE. ...
Biology Name____________________ Introduction to the Nervous
... Identify whether the characteristic or structure is true of or part of the central nervous system (CNS) or the peripheral nervous system (PNS). ______ Brain ______ Spinal Cord ______ Nerves ______ Integrates and coordinates sensory data and motor commands ______ Center of higher functions (intellige ...
... Identify whether the characteristic or structure is true of or part of the central nervous system (CNS) or the peripheral nervous system (PNS). ______ Brain ______ Spinal Cord ______ Nerves ______ Integrates and coordinates sensory data and motor commands ______ Center of higher functions (intellige ...
General Neurophysiology
... Injury of the axon in PNS • Compression, crushing, cutting – degeneration of the distal axon - but the cell body remains intact (Wallerian degeneration, axon is removed by macrophages) • Schwann cells remain and their basal lamina (band of Büngner) • Proximal axon sprouts (axonal sprouting) • Progn ...
... Injury of the axon in PNS • Compression, crushing, cutting – degeneration of the distal axon - but the cell body remains intact (Wallerian degeneration, axon is removed by macrophages) • Schwann cells remain and their basal lamina (band of Büngner) • Proximal axon sprouts (axonal sprouting) • Progn ...
Functional Organization of Nervous Tissue
... • Spinal nerves have a dorsal root (sensory neurons) and a ventral root (motor neurons) • Names of nerves in plexuses generally describe ...
... • Spinal nerves have a dorsal root (sensory neurons) and a ventral root (motor neurons) • Names of nerves in plexuses generally describe ...
NERVES
... Many axons are enclosed by a layer called the myelin sheath Near its end, an axon usually divides into several branches, each of which ends in a synaptic terminal › Snapse- the site of communication between a synaptic terminal and another cell Information is passed from the transmitting neuron to th ...
... Many axons are enclosed by a layer called the myelin sheath Near its end, an axon usually divides into several branches, each of which ends in a synaptic terminal › Snapse- the site of communication between a synaptic terminal and another cell Information is passed from the transmitting neuron to th ...
The Nervous System
... • PNS myelin is formed from Schwann cells and CNS myelin is formed from oligodendrocytes • Oligodendrocytes can coil around 60 fibers simultaneously and the sheaths they form lack a neurilemma (outer cytoplasmic layer of cells) • The neurilemma remains mostly intact when neurons are damaged and play ...
... • PNS myelin is formed from Schwann cells and CNS myelin is formed from oligodendrocytes • Oligodendrocytes can coil around 60 fibers simultaneously and the sheaths they form lack a neurilemma (outer cytoplasmic layer of cells) • The neurilemma remains mostly intact when neurons are damaged and play ...
psy221 tutorial kit - Covenant University
... Synapses take different forms such as axo-axonic, axodendritic etc. ...
... Synapses take different forms such as axo-axonic, axodendritic etc. ...