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... Glutamate – excitatory most widely available neurotransmitter, paradoxically both main neurotransmitter for memory and main one responsible for cell death ...
... Glutamate – excitatory most widely available neurotransmitter, paradoxically both main neurotransmitter for memory and main one responsible for cell death ...
bio 342 human physiology
... modality, intensity, location, and duration of external stimuli. • Transduction: the conversion of a physical stimulus into a change in membrane potential (electrochemical signal) – Signals are transmitted in the form of graded potentials, action potentials, and synaptic interaction • Receptors: cel ...
... modality, intensity, location, and duration of external stimuli. • Transduction: the conversion of a physical stimulus into a change in membrane potential (electrochemical signal) – Signals are transmitted in the form of graded potentials, action potentials, and synaptic interaction • Receptors: cel ...
Unit10 Nervous Wk 1
... mark is level with the top of the forefinger. 2. Without warning, the first student drops the rule and the second student attempts to catch it between the thumb and forefinger, noting the distance on the ruler just above the forefinger. 3. Repeat several times, so that an average can be calculated. ...
... mark is level with the top of the forefinger. 2. Without warning, the first student drops the rule and the second student attempts to catch it between the thumb and forefinger, noting the distance on the ruler just above the forefinger. 3. Repeat several times, so that an average can be calculated. ...
Chapter 12 Notes Part 1 File
... • The function of the nervous system, along with the endocrine system, is to communicate – Controls and integrates many different functions performed by different organs, tissues, and cells – Communication, Control, Integration, Homeostasis,Survival ...
... • The function of the nervous system, along with the endocrine system, is to communicate – Controls and integrates many different functions performed by different organs, tissues, and cells – Communication, Control, Integration, Homeostasis,Survival ...
Divisions of the Nervous System
... • Convey incoming messages toward cell body as graded potentials (short distance signals) ...
... • Convey incoming messages toward cell body as graded potentials (short distance signals) ...
How the Brain Works And Why it Probably Doesn`t Work this way!
... different pathways in different patients; while patients may show very individual patterns of demyelination (and therefore different signs/symptoms), there are some sites that appear to be more commonly affected; for example, the optic nerve is commonly involved, as is the deep white matter of the h ...
... different pathways in different patients; while patients may show very individual patterns of demyelination (and therefore different signs/symptoms), there are some sites that appear to be more commonly affected; for example, the optic nerve is commonly involved, as is the deep white matter of the h ...
Ch 3 Vision - Texas A&M University
... lines of about 2 inches (1/2 inch apart). • Close your left eye, and focus your right eye on your index figure, and move the figure. • At some point, you can’t distinguish the two vertical lines. ...
... lines of about 2 inches (1/2 inch apart). • Close your left eye, and focus your right eye on your index figure, and move the figure. • At some point, you can’t distinguish the two vertical lines. ...
nerve_pharmacy_(mana..
... phosphate ions) cannot leave the cell. • 3. very small amount of Na+ diffuses into the cell down its conc gradient. The mb only slightly permeable to Na+. (through Na+ leak channels). • 4. Na+-K+ pump maintain conc gradients of K+, and Na+ between the two sides of the mb. ...
... phosphate ions) cannot leave the cell. • 3. very small amount of Na+ diffuses into the cell down its conc gradient. The mb only slightly permeable to Na+. (through Na+ leak channels). • 4. Na+-K+ pump maintain conc gradients of K+, and Na+ between the two sides of the mb. ...
chapter32_part2
... • The cerebral cortex, the outer layer of gray matter, has areas that receive and integrate sensory information. It also controls conscious thought and actions. • The cerebral cortex interacts with the limbic system, a set of brain structures that collectively affect emotions and contribute to memor ...
... • The cerebral cortex, the outer layer of gray matter, has areas that receive and integrate sensory information. It also controls conscious thought and actions. • The cerebral cortex interacts with the limbic system, a set of brain structures that collectively affect emotions and contribute to memor ...
Structural Biochemistry/Cell Signaling Pathways/Nervous System
... nerve cells depends on action potentials, which are voltage differences across membranes. Action potentials are initiated by the movement of charged ions, such as potassium and sodium, across the cell membrane through voltage dependent ion gates. These gates are opened by binding of neurotransmitter ...
... nerve cells depends on action potentials, which are voltage differences across membranes. Action potentials are initiated by the movement of charged ions, such as potassium and sodium, across the cell membrane through voltage dependent ion gates. These gates are opened by binding of neurotransmitter ...
Topic 6
... Studying transmitter release is fairly effective in the PNS, but it is much more difficult in the CNS because the range of different chemicals in the numerous different regions of the brain and spinal cord make isolation very difficult. One technique that can be used to approximate the study of CNS ...
... Studying transmitter release is fairly effective in the PNS, but it is much more difficult in the CNS because the range of different chemicals in the numerous different regions of the brain and spinal cord make isolation very difficult. One technique that can be used to approximate the study of CNS ...
The Nervous System
... • Diencephalon: area between cerebrum and midbrain ▫ Thalamus: gray matter, relay station for sensory incoming and motor outgoing impulses; damage - increased sensitivity to pain, loss of consciousness ▫ Hypothalamus: forms floor of third ventricle ...
... • Diencephalon: area between cerebrum and midbrain ▫ Thalamus: gray matter, relay station for sensory incoming and motor outgoing impulses; damage - increased sensitivity to pain, loss of consciousness ▫ Hypothalamus: forms floor of third ventricle ...
Introduction to Anatomy
... 3. Somatosensory cortex D. Physiology of motor pathways 1. Direct (pyramidal) pathways 2. Indirect (extrapyramidal) pathways ...
... 3. Somatosensory cortex D. Physiology of motor pathways 1. Direct (pyramidal) pathways 2. Indirect (extrapyramidal) pathways ...
Notes of Neuronal Firing
... Two kinds of cells: 1. Neuron or nerve cell is the functional unit. These cells are excitable cells capable of conducting electrochemical signals along their membranes. 2. Glial cells provide structural and metabolic support for neurons. These cells constitute about 90% of the cells in the nervous s ...
... Two kinds of cells: 1. Neuron or nerve cell is the functional unit. These cells are excitable cells capable of conducting electrochemical signals along their membranes. 2. Glial cells provide structural and metabolic support for neurons. These cells constitute about 90% of the cells in the nervous s ...
Introduction to Psychology
... Dr. Wozniak is examining a cell from the nervous system of an animal. He notices that at one end of the cell body is a long, fibrous strand of tissue. He immediately recognizes this is an axon that is responsible for a. carrying signals away from the cell body b. receiving signals from other cells a ...
... Dr. Wozniak is examining a cell from the nervous system of an animal. He notices that at one end of the cell body is a long, fibrous strand of tissue. He immediately recognizes this is an axon that is responsible for a. carrying signals away from the cell body b. receiving signals from other cells a ...
Human Anatomy and Physiology, Nervous System and Special
... Axons _________________ and conduct impulses away from the cell body 5. Describe the function of the synapse. Axon carries the _________________ to axonal terminals __________________________ are released NTs may _______ to and stimulate the structure across the cleft 6. List functions of the myelin ...
... Axons _________________ and conduct impulses away from the cell body 5. Describe the function of the synapse. Axon carries the _________________ to axonal terminals __________________________ are released NTs may _______ to and stimulate the structure across the cleft 6. List functions of the myelin ...
Regulation Systems: Nervous and Endocrine Systems
... •Cell body – contains nucleus and other organelles •Dendrite – receives impulse from another neuron •Axon – sends impulses to other neurons, muscles or glands •The axons of some neurons have a myelin sheath for protection and faster transmission. ...
... •Cell body – contains nucleus and other organelles •Dendrite – receives impulse from another neuron •Axon – sends impulses to other neurons, muscles or glands •The axons of some neurons have a myelin sheath for protection and faster transmission. ...
Autonomic Nervous System Period 5 Jacquelene Hanein, Karina
... The motor nervous system can be separated into two nervous systems ● Autonomic nervous system o Parasympathetic division o Sympathetic Division ● Somatic nervous system o Cranial Nerves: connect the upper body and head o Spinal Nerves: connect the rest of the body ...
... The motor nervous system can be separated into two nervous systems ● Autonomic nervous system o Parasympathetic division o Sympathetic Division ● Somatic nervous system o Cranial Nerves: connect the upper body and head o Spinal Nerves: connect the rest of the body ...
Nervous System Lecture- Part II
... Form an insulating layer Prevent leakage of electrical current Increase the speed of impulse conduction Nodes of Ranvier – gaps along axon Thick axons are myelinated Thin axons are unmyelinated, conduct impulses more slowly Myelin Sheaths in the PNS Myalin sheaths formed by Schwann cells (neurolemma ...
... Form an insulating layer Prevent leakage of electrical current Increase the speed of impulse conduction Nodes of Ranvier – gaps along axon Thick axons are myelinated Thin axons are unmyelinated, conduct impulses more slowly Myelin Sheaths in the PNS Myalin sheaths formed by Schwann cells (neurolemma ...
PPT - Michael J. Watts
... • When the neuron fires, the potential drops down below the resting potential • After firing, returns to resting potential • Firing causes a spike of potential to travel along the axon ...
... • When the neuron fires, the potential drops down below the resting potential • After firing, returns to resting potential • Firing causes a spike of potential to travel along the axon ...
Nerve Tissue Part 1
... around PNS neuron axons each cell produces part of the myelin sheath around a single axon of a PNS neuron ...
... around PNS neuron axons each cell produces part of the myelin sheath around a single axon of a PNS neuron ...
the human brain
... the automatic behaviours that keep us alive, such as breathing, regulating our heart beat and swallowing. Significantly, its axons cross from one side of the brain to the other as they descend to the spinal cord, which explains why each side of the brain controls the opposite side of the body. A lit ...
... the automatic behaviours that keep us alive, such as breathing, regulating our heart beat and swallowing. Significantly, its axons cross from one side of the brain to the other as they descend to the spinal cord, which explains why each side of the brain controls the opposite side of the body. A lit ...
Nervous System
... In a simple reflex, only a sensory nerve and motor nerve involved – example, “kneejerk” reflex Disorders of Nervous System ...
... In a simple reflex, only a sensory nerve and motor nerve involved – example, “kneejerk” reflex Disorders of Nervous System ...