last lecture neurophysiology - Evans Laboratory: Environmental
... • when an action potential reaches the axon terminal of the neuromuscular junction it triggers calcium (Ca+2) channels to open • the concentration of Ca+2 inside the neuron is much lower than outside, so Ca+2 moves into the neuron along its concentration gradient • this increase in internal Ca+2 con ...
... • when an action potential reaches the axon terminal of the neuromuscular junction it triggers calcium (Ca+2) channels to open • the concentration of Ca+2 inside the neuron is much lower than outside, so Ca+2 moves into the neuron along its concentration gradient • this increase in internal Ca+2 con ...
II. ORGANIZATION OF THE HUMAN NERVOUS
... The vibrations are transferred from the _stirrup____ to another membrane known as the _oval window_______. Finally, vibrations are converted to an electrical impulse in the _cochlea_______, a snail-shaped sensory structure filled with fluid and tiny hairs. These hairs are pushed back & forth, pr ...
... The vibrations are transferred from the _stirrup____ to another membrane known as the _oval window_______. Finally, vibrations are converted to an electrical impulse in the _cochlea_______, a snail-shaped sensory structure filled with fluid and tiny hairs. These hairs are pushed back & forth, pr ...
Activity Overview - Teacher Enrichment Initiatives
... The brain, like all organs of the body, is made up of cells. The brain is made of many types of cells. In Activity 1C, students learned about three types of cells found in the nervous system. These cells are – neurons, glial cells, and microglial cells (a specialized type of macrophage cell). In thi ...
... The brain, like all organs of the body, is made up of cells. The brain is made of many types of cells. In Activity 1C, students learned about three types of cells found in the nervous system. These cells are – neurons, glial cells, and microglial cells (a specialized type of macrophage cell). In thi ...
Neurons & the Nervous System
... • Sympathetic = “Fight-orflight” response – Uses energy reserves to cope with stress or emergency – Adrenaline! ...
... • Sympathetic = “Fight-orflight” response – Uses energy reserves to cope with stress or emergency – Adrenaline! ...
Nervous System PPT - Effingham County Schools
... • Vital centers - cardiac, dilates blood vessels (drops and increases blood pressure), respiratory ...
... • Vital centers - cardiac, dilates blood vessels (drops and increases blood pressure), respiratory ...
Chapter 48 and 49 Name_______________________________
... The speed of an action potential increases with the axon’s diameter In vertebrates, axons are insulated by a myelin sheath, which causes an action potential’s speed to increase, Myelin sheaths are made by glia— oligodendrocytes in the CNS and Schwann cells in the PNS 17. What are the two types of sy ...
... The speed of an action potential increases with the axon’s diameter In vertebrates, axons are insulated by a myelin sheath, which causes an action potential’s speed to increase, Myelin sheaths are made by glia— oligodendrocytes in the CNS and Schwann cells in the PNS 17. What are the two types of sy ...
Nervous System Formative Study Guide File
... nerves leading to and from the CNS, often through junctions known as ganglia. 2. Using what you know about the processes of the central nervous system, describe the path an impulse would take that would make you move in response to a tap on the shoulder. The tap on the shoulder would be picked up by ...
... nerves leading to and from the CNS, often through junctions known as ganglia. 2. Using what you know about the processes of the central nervous system, describe the path an impulse would take that would make you move in response to a tap on the shoulder. The tap on the shoulder would be picked up by ...
chapt10_holes_lecture_animation
... Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. ...
... Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. ...
PowerPoint to accompany Hole’s Human Anatomy and
... Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. ...
... Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. ...
Mader/Biology, 11/e – Chapter Outline
... Neurons vary in appearance, depending on their function and location, but they all have three parts. a. The cell body contains the nucleus and other organelles. b. Dendrites receive information and conduct impulses toward the cell body. c. A single axon conducts impulses away from the cell body to s ...
... Neurons vary in appearance, depending on their function and location, but they all have three parts. a. The cell body contains the nucleus and other organelles. b. Dendrites receive information and conduct impulses toward the cell body. c. A single axon conducts impulses away from the cell body to s ...
Molecular and Cellular Mechanisms of the Neurovascular Link
... nervous system (CNS) becomes secondarily vascularized by sprouting angiogenesis from a surrounding vascular plexus. Another exclusive feature of the CNS vasculature is the formation of a blood brain barrier (BBB) that restricts the passage of substances between the circulating blood and the cerebros ...
... nervous system (CNS) becomes secondarily vascularized by sprouting angiogenesis from a surrounding vascular plexus. Another exclusive feature of the CNS vasculature is the formation of a blood brain barrier (BBB) that restricts the passage of substances between the circulating blood and the cerebros ...
Nervous System I
... Nearby neuroglia secrete growth factors that guide developing sprouts from the cell body into a tube formed by the remaining Schwann Cells. ...
... Nearby neuroglia secrete growth factors that guide developing sprouts from the cell body into a tube formed by the remaining Schwann Cells. ...
Transcripts/01_05 1
... a. Neurons use a lot of cytoskeletal elements (e.g. microtubules or microfilaments) b. Cross section of a dendrite [S17] i. There are a lot of structural components in the axon and throughout the neuron because it needs to maintain its dendritic structure as well, so we have these MAPs (microtubule ...
... a. Neurons use a lot of cytoskeletal elements (e.g. microtubules or microfilaments) b. Cross section of a dendrite [S17] i. There are a lot of structural components in the axon and throughout the neuron because it needs to maintain its dendritic structure as well, so we have these MAPs (microtubule ...
Cerebellum - UCSD Cognitive Science
... – Mossy fibers (cortex): contact granule cells with a collateral to deep nuclei; excitatory (GLU) (MF state vector) – Climbing fibers (spinal cord/brainstem): contact Purkinje cells with a collateral to deep nuclei; excitatory (CF state vector: training/ error signal) ...
... – Mossy fibers (cortex): contact granule cells with a collateral to deep nuclei; excitatory (GLU) (MF state vector) – Climbing fibers (spinal cord/brainstem): contact Purkinje cells with a collateral to deep nuclei; excitatory (CF state vector: training/ error signal) ...
Synapse Jeopardy
... • A special molecule on a dendrite that tastes each specific neurotransmitter. ...
... • A special molecule on a dendrite that tastes each specific neurotransmitter. ...
Muscle Diseases - Lemon Bay High School
... Blood of affected patients contains antibodies to ACh receptors which suggests it is an autoimmune disorder. Progressive muscle disease resulting from loss of ACh function at the neuromuscular junction. Characterized by drooping of eyelids and other facial muscles, difficulty swallowing and talking, ...
... Blood of affected patients contains antibodies to ACh receptors which suggests it is an autoimmune disorder. Progressive muscle disease resulting from loss of ACh function at the neuromuscular junction. Characterized by drooping of eyelids and other facial muscles, difficulty swallowing and talking, ...
Chapter 7: The Nervous System
... D. Action Potentials or Nerve Impulses- an electrical charge traveling down a neuron ...
... D. Action Potentials or Nerve Impulses- an electrical charge traveling down a neuron ...
The Review
... 13. What is a split brain operation? Why would it be performed? Why is it that a split brain person can not describe what they are holding in their left hand? 14. What is and EEG, CAT, MRI, and PET? 15. What is the difference between a neurotransmitter and hormone? 16. Know your glands! ...
... 13. What is a split brain operation? Why would it be performed? Why is it that a split brain person can not describe what they are holding in their left hand? 14. What is and EEG, CAT, MRI, and PET? 15. What is the difference between a neurotransmitter and hormone? 16. Know your glands! ...
BIOL241AddlGuideFinalSUM2012
... and PNS, Special Senses: (Olfaction)Taste, Touch. Chapters 1 – 15 . Because brain anatomy (structures) is being tested in the laboratory, this exam has a strong emphasis on functions, the senses and more general topics in the Nervous System. Be sure to study: • The events, chemicals, and structures ...
... and PNS, Special Senses: (Olfaction)Taste, Touch. Chapters 1 – 15 . Because brain anatomy (structures) is being tested in the laboratory, this exam has a strong emphasis on functions, the senses and more general topics in the Nervous System. Be sure to study: • The events, chemicals, and structures ...
FIGURE LEGENDS FIGURE 20.1 Time
... FIGURE 20.3 Dendritic fields are largely unchanged once established during development. Lateonset dendritic loss in Drosophila warts mutants (wts−/−) in late larval stages. Live images of wildtype (WT) and wts mutant (wts) dendrites of class IV da neurons at different times after egg laying (AEL). I ...
... FIGURE 20.3 Dendritic fields are largely unchanged once established during development. Lateonset dendritic loss in Drosophila warts mutants (wts−/−) in late larval stages. Live images of wildtype (WT) and wts mutant (wts) dendrites of class IV da neurons at different times after egg laying (AEL). I ...
Ch 31: Urinary System
... - created by the movement of positively charged sodium & potassium ions across the cell membrane of the axon - as charged particles move, they create electrical impulses - considered “all-or-none phenomenon”…either happen completely or not at all ...
... - created by the movement of positively charged sodium & potassium ions across the cell membrane of the axon - as charged particles move, they create electrical impulses - considered “all-or-none phenomenon”…either happen completely or not at all ...
Anikeeva
... Electrode tip shape and surface functionalization produce intimate neuron-electrode interfase. ...
... Electrode tip shape and surface functionalization produce intimate neuron-electrode interfase. ...
Flash cards
... scans show brain anatomy. a layer of fatty tissue segmentally encasing the fibers of many neurons; enables vastly greater transmission speed of neural impulses as the impulse hops from one node to the next. ...
... scans show brain anatomy. a layer of fatty tissue segmentally encasing the fibers of many neurons; enables vastly greater transmission speed of neural impulses as the impulse hops from one node to the next. ...
neuro_pathology
... o Perifascicular atrophy of myofibers Polymyositis o Like above, without skin discoloration and cancers o Damage to muscle fibers by Cd8+ cytotoxic T cells, necrotic and regenerating fibers Inclusion Body Myositis o Unlike above, muscle involvement is asymmetric and involves distal muscles first (ex ...
... o Perifascicular atrophy of myofibers Polymyositis o Like above, without skin discoloration and cancers o Damage to muscle fibers by Cd8+ cytotoxic T cells, necrotic and regenerating fibers Inclusion Body Myositis o Unlike above, muscle involvement is asymmetric and involves distal muscles first (ex ...
Ch. 11: Machine Learning: Connectionist
... If the potential reaches a certain threshold, an electrical pulse, or action potential, will travel down the axon, eventually reaching all the branches, causing them to release their neurotransmitters. And so on ... ...
... If the potential reaches a certain threshold, an electrical pulse, or action potential, will travel down the axon, eventually reaching all the branches, causing them to release their neurotransmitters. And so on ... ...