Neuroanatomy - UCSD Cognitive Science
... • Four types in CNS – Astrocytes (maintenance/support) – Oligodendrocytes (myelin)* – Microglia (macrophages) – Ependymal (line ventricles) *Schwann cell is the major glial cell in PNS ...
... • Four types in CNS – Astrocytes (maintenance/support) – Oligodendrocytes (myelin)* – Microglia (macrophages) – Ependymal (line ventricles) *Schwann cell is the major glial cell in PNS ...
Nervous System
... The Nerves Nerves consist of neural “cables” containing many axons. They are part of the peripheral nervous system and connect muscles, glands, and sense organs to the central nervous system. ...
... The Nerves Nerves consist of neural “cables” containing many axons. They are part of the peripheral nervous system and connect muscles, glands, and sense organs to the central nervous system. ...
The Peripheral Nervous System
... Sympathetic and Parasympathetic Divisions Sympathetic and Parasympathetic have separate pathways Effectors may have dual innervation, that is they have input from both types of pathways Parasympathetic – “rest-and-repair” Sympathetic – “fight-or-flight” ...
... Sympathetic and Parasympathetic Divisions Sympathetic and Parasympathetic have separate pathways Effectors may have dual innervation, that is they have input from both types of pathways Parasympathetic – “rest-and-repair” Sympathetic – “fight-or-flight” ...
Lecture_31_2014_noquiz
... The sciatic nerve is this huge nerve that leaves your lower back (and spinal cord) and runs the length of your leg. There are many different types of neurons. Some are myelinated, some are not. Smaller nerves branch off of the sciatic nerve. The sciatic nerve responsible for innervating muscles, ski ...
... The sciatic nerve is this huge nerve that leaves your lower back (and spinal cord) and runs the length of your leg. There are many different types of neurons. Some are myelinated, some are not. Smaller nerves branch off of the sciatic nerve. The sciatic nerve responsible for innervating muscles, ski ...
Nervous System
... An inhibitory neurotransmitter hyperpolarizes the membrane of the post-synaptic neuron, making the inside more negative & generation of nerve impulse more difficult. So a hyperpolarizing PSP is inhibitory and is termed IPSP. ...
... An inhibitory neurotransmitter hyperpolarizes the membrane of the post-synaptic neuron, making the inside more negative & generation of nerve impulse more difficult. So a hyperpolarizing PSP is inhibitory and is termed IPSP. ...
Ch 48: Nervous System – part 1
... neurotransmitters are quickly broken down by enzymes so that the stimulus ends **see diagram on last page of notes! the electrical charge caused by the binding of neurotransmitter to the receptor can be: EPSP (Excitatory Postsynaptic Potential): membrane potential is moved closer to threshold ( ...
... neurotransmitters are quickly broken down by enzymes so that the stimulus ends **see diagram on last page of notes! the electrical charge caused by the binding of neurotransmitter to the receptor can be: EPSP (Excitatory Postsynaptic Potential): membrane potential is moved closer to threshold ( ...
GENERAL CONCEPTS OF NERVOUS SYSTEM
... 2 Big Initial Divisions: – Central Nervous System: • The brain + the spinal cord. – The center of integration and control. – Peripheral Nervous System: ...
... 2 Big Initial Divisions: – Central Nervous System: • The brain + the spinal cord. – The center of integration and control. – Peripheral Nervous System: ...
The Neuron
... Although neurons are typically defined as nerve cells, they are not actually the only cells in the nervous system. In fact, they are supported by a large number of other cells apply named supporting cells. While the neurons are important for carrying the neural message, the supporting cells are impo ...
... Although neurons are typically defined as nerve cells, they are not actually the only cells in the nervous system. In fact, they are supported by a large number of other cells apply named supporting cells. While the neurons are important for carrying the neural message, the supporting cells are impo ...
BASICS OF NEUROBIOLOGY Zsolt Liposits and Imre Kalló 2016
... and send motor commands to well defined portions (segments, the existence of which is not obvious in humans) of the human body. The third lecture demonstrates the location of spinal cord neurons, which send information to peripheral targets, form local connections or establish ascending pathways to ...
... and send motor commands to well defined portions (segments, the existence of which is not obvious in humans) of the human body. The third lecture demonstrates the location of spinal cord neurons, which send information to peripheral targets, form local connections or establish ascending pathways to ...
Mind, Brain & Behavior
... Axons stick together due to fasciculation – expression of cell adhesion molecules (CAM). Chemical markers in the axon and the targets guide axon growth. Diffusable molecules called netrins also attract axons. Absence of laminin at target may retard further growth. ...
... Axons stick together due to fasciculation – expression of cell adhesion molecules (CAM). Chemical markers in the axon and the targets guide axon growth. Diffusable molecules called netrins also attract axons. Absence of laminin at target may retard further growth. ...
03. Neurons and Nerves
... are many kinds of neurons. They differ in size, structure and function. ...
... are many kinds of neurons. They differ in size, structure and function. ...
The building blocks of matter (elements and molecules) form the
... Muscular system - The muscular system enables animals to move and control movement. The muscular system consists of skeletal muscles which help move the skeleton and control movement, smooth muscles which are involuntary and control the stomach and intestine, and cardiac muscles which include the he ...
... Muscular system - The muscular system enables animals to move and control movement. The muscular system consists of skeletal muscles which help move the skeleton and control movement, smooth muscles which are involuntary and control the stomach and intestine, and cardiac muscles which include the he ...
Peripheral Nervous System
... – Numbered according to the portion of the vertebral column at which they exit ...
... – Numbered according to the portion of the vertebral column at which they exit ...
Burners and Stingers
... named for the "stinging" or "burning" pain that radiates (spreads) from the shoulder to the hand. This can feel like an electric shot or "lightning bolt" down the arm and can be accompanied by a warm or tingling sensation. Anatomy Nerve roots exit the spinal canal of the neck and come together to fo ...
... named for the "stinging" or "burning" pain that radiates (spreads) from the shoulder to the hand. This can feel like an electric shot or "lightning bolt" down the arm and can be accompanied by a warm or tingling sensation. Anatomy Nerve roots exit the spinal canal of the neck and come together to fo ...
Brain Development Lecture
... NGF (nerve growth factor) injections increase number of neurons Fig. 23.17 BNDF (brain derived neurotrophic factor) and NT (neurotrophins) also promote growth 12.Once the synapse is formed, it is strengthened by activity deprivation of stimulus leads to retraction of axon (PRUNING) deprivati ...
... NGF (nerve growth factor) injections increase number of neurons Fig. 23.17 BNDF (brain derived neurotrophic factor) and NT (neurotrophins) also promote growth 12.Once the synapse is formed, it is strengthened by activity deprivation of stimulus leads to retraction of axon (PRUNING) deprivati ...
General histology of nervous system
... Aid in cleaning up the PNS debris Guide the regrowth of PNS axons. ...
... Aid in cleaning up the PNS debris Guide the regrowth of PNS axons. ...
Neuron Notes Neuron- Cells that carry messages throughout the
... 1. cell body: largest part, contains nucleus and most of cytoplasm – most metabolic activity of cell occurs here 2. dendrites: spread out from cell body; short, branched extensions; carry impulses toward the cell body 3. axons: (transmit/send signals) long fiber that carries impulses away from cell ...
... 1. cell body: largest part, contains nucleus and most of cytoplasm – most metabolic activity of cell occurs here 2. dendrites: spread out from cell body; short, branched extensions; carry impulses toward the cell body 3. axons: (transmit/send signals) long fiber that carries impulses away from cell ...
Note 11
... - Hormones are produced by ductless gland (known as endocrine gland) and secreted into the blood capillary (its secretion will increase when there is a specific stimulation) - Blood carries the hormones around the body - Specific target organ(s) take(s) up the specific hormones, other organs are NOT ...
... - Hormones are produced by ductless gland (known as endocrine gland) and secreted into the blood capillary (its secretion will increase when there is a specific stimulation) - Blood carries the hormones around the body - Specific target organ(s) take(s) up the specific hormones, other organs are NOT ...
1. auriculopalpebral nerve block in cattle
... Anatomy: The eyelids are innervated by the auriculopalpebral nerve. The nerve is a motor branch of the facial nerve supplying to the orbicularis occuli muscle of the eye lid and therefore, the block produces akinesia only. The nerve runs from the base of the ear along the facial crest, past and vent ...
... Anatomy: The eyelids are innervated by the auriculopalpebral nerve. The nerve is a motor branch of the facial nerve supplying to the orbicularis occuli muscle of the eye lid and therefore, the block produces akinesia only. The nerve runs from the base of the ear along the facial crest, past and vent ...
Organization and Development of the Nervous System
... In PNS, there are mechanisms for creating collagen around the injury to act as a “bridge” for axons to grow along. ...
... In PNS, there are mechanisms for creating collagen around the injury to act as a “bridge” for axons to grow along. ...
Ch. 35.2
... impulses from the environment or other neurons TOWARD the cell body Long fibers AXON carry impulses AWAY from the cell body Neurons may have many dendrites by only one axon Form NERVES when axons and dendrites are clustered together ...
... impulses from the environment or other neurons TOWARD the cell body Long fibers AXON carry impulses AWAY from the cell body Neurons may have many dendrites by only one axon Form NERVES when axons and dendrites are clustered together ...