Nervous System Notes File
... 1. Caused by injury to the upper part of the spinal cord 2. Causes paralysis of both upper and lower limbs iv. Paraplegia 1. Caused by injury that occurs at the lower part of the spinal cord 2. Causes paralysis of both lower limbs Degenerative Diseases – diseases that cause cells and tissues to dete ...
... 1. Caused by injury to the upper part of the spinal cord 2. Causes paralysis of both upper and lower limbs iv. Paraplegia 1. Caused by injury that occurs at the lower part of the spinal cord 2. Causes paralysis of both lower limbs Degenerative Diseases – diseases that cause cells and tissues to dete ...
The Nervous System
... Kinds of Neurons Sensory Neurons (a.k.a. Afferent Neurons) carry incoming information from the sense receptors to the CNS. Motor Neurons (a.k.a. Efferent Neurons) carry outgoing information from the CNS to muscles and glands. Interneurons connect the two neurons (between). ...
... Kinds of Neurons Sensory Neurons (a.k.a. Afferent Neurons) carry incoming information from the sense receptors to the CNS. Motor Neurons (a.k.a. Efferent Neurons) carry outgoing information from the CNS to muscles and glands. Interneurons connect the two neurons (between). ...
Nervous Tissue
... – In the spinal cord = gray matter forms an H-shaped inner core surrounded by white matter – In the brain = a thin outer shell of gray matter covers the surface & is found in clusters called nuclei inside the CNS ...
... – In the spinal cord = gray matter forms an H-shaped inner core surrounded by white matter – In the brain = a thin outer shell of gray matter covers the surface & is found in clusters called nuclei inside the CNS ...
nerve slide show
... • 1. A tract is a bundle of nerve fibers in the CNS while a nerve is a bundle of nerve fibers in the PNS. • 2. A ganglion is a cluster of nerve cell bodies in the PNS while clusters of cell bodies in the CNS are nuclei. • 3. Dendrites conduct nerve impulses toward the cell body ...
... • 1. A tract is a bundle of nerve fibers in the CNS while a nerve is a bundle of nerve fibers in the PNS. • 2. A ganglion is a cluster of nerve cell bodies in the PNS while clusters of cell bodies in the CNS are nuclei. • 3. Dendrites conduct nerve impulses toward the cell body ...
Nervous system Sense cells and organs
... Biology by Campbell & Reece, chap 48.1 Invertebrate zoology by Barnes, Ruppert and Fox, part of the introduction chapters+ text to figures ...
... Biology by Campbell & Reece, chap 48.1 Invertebrate zoology by Barnes, Ruppert and Fox, part of the introduction chapters+ text to figures ...
Nervous tissue
... most abundant glial cells - form framework of CNS contribute to BBB and regulate composition of brain tissue fluid convert glucose to lactate to feed neurons secrete nerve growth factor promoting synapse formation electrical influence on synaptic signaling sclerosis – damaged neurons replace by hard ...
... most abundant glial cells - form framework of CNS contribute to BBB and regulate composition of brain tissue fluid convert glucose to lactate to feed neurons secrete nerve growth factor promoting synapse formation electrical influence on synaptic signaling sclerosis – damaged neurons replace by hard ...
Intro Chap 2n.ppt
... Each Neuron consists of 3 structural parts 1. Soma or cell body 2. Axon 3. Dendrites Some axons are coated with myelin (for speed), and some may also be coated with neurilemma (allows for healing). 90% of nervous system cells are Glial Cells These provide structural support, nutrition, fuel, insulat ...
... Each Neuron consists of 3 structural parts 1. Soma or cell body 2. Axon 3. Dendrites Some axons are coated with myelin (for speed), and some may also be coated with neurilemma (allows for healing). 90% of nervous system cells are Glial Cells These provide structural support, nutrition, fuel, insulat ...
Organization of the Nervous system. Physiology of neurons and glial
... sensory, motor, interneurones/association neurons non-neuronal/neuroglial cells: astrocytes, microglia, oligodendocytes / Schwann cells, ependymal cells ...
... sensory, motor, interneurones/association neurons non-neuronal/neuroglial cells: astrocytes, microglia, oligodendocytes / Schwann cells, ependymal cells ...
Nervous System Lect/96
... b) Unmyelinated axons lie in grooves or furrows formed by Schwann cells--however no myelin sheath is formed. These axons are generally 1 m in diameter or smaller. As is the case for myelinated axons, many Schwann cells aligned end-to-end surround these axons along their entire length. Unmyelinated ...
... b) Unmyelinated axons lie in grooves or furrows formed by Schwann cells--however no myelin sheath is formed. These axons are generally 1 m in diameter or smaller. As is the case for myelinated axons, many Schwann cells aligned end-to-end surround these axons along their entire length. Unmyelinated ...
CHAPTER 7 Nervous system Notes
... * Oligodendrocytes: helps hold fibers together, produce the fatty myelin sheath that envelops nerve fibers in the brain and spinal cord ...
... * Oligodendrocytes: helps hold fibers together, produce the fatty myelin sheath that envelops nerve fibers in the brain and spinal cord ...
Physiology of hearing. Vestibular analyzer
... gelatinous mass known as cupula. Hair cells have two kinds of cilia – kinocilium and stereocilia. • Kinocilium is large cilium located at one end of hair cell. Stereocilia are small. When stereocilia are bent towards kinocilium, hair cell is depolarized, i.e. stimulated. ...
... gelatinous mass known as cupula. Hair cells have two kinds of cilia – kinocilium and stereocilia. • Kinocilium is large cilium located at one end of hair cell. Stereocilia are small. When stereocilia are bent towards kinocilium, hair cell is depolarized, i.e. stimulated. ...
Autonomic nervous system
... The longer they run, the more tired they get, of course; but at some point, the runners will “push through the wall” and “get their second wind.” ...
... The longer they run, the more tired they get, of course; but at some point, the runners will “push through the wall” and “get their second wind.” ...
Nervous System - Lemon Bay High School
... 3 overlapping functions • SENSORY INPUT - Monitor changes inside and outside of the body; these changes are called STIMULI. • INTEGRATION - Processes and interprets changing stimuli to decide. • MOTOR OUTPUT - Effects a response via activating effectors (muscles or glands). ...
... 3 overlapping functions • SENSORY INPUT - Monitor changes inside and outside of the body; these changes are called STIMULI. • INTEGRATION - Processes and interprets changing stimuli to decide. • MOTOR OUTPUT - Effects a response via activating effectors (muscles or glands). ...
The Discovery of the Neuron By Mo Costandi from the History of
... confirmed also that those more or less intimate contacts are always established, not between the nerve arborizations alone, but between these ramifications on the one hand, and the body and protoplasmic processes on the other. It was only during the last decade of the nineteenth century that the te ...
... confirmed also that those more or less intimate contacts are always established, not between the nerve arborizations alone, but between these ramifications on the one hand, and the body and protoplasmic processes on the other. It was only during the last decade of the nineteenth century that the te ...
The Nervous System
... Concussion – bruising of the brain causing 3 or more problems in the brain (headache, impaired vision, ringing in the ear, etc) Contusion – bruising of the brain causing a lump (not as serious as a concussion, but may lead to one. Severed spinal cord – could cause the loss of bodily movement ...
... Concussion – bruising of the brain causing 3 or more problems in the brain (headache, impaired vision, ringing in the ear, etc) Contusion – bruising of the brain causing a lump (not as serious as a concussion, but may lead to one. Severed spinal cord – could cause the loss of bodily movement ...
The Nervous System - Canton Local Schools
... Neuron: a nerve cell. The basic building block of the nervous system Dendrite: The bushy, branching extensions of a neuron that receive messages and conduct impulses toward cell body Axon: the extension of a neuron, ending in branching terminal fibers. Used to pass messages to other neurons or musc ...
... Neuron: a nerve cell. The basic building block of the nervous system Dendrite: The bushy, branching extensions of a neuron that receive messages and conduct impulses toward cell body Axon: the extension of a neuron, ending in branching terminal fibers. Used to pass messages to other neurons or musc ...
1 Name: Period: _____ Laboratory Exercise and Activity: Nervous
... process then the dendrites than extends from the axon hillock. When changes in membrane potential travel to the axon hillock region they are integrated to determine if an action potential will be initiated in the axon. The first part of the axon is known as the trigger area (initial segment), where ...
... process then the dendrites than extends from the axon hillock. When changes in membrane potential travel to the axon hillock region they are integrated to determine if an action potential will be initiated in the axon. The first part of the axon is known as the trigger area (initial segment), where ...
NERVOUS SYSTEM
... • Made up of nerves that lie outside the CNS • cell bodies (called ganglia) found outside the CNS ...
... • Made up of nerves that lie outside the CNS • cell bodies (called ganglia) found outside the CNS ...
nervousmedterm
... contractions in response to a stimulus. Babinski’s reflex is a reflex on the plantar surface of the foot. Patellar (Knee) reflexes are usually tested for responsiveness. Cerebrospinal fluid can also be withdrawn and tested for the presence of various substances that signal certain diseases. ...
... contractions in response to a stimulus. Babinski’s reflex is a reflex on the plantar surface of the foot. Patellar (Knee) reflexes are usually tested for responsiveness. Cerebrospinal fluid can also be withdrawn and tested for the presence of various substances that signal certain diseases. ...
Unit 8 Nervous System
... Input travels along several pathways Important in higher-level mental functioning Ex. Smell reminds you of an odor and associated experience ...
... Input travels along several pathways Important in higher-level mental functioning Ex. Smell reminds you of an odor and associated experience ...
1 - Pass the FracP
... Initiated by supraspinatus (supplied by suprascapular nerve, which arises from the upper trunk of the brachial plexus), maintained by deltoid EXTERNAL ROTATION: Infraspinatus (supplied by suprascapular nerve) and teres minor The guy would have had to have a neck injury to affect just C5 The long tho ...
... Initiated by supraspinatus (supplied by suprascapular nerve, which arises from the upper trunk of the brachial plexus), maintained by deltoid EXTERNAL ROTATION: Infraspinatus (supplied by suprascapular nerve) and teres minor The guy would have had to have a neck injury to affect just C5 The long tho ...
Synapse
... Interferes with homeostasis (temp.) Feel depressed until body makes enough of its own serotonin to feel ‘normal’ again Destroys serotonin neurons axons and terminals After exposure to MDMA for 4 days, it takes more than 7 years for your brain to recover. ...
... Interferes with homeostasis (temp.) Feel depressed until body makes enough of its own serotonin to feel ‘normal’ again Destroys serotonin neurons axons and terminals After exposure to MDMA for 4 days, it takes more than 7 years for your brain to recover. ...
Nervous System Notes File
... A wave of action potentials is occurring throughout the membrane of a neuron. *This is an ALL-OR-NONE response* ...
... A wave of action potentials is occurring throughout the membrane of a neuron. *This is an ALL-OR-NONE response* ...