The Nervous System - Appoquinimink High School
... » 2. Dendrites: The part that receives the signal from sensory neurons or other neurons. » 3. Axon: The part that conducts the nerve impulse (The highway it travels down) » 4. Myelin sheath: protects the axon » 5. Nodes of Ranvier: The gap where there is no sheath protecting it. » 6. Axon Terminal: ...
... » 2. Dendrites: The part that receives the signal from sensory neurons or other neurons. » 3. Axon: The part that conducts the nerve impulse (The highway it travels down) » 4. Myelin sheath: protects the axon » 5. Nodes of Ranvier: The gap where there is no sheath protecting it. » 6. Axon Terminal: ...
Chapter 9
... damage long and short-term growth processes. • Frontal lobe development and the refinement of pathways and connections continue until age 16, and a high rate of energy is used as the brain matures until age 20. • Damage from alcohol at this time can be long-term and irreversible. ...
... damage long and short-term growth processes. • Frontal lobe development and the refinement of pathways and connections continue until age 16, and a high rate of energy is used as the brain matures until age 20. • Damage from alcohol at this time can be long-term and irreversible. ...
THERE IS A COMPUTER-LIKE SYSTEM IN OUR BODY
... AXONS ARE SINGLE NERVE FIBERS THAT CARRY IMPULSES AWAY FROM THE CELL BODY OFTEN TO ...
... AXONS ARE SINGLE NERVE FIBERS THAT CARRY IMPULSES AWAY FROM THE CELL BODY OFTEN TO ...
CENTRAL NERVOUS SYSTEM Sensory Pathway (PNS
... somatic motor neurons visceral motor neurons Autonomic Nervous System (ANS) • Sympathetic • Parasympathetic They both control the same effectors (with few exceptions) but have opposite responses in the effectors ...
... somatic motor neurons visceral motor neurons Autonomic Nervous System (ANS) • Sympathetic • Parasympathetic They both control the same effectors (with few exceptions) but have opposite responses in the effectors ...
The Nervous System - Valhalla High School
... The basic unit of the nervous system is the nerve cell, or neuron. Nerve cells are used to transmit information from sensory organs, to the central nervous system and to the appropriate muscles or organs. Neurons are generally bundled together with other neurons to form nerves. Nerves can consist of ...
... The basic unit of the nervous system is the nerve cell, or neuron. Nerve cells are used to transmit information from sensory organs, to the central nervous system and to the appropriate muscles or organs. Neurons are generally bundled together with other neurons to form nerves. Nerves can consist of ...
The big picture:
... • Sensors: means by which the NS translates info about the internal and external environment into a form that is usable by the brain • Effectors: means by which the body responds to changing internal and external conditions ...
... • Sensors: means by which the NS translates info about the internal and external environment into a form that is usable by the brain • Effectors: means by which the body responds to changing internal and external conditions ...
Sensory Physiology
... carries impulses from skin, skeletal muscles and joints Visceral afferent fibers – carries impulses from organs within ventral body cavities Special sense afferent fibers – eyes, ears, taste, smell ...
... carries impulses from skin, skeletal muscles and joints Visceral afferent fibers – carries impulses from organs within ventral body cavities Special sense afferent fibers – eyes, ears, taste, smell ...
Sensory Physiology
... carries impulses from skin, skeletal muscles and joints Visceral afferent fibers – carries impulses from organs within ventral body cavities Special sense afferent fibers – eyes, ears, taste, smell ...
... carries impulses from skin, skeletal muscles and joints Visceral afferent fibers – carries impulses from organs within ventral body cavities Special sense afferent fibers – eyes, ears, taste, smell ...
Chapter 9
... Stimulation of a membrane can locally affect its__________________. When the membrane potential becomes_____________, the membrane is depolarized. If sufficiently strong depolarization occurs, a threshold potential is ...
... Stimulation of a membrane can locally affect its__________________. When the membrane potential becomes_____________, the membrane is depolarized. If sufficiently strong depolarization occurs, a threshold potential is ...
Laboratory Exercise 10: Anatomy and Physiology of the Spinal Cord
... (anterior) surfaces of the spinal cord going to the thalamus of brain. The lateral part of the tract conducts impulses to the opposite sides of the thalamus for pain, and temperature. The ventral part of the tract conducts impulses to the opposite side of the thalamus for coarse touch, and pressure. ...
... (anterior) surfaces of the spinal cord going to the thalamus of brain. The lateral part of the tract conducts impulses to the opposite sides of the thalamus for pain, and temperature. The ventral part of the tract conducts impulses to the opposite side of the thalamus for coarse touch, and pressure. ...
Chapter Outline
... c. A vast increase in number of neurons accompanied evolution of the vertebrate nervous system; an insect may have one million neurons while vertebrates may contain a thousand to a billion times more. C. The Mammalian Nervous System 1. Mammal forebrains are larger than other vertebrates because the ...
... c. A vast increase in number of neurons accompanied evolution of the vertebrate nervous system; an insect may have one million neurons while vertebrates may contain a thousand to a billion times more. C. The Mammalian Nervous System 1. Mammal forebrains are larger than other vertebrates because the ...
GLOSSOPHARYNGEAL NERVE
... • Arising from the nucleus ambiguus in the medulla and from upper cervical segments. • It supplies two muscles: the sternocleidomastoi d and the trapezius ...
... • Arising from the nucleus ambiguus in the medulla and from upper cervical segments. • It supplies two muscles: the sternocleidomastoi d and the trapezius ...
Chapter 10
... Generator potential – = graded potentials whose amplitude is proportional to the strength of the stimulus I.E. stronger stimulus, stronger generator potential If generator potential reaches threshold, it initiates an action potential that travels along the sensory neuron to the CNS ...
... Generator potential – = graded potentials whose amplitude is proportional to the strength of the stimulus I.E. stronger stimulus, stronger generator potential If generator potential reaches threshold, it initiates an action potential that travels along the sensory neuron to the CNS ...
Brain
... 31 pairs of spinal nerves arise from cervical, thoracic, lumbar and sacral regions of the cord ...
... 31 pairs of spinal nerves arise from cervical, thoracic, lumbar and sacral regions of the cord ...
action potential presen - Westgate Mennonite Collegiate
... Multiple cells provide input Input is received in different areas Input is summated to create a larger potential ...
... Multiple cells provide input Input is received in different areas Input is summated to create a larger potential ...
chapter32_part2shorter
... • The spinal cord also has a role in some simple reflexes, automatic responses that occur without conscious thought or learning. Signals from sensory neurons enter the cord through the dorsal root of spinal nerves. Commands for responses go out along the ventral root of these nerves. ...
... • The spinal cord also has a role in some simple reflexes, automatic responses that occur without conscious thought or learning. Signals from sensory neurons enter the cord through the dorsal root of spinal nerves. Commands for responses go out along the ventral root of these nerves. ...
Box 9.1 The Basics of Sound (Part 1)
... • Auditory object is the fundamental perceptual unit in hearing • Similar to visual objects although made up of spectrotemporal regularities • Auditory scene contains numerous acoustic stimuli ...
... • Auditory object is the fundamental perceptual unit in hearing • Similar to visual objects although made up of spectrotemporal regularities • Auditory scene contains numerous acoustic stimuli ...
Vestibular senses
... - Don’t need to know all the connections in medulla and pons (trapezoid body, superior olivary complex, etc), but remember that most information cross to the other side of the brain at this level. Why is this important (hint: sound localization and sound intensity). - Know that inputs from medulla a ...
... - Don’t need to know all the connections in medulla and pons (trapezoid body, superior olivary complex, etc), but remember that most information cross to the other side of the brain at this level. Why is this important (hint: sound localization and sound intensity). - Know that inputs from medulla a ...
Brain - The Anatomy Academy
... Motor - facial expressions; salivary glands and tear, nasal and palatine glands Sensory - taste on anterior 2/3’s of tongue Damage produces sagging facial muscles and disturbed sense of taste (no sweet and salty) ...
... Motor - facial expressions; salivary glands and tear, nasal and palatine glands Sensory - taste on anterior 2/3’s of tongue Damage produces sagging facial muscles and disturbed sense of taste (no sweet and salty) ...
CHAPTER 4: Physical, Motor, and Sensory Development
... toddlers. It focuses on how to make young children feel good about themselves and how to tell whether they have special needs. It is useful to see what sites focusing on parents are highlighting. http://www.pbs.org/wholechild ...
... toddlers. It focuses on how to make young children feel good about themselves and how to tell whether they have special needs. It is useful to see what sites focusing on parents are highlighting. http://www.pbs.org/wholechild ...
Chapter Two Line Title Here and Chapter Title Here and Here
... B. Receptors may be classified according to the type of stimulus (p. 484): 1. Mechanoreceptors are stimulated by mechanical force, such as touch, pressure, vibration, and stretch. 2. Thermoreceptors respond to changes in temperature. 3. Photoreceptors detect light. 4. Chemoreceptors are stimulated b ...
... B. Receptors may be classified according to the type of stimulus (p. 484): 1. Mechanoreceptors are stimulated by mechanical force, such as touch, pressure, vibration, and stretch. 2. Thermoreceptors respond to changes in temperature. 3. Photoreceptors detect light. 4. Chemoreceptors are stimulated b ...
The Nervous System - Catherine Huff`s Site
... • Afferent nerves - conduct impulses TOWARD CNS • Also called sensory nerves - conduct sensations from sensory receptors in skin and other locations to CNS • Efferent nerves - conduct impulses AWAY from CNS • Also called motor nerves - cause skeletal muscle contraction/movement • Some nerve fibers a ...
... • Afferent nerves - conduct impulses TOWARD CNS • Also called sensory nerves - conduct sensations from sensory receptors in skin and other locations to CNS • Efferent nerves - conduct impulses AWAY from CNS • Also called motor nerves - cause skeletal muscle contraction/movement • Some nerve fibers a ...
The Nervous System
... • Afferent nerves - conduct impulses TOWARD CNS • Also called sensory nerves - conduct sensations from sensory receptors in skin and other locations to CNS • Efferent nerves - conduct impulses AWAY from CNS • Also called motor nerves - cause skeletal muscle contraction/movement • Some nerve fibers a ...
... • Afferent nerves - conduct impulses TOWARD CNS • Also called sensory nerves - conduct sensations from sensory receptors in skin and other locations to CNS • Efferent nerves - conduct impulses AWAY from CNS • Also called motor nerves - cause skeletal muscle contraction/movement • Some nerve fibers a ...
Mader/Biology, 11/e – Chapter Outline
... c. A vast increase in number of neurons accompanied evolution of the vertebrate nervous system; an insect may have one million neurons while vertebrates may contain a thousand to a billion times more. The Mammalian Nervous System 1. Mammal forebrains are larger than other vertebrates because the for ...
... c. A vast increase in number of neurons accompanied evolution of the vertebrate nervous system; an insect may have one million neurons while vertebrates may contain a thousand to a billion times more. The Mammalian Nervous System 1. Mammal forebrains are larger than other vertebrates because the for ...
RFC_Cp_C_Wyart_def_EUK-v
... generate electrical oscillations. In order to understand the functioning and modulation of the spinal locomotor network, Claire Wyart’s team studies motor activity in the zebrafish. This transparent vertebrate species is particularly suited to optogenetics, an innovative technology that allows stimu ...
... generate electrical oscillations. In order to understand the functioning and modulation of the spinal locomotor network, Claire Wyart’s team studies motor activity in the zebrafish. This transparent vertebrate species is particularly suited to optogenetics, an innovative technology that allows stimu ...