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Nervous System Pathways Jeopardy review game Needed: 3 or 4 players 1 Scorekeeper 1 watcher
Pathways Jeopardy Motor pathways Sensory pathways Visceral pathways ANS more ANS
Upper motor neuron cell bodies are located here.
Answer: Precentral gyrus, also called primary motor cortex.
The effectors of somatic pathways are _________.
Answer: Skeletal muscles
True or False: Somatic motor fibers are located in spinal nerves and cranial nerves.
Which is not a motor pathway? vestibulospinal spinothalamic corticobulbar corticospinal
Which is not a motor pathway? vestibulospinal spinothalamic corticobulbar corticospinal Answer: spinothalamic
This motor tract is the motor component of a reflex that corrects the position of the head.
Answer: Vestibulospinal tract
This pathway conducts sensations of subconscious proprioception.
Answer: Spinocerebellar pathwway
The destination of somatic sensory tracts is ________.
Answer: Postcentral gyrus
Third order neuron cell bodies are in the ________.
True or False: Dorsal rami and ventral rami of spinal nerves both conduct somatic sensory impulses.
Conscious perception of somatic sensory impulses occurs here: _______.
Answer: Postcentral gyrus, also called primary sensory cortex
Visceral sensory pathways begin in receptors of the ________.
Answer: visceral organs / ventral cavity organs
The site of integration for visceral sensory pathways is the: __________.
Answer: Solitary nucleus
True or False: Visceral motor impulses are only conducted to organs in the ventral cavity.
True or False: Visceral motor impulses are only conducted to organs in the ventral cavity. Answer: false, they are also conducted to sweat glands, arrector pili, adipose tissue, and blood vessels.
Visceral motor neuron somas are located here: ____and here: ____.
Visceral motor neuron somas are located here: ____and here: _____. Answer: Lateral horn of spinal cord and some cranial nerve nuclei
True or False: Referred pain is perceived when a visceral sensory pathway stimulates a spinothalamic pathway.
Name the four autonomic effectors.
Answer: Smooth muscle, cardiac muscle, glands, adipose tissue
Intramural ganglia are located along some of the pathways of the _______ division of the ANS.
Sympathetic impulses to the body wall and limbs synapse in _________ ganglia.
Answer: sympathetic chain
True or false: Autonomic ganglionic fibers always secrete acetylcholine.
Answer: false, other neurotransmitters include NE and NO
Nicotinic Ach receptors are found at excitatory synapses in autonomic ________.
True or false: Dual innervation means an effector is innervated by both the somatic and autonomic nervous systems.
Answer: false, it means the effector is innervated by both ANS divisions. (SYM and PARA)
True or False: Sympathetic nerves innervate all sympathetic effectors.
Answer: False, they innervate thoracic cavity effectors; splanchnic nerves innervate abdominopelvic viscera, and spinal nerves innervate effectors in the body wall and limbs.
True or False: The suprarenal medullae are dually innervated and secrete NE and EPI in response to ANS activity.
Answer: False, they are only innervated by the sympathetic division.
The amount of COMT and MAO (the enzymes that breakdown NE) are in ____ concentrations in most tissues.
True or false: Alpha ( ) and beta ( ) receptors exert their effects on effectors by increasing membrane permeability to sodium.
Answer: False, via cAMP or activating intracellular enzymes.
ANS Review Game Needed: 3 or 4 players 1 Scorekeeper 1 watcher.
The Autonomic Nervous System BIO 137 Anatomy & Physiology.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 14 Autonomic Nervous System Nerve Cells of the Enteric.
Autonomic Nervous System Nestor T. Hilvano, M.D., M.P.H.
Central Nervous System Peripheral Nervous System (Brain and Spinal Cord) (Nerves and Ganglia)
Innervates smooth muscle, cardiac muscle and glands Helps to maintain homeostasis Also called the involuntary or visceral motor system THE AUTONOMIC NERVOUS.
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Autonomic Nervous System basic anatomy of ANS ANS vs PNS divisions of ANS sympathetic division anatomy & function ANS plexuses sympathetic response adrenal.
Somatic efferent innervation Visceral efferent innervation ACh ACh or NE Autonomic ganglion ACh = Acetylcholine NE = Norepinephrine.
Autonomic Nervous System. Objectives At the end of the lecture, the student should be able to: Describe the autonomic nervous system and its divisions.
The Autonomic Nervous System Chapter 17. Introduction Makes all routine adjustments in physiological systems. Consists of visceral motor (efferent) neurons.
The Peripheral Nervous System: Efferent Division Chapter 7.
The Autonomic Nervous System Regulate activity of smooth muscle, cardiac muscle & certain glands Structures involved –general visceral sensory neurons.
THE AUTONOMIC NERVOUS SYSTEM. INTRODUCTION ANS in the Structural Organization of the Nervous System.
Human Anatomy 5th ed Benjamin Cummings General Anatomy of the Autonomic Nervous System.
The Autonomic Nervous System. Overview Primary function - homeostasis –including both sensory and motor Control over smooth & cardiac muscle and glands.
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VISCERAL FUNCTION REGULATED BY NERVOUS SYSTEM Nervous system Ⅴ.
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Anatomy Jeopardy Tom Gest, PhD Division of Anatomical Sciences University of Michigan Medical School Autonomic Review with.
THE AUTONOMIC NERVOUS SYSTEM (ANS). What is the autonomic nervous system? The autonomic nervous system (ANS) is the motor division of the peripheral.
1 Autonomic Nervous System. 2 Lecture Overview Review/Questions from last lecture (Brain II/Cranial Nerves) Autonomic Nervous System, ANS (pp )
Peripheral Nervous System PNS Include the following – Sensory receptors and sensation – Transmission lines the Nerves cranial and spinal – Motor endings.
Cranial Nerves (know #, name & basic function) I Olfactory – smell II Optic – sight III Oculomotor – motor to eye muscles; ANS for accommodation of lens.
© 2013 Pearson Education, Inc. Chapter Opener 14.
11 Unit 1 Chapter Unit 1 Somatic systems- conscious awareness Autonomic sensory - not consciously perceived Monitors internal conditions- blood.
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Copyright 2010, John Wiley & Sons, Inc. Chapter 11 Autonomic Nervous System (ANS)
.The autonomic nervous system (ANS ) coordinates cardiovascular, respiratory, digestive, urinary and reproductive functions Preganglionic neurons in the.
AUTONOMIC NERVOUS SYSTEM The ANS is part of the efferent portion of the peripheral nervous system.
Copyright © 2008 Pearson Education, Inc., publishing as Benjamin Cummings C h a p t e r 17 The Nervous System: Autonomic Division PowerPoint ® Lecture.
Nervous System: IV Somatic Sensory Reflexes Neural Integration ANS.
20-1 Chapter 20 The Autonomic Nervous System Regulate activity of smooth muscle, cardiac muscle & certain glands Structures involved –general visceral.
Spinal Cord Enclosed within the vertebral column Contiguous with and extends from the medulla oblongata at the foramen magnum to 1 st lumbar vertebra.
Copyright © 2004 Pearson Education, Inc., publishing as Benjamin Cummings Fundamentals of Anatomy & Physiology SIXTH EDITION Frederic H. Martini PowerPoint.
POWERPOINT ® LECTURE SLIDE PRESENTATION by ZARA OAKES, MS, The University of Texas at Austin Additional text by J Padilla exclusively for Physiology 31.
PowerPoint ® Lecture Slides prepared by Leslie Hendon, University of Alabama, Birmingham HUMAN ANATOMY fifth edition MARIEB | MALLATT | WILHELM 15 Copyright.
INTRODUCTION TO THE AUTONOMIC NERVOUS SYSTEM STEVEN J. ZEHREN, PH.D.
Exam #2 on Thursday Bring scantron. Same format. exam #2 covers chapters exam #2 does NOT cover ANS.
1 handout today Exam #2 on Thursday Bring scantron. Same format. You can pick up assignment #1 and written part of exam #1 outside my office in H510 –
Nervous System. Classification Based on General Functions Nervous System Somatic Nervous System Autonomic Nervous System SympatheticParasympathetic.
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PARASYMPATHATIC NERVOUS SYSTEM Dr IramTassaduq 3 ANS is the subdivision of the peripheral nervous system that regulates body activities that are generally.
PNS Efferent Division Somatic & Autonomic. PNS Efferent Division Somatic & Autonomic.
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