'Axon hillock' diaporamas de présentation

PHYSIOLOGY

PHYSIOLOGY. Nervous System. Types of Neurons. Afferent Sensory Efferent Motor Interneurons also known as association neurons Between neuron.

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Nervous System

Nervous System. CH48. Evolution of the Nervous System. All animals except sponges have some type of nervous system Cnidarians radial symmetry simplest animals with nervous system Neurons controlling contraction and expansion of gastrovascular cavity arranged in diffuse nerve nets.

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Nervous System

Nervous System. Chapter 7. I. Overview. Three overlapping functions Monitor changes inside and outside of the body (sensory input) Processes sensory input and makes decisions about what to do (integration) Then effects a response called a motor output

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Honors Anatomy & Physiology

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Nervous Tissue

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The Neuron

The Neuron. Dendrites. Cell body (perikaryon, soma). Axon. Support cells (neuroglia). - more abundant than neurons. - more mitotic capability. Axon hillock. Gaps between Schwann cells called nodes of Ranvier. axolemma. Myelinated axons: sheath of Schwann and myelin sheath.

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Histology of the Peripheral Nervous System

Histology of the Peripheral Nervous System. J. Matthew Velkey , Ph.D . matt.velkey@duke.edu 452A Davison, Duke South. special senses. Structural Organization of the Nervous System. inputs. outputs. Cardiac & smooth muscle & glands. Motor nerve. Skeletal muscle.

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Cognitive Neuroscience

Cognitive Neuroscience. What are we doing with our brains right now?. Feeling your chair Squirming (moving) Watching Listening Remembering Paying attention Sleeping Feeling anxious Feeling hungry What happens when you ask a question?. The Brain. Approx 3lbs 1 trillion cells

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NERVE TISSUE

NERVE TISSUE. STRUCTURALLY NERVOUS TISSUE IS OF TWO TYPES. nerve cells, or neurons, which usually show numerous long processes are responsible for the reception, transmission, processing of stimuli; the triggering of certain cell activities;

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Nerve Signals : Action Potentials

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Nervous Tissue

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Nervous System 1. Central Nervous System 2. Peripheral Nervous System

Nervous System 1. Central Nervous System 2. Peripheral Nervous System 1. Somatic 2. Autonomic 1. Brain 2. Spinal Cord. FUNCTIONALLY. 1. 5 parts 1 BRAIN 2 SPINAL CORD 3. AUTNMIC .NERVOUS.SYSTEM.

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CEREBELLUM

CEREBELLUM. Gross Morphology. Tentorium cerebelli Falx cerebelli. Anatomical Plan I. Left and right hemispheres: Anterior and posterior lobe: Subconscious movements of skeletal muscles Flocculonodular nodes: Concerned with equilibrium Vermis. Anatomical Divisions.

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Nervous System

Nervous System. The master _________________________________ system of the body Functions monitoring stimuli Integration ________________________ output response to stimuli. Organization of the Nervous System. Central nervous system (CNS) Integration and command center

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reductionism

reductionism. holism. Ch. 48: Nervous Systems: (from molecules to mind?). Animal survival and reproduction depends on rapid & flexible responses to changes in the environment. A diversity of nervous systems

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THE NEURAL TISSUE MARTINI, ANATOMY & PHYSIOLOGY, 9 TH EDITION, CHAPTER # 12 LAB MANUAL, Exercise # 18 Page # 2

THE NEURAL TISSUE MARTINI, ANATOMY & PHYSIOLOGY, 9 TH EDITION, CHAPTER # 12 LAB MANUAL, Exercise # 18 Page # 225. NOTE:. THIS IS A STUDY GUIDE , NOT AN ALL INCLUSIVE REVIEW. THERE MIGHT BE THINGS NOT COVERED BY THIS STUDY GUIDE THAT MIGHT BE ASKED IN YOUR PRACTICUMS /

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Neural Conduction and Synaptic Transmission

Neural Conduction and Synaptic Transmission. Neural Conduction: Action Potential. I. Stages of Neuronal Depolarization : Neuron is at rest (-70mV) - this is a transient state due to concentration gradient, electrostatic pressure, & Na/K+ pump

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Nervous Tissue

Nervous Tissue. Nervous tissue is divided anatomically into the central nervous system (CNS), which includes the brain and spinal cord, and the peripheral nervous system (PNS), which includes the nerves outside the CNS and their associated ganglia.

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Neurological Control of Movement

Neurological Control of Movement. The Structure and Function of the Nervous System. The Neuron. The Cell Body (nucleus) The Dendrites the receivers The Axon the transmitter contains the axon terminals

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