Nervous System By Allison Merritt, Tyler Tunell. What is the Nervous System? Made of Neurons Controls body functions and processes Divided into CNS, and.

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Presentation transcript:

Nervous System By Allison Merritt, Tyler Tunell

What is the Nervous System? Made of Neurons Controls body functions and processes Divided into CNS, and PNS

Neurons A specialized cell in the nervous system Carries neural impulses through a complex system of neurons 3 types: Sensory, Motor, and Interneuron's

Neurons

Brain Structure/ Function Forebrain –5 main regions: Thalamus, Hypothalamus, Amygdala, Hippocampus, and Cerebral Cortex Hindbrain – 3 areas: Medulla, Cerebellum, and Pons Midbrain

Brain Structure/ Function Central Nervous System Peripheral Nervous System

Brain Structure/ Function

Anatomy and Function of Spinal Cord Link between PNS and brain White matter Gray matter Dorsal root Ventral root Reflexes Intervertabral Disk Disease

Anatomy and Function of Spinal Cord

Sensory Somatic and Autonomic Nervous System Somatic Autonomic Plexus Sympathetic Parasympathetic Drugs, and medications Receptors

Clinical Practice Aids in determining location of a defect in nervous system Tests: – Menace response – Pupillary light reflex – Classic reflex – Gag reflex – hearing

Anesthetics and diseases block sodium ions across membrane Extremely useful Surgical purposes Ataxia-uncontrollable movement Atrophy-muscles shrink Listeriosis-infection that affects the brain

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