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SI Peripheral NS

Southeastern Institute A&P 10. Peripheral Nervous System

Cranial Nerve I Olfactory, Sensory
Cranial Nerve II Optic, Vision
Cranial Nerve III Oculomotor, Eye Movement
Cranial Nerve IV Trochlear, Eye Movement
Cranial Nerve V Trigeminal, Face, Scalp & Teeth
Cranial Nerve VI Abducens, Eye Movemtent
Cranial Nerve VII Facial, Taste, Face Muscles, Saliva & Tears
Cranial Nerve VIII Vestibulocochlear, Hearing & Balance
Cranial Nerve IX Glossopharangeal, Taste & Gag Reflex
Cranial Nerve X Vagus
Cranial Nerve XI Accessory, Traps, SCM, Shoulder elevation
Cranial Nerve XII Hypoglossal, Tongue movement
There are how many cranial nerves? 12
There are how many spinal nerves? 31
Anterior Spinal Nerves Motor neurons
Posterior Spinal Nerves Sensory neurons
Nerve Plexus Intersecting nerves
Cervical Plexus Head and neck
Brachial Plexus Arm and hand
Lumbar Plexus Abdomen, low back and genitalia
Sacral Plexus Posterior hip, legs and feet
Dermatones Skin area specific to sensory nerve root
Myotomes Group of skeletal muscles innervated by single spinal segment
Parasympathetic Nervous System Rest & digestion, Slows down heart rate, Maintains homeostasis, Housekeeping system
Sympathetic Nervous System Fight or flight, Processes not needed curing stress situation are suppressed, Speed up heart rate
Autonomic Nervous System (ANS) Control of involuntary systems and is divided into Parasympathetic and Sympathetic Nervous Systems
Touch General sense, Heat, cold, pressure, pain and movement
Taste Gustatory glands (taste buds) mediate, Chemosensitive, Strongly influenced by smell
Olfaction Chemoreceptors, Strongest sense linked to memory
Vision Photoreceptors
Hearing Mechanoreceptors, Sound waves or vibrations, Hit tympanic membrane
Exterorecptors Stimulus origination from outside of body
Proprioceptors Responds to movement and position
Interoceptors Respond to stimuli from inside body
Chemoreceptors Chemical stimuli, detect smell taste and changes in blood chemistry
Mechanoreceptors Detect tactile pressure, blood pressure, vibration, stretching, muscle contraction, proprioceptions, sound and equilibrium
Photoreceptors Sensitive to light
Rods Photoreceptors that detect black, white and gray
Cones Photoreceptors that detect color
Nocireceptors Photoreceptors that detect pain in most bodily tissues
Created by: cmcracken