somatic senses general sensory system. sensation define stimulus type sensory organ sensory...
TRANSCRIPT
Somatic Senses
General Sensory System
Sensation
Define Stimulus Type Sensory Organ Sensory Receptors
Exteroceptors Interoceptors Proprioceptors
Receptor Potential Transduction Pathway Response Adaptation
Somatosensory Receptors
Nocireceptors Thermoreceptors Mechanoreceptors
Tactile Baroreceptors Proprioceptors
Chemoreceptors
Somatosensory Exteroceptors
Somatic Sensory Modalities
Discriminative Touch Pressure, Vibration, Texture
Rapidly Adapting Meissners Corpuscles Pacinian Corpuscles
Slowly Adapting Merkel Disks
Pain and Temperature Free nerve endings
Fast Pain : A Fibers Slow Pain: C Fibers
Ruffini corpuscle: heat Krause corpuscle: cold
Proprioception Muscle Spindle Golgi Tendon Organ
Pseudounipolar Neuron
Ascending Sensory Tracts
Crossing Over
General Somatosensory Pathway
Ascending Sensory Spinal Cord Tract Information
Touch and Pressure Discriminative
Dorsal Columns: Fasciculus Group Crude
Anterior Spinal Thalamic
Pain and Temperature Lateral Spinal Thalamic
Proprioception Length : Posterior Spinocerebellar Force: Anterior Spinocerebellar
Sensory Cortex
Sensory Homunculus
Association Areas
Touch and Pressure
Meissners Corpuscles
Pacinian Corpuscles
Merkel Disks
Posterior [Dorsal] Columns
Sensory Receptors: Pain
Sensory Receptors: Temperature
Proprioception
Histology of Proprioceptors
Muscle Spindle Fibers
Golgi Tendon Organ
Experiments
Discrimination testsLocation DensityThresholdAdaptation
Testing Fields for Pressure
Depth and Threshold
Receptor Potentials
Receptor Testing Variations
Temperature
Somatosensory Responds to:
Contact with foreign objectsWarningFeedbackDevelopment
Changes in temperatureWarningHeat regulation
Avoid Damage
Dermatomes
Skin region monitored
Sensory receptors Spinal Nerve pair
maps the body CN V supplies face
Cranial Nerves with Somatosensory
CN V Ophthalmic Br. Maxillary Br. Mandibular Br.
CN X ANS
parasympathetic for pain
Reflex Response
Pain and Temperature Reflex
Reflex Testing
Motor Response from Higher Centers
Descending Motor Tracts
Corticospinal Lateral Anterior Corticobulbar
Vestibulospinal Tectospinal Recticulospinal Rubrospinal