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Practical NeuroanatomyPractical NeuroanatomyLecture 4Lecture 4
Christine Hulette MDChristine Hulette MD
Practical NeuroanatomyPractical NeuroanatomyLecture 4Lecture 4
Christine Hulette MDChristine Hulette MD
General Sensation and ReviewGeneral Sensation and Review
PAIN AND TEMPERATUREPAIN AND TEMPERATUREPAIN AND TEMPERATUREPAIN AND TEMPERATURE
Receptors in dermis and epidermisReceptors in dermis and epidermis
Dorsal root ganglion Dorsal root ganglion dorsal horn of spinal cord dorsal horn of spinal cord
Cross to lateral spinothalamic tract and ascend to Ventral Cross to lateral spinothalamic tract and ascend to Ventral Posterior Lateral (VPL) nucleus of the ThalamusPosterior Lateral (VPL) nucleus of the Thalamus
Post Central GyrusPost Central Gyrus
Reflex arc present at the spinal cord levelReflex arc present at the spinal cord level
behavioralphys.wikispaces.com behavioralphys.wikispaces.com
biology.clc.uc.edu/.../ganglionbiology.clc.uc.edu/.../ganglion biology.clc.uc.edu/.../ganglionbiology.clc.uc.edu/.../ganglion
PRESSURE AND CRUDE TOUCHPRESSURE AND CRUDE TOUCHPRESSURE AND CRUDE TOUCHPRESSURE AND CRUDE TOUCH
Receptors in dermisReceptors in dermis
Dorsal root ganglionDorsal root gangliondorsal horn of spinal corddorsal horn of spinal cord
Ventral Spinothalamic TractVentral Spinothalamic Tract
Ventral Posterior Lateral (VPL) ThalamusVentral Posterior Lateral (VPL) Thalamus
Post Central GyrusPost Central Gyrus
PROPRIOCEPTION, FINE TOUCH, PROPRIOCEPTION, FINE TOUCH, VIBRATIONVIBRATION
PROPRIOCEPTION, FINE TOUCH, PROPRIOCEPTION, FINE TOUCH, VIBRATIONVIBRATION
Receptors in muscles, joints and tendonsReceptors in muscles, joints and tendons
Dorsal root ganglionDorsal root ganglionipsilateral dorsal white columnipsilateral dorsal white column
Lumbosacral inputLumbosacral inputfasciculus gracilisfasciculus gracilis
Thoracocervical inputThoracocervical inputfasciculus cuneatusfasciculus cuneatus
Synapse nucleus gracilus and cuneatusSynapse nucleus gracilus and cuneatus
Ascend via Medial lemniscus midbrainAscend via Medial lemniscus midbrain
Ventroposterior Lateral ThalamusVentroposterior Lateral Thalamus
Post Central GyrusPost Central Gyrus
SENSATION FROM FACESENSATION FROM FACESENSATION FROM FACESENSATION FROM FACE
Input via the trigeminal nerve (Cranial nerve V)Input via the trigeminal nerve (Cranial nerve V)
Opthalmic (VOpthalmic (V11) , Maxillary (V) , Maxillary (V22) and Mandibular (V) and Mandibular (V33) branches) branches
Projections to trigeminal ganglion (pons) and nucleus (medulla)Projections to trigeminal ganglion (pons) and nucleus (medulla)
Fibers cross and ascend to the Ventral Posterior Medial (VPM) Fibers cross and ascend to the Ventral Posterior Medial (VPM) ThalamusThalamus
GENERAL SENSATIONGENERAL SENSATIONGENERAL SENSATIONGENERAL SENSATION
Pain and temperaturePain and temperature
Pressure and crude touchPressure and crude touch
Proprioception, fine touch and vibrationProprioception, fine touch and vibration
REVIEWREVIEW
THE ENDTHE ENDTHE ENDTHE END