Notes in Somatosensory Systems

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Status	Last Update	Fields
Published	11/30/2024	Major somatosensory ascending pathways:- {{c1::medial lemniscus (DC/ML)}}- {{c1::spinothalamic}}- {{c1::spinocerebellar}}
Published	11/30/2024	Medial lemniscus information: {{c1::discriminative touch, vibration, and conscious proprioception}}
Published	11/30/2024	Spinothalamic information: {{c1::pain and temperature}}
Published	11/30/2024	Spinocerebellar information: {{c1::unconscious proprioception}}
Published	11/30/2024	Encapsulated receptor: {{c1::peripheral nerve ending associated with specialized cells}}
Published	11/30/2024	Encapsulated receptor contribute to {{c1::discriminative touch}} sensations
Published	11/30/2024	Free nerve endings function: {{c1::contribute to pain and thermal sensations}}
Published	11/30/2024	Somatosensation relies on receptors in- {{c1::joints}} - {{c2::pacini and ruffini::specialized cell}}- {{c1::tendons}} - {{c2::golgi tendon …
Published	11/30/2024	A-fiber types are {{c1::myelinated::myelination}}
Published	11/30/2024	C-fiber types are {{c1::demyelinated::myelination}}
Published	11/30/2024	A-alpha is the {{c1::most}} myelinated
Published	11/30/2024	A-delta is the {{c1::least}} myelinated
Published	11/30/2024	Receptive field size varies with {{c1::receptor type}}
Published	11/30/2024	Receptive field density varies with {{c1::location on body}}
Published	11/30/2024	Two point discrimination: {{c1::the distance by which two separate stimuli can be differentiated on a particular part of the body}}
Published	11/30/2024	DC/ML pathway stands for {{c1::dorsal column/medial lemniscus pathway}}
Published	11/30/2024	Lower body DC/ML pathway 1st order neuronlocation of cell body: {{c1::dorsal root ganglion}}travel in: {{c1::fasciculus gracilis}}finish at:…
Published	11/30/2024	Lower body DC/ML pathway 2nd order neuronlocation of cell body: {{c1::nucleus gracilis}}travel in: {{c1::internal arcuate fibers then medial…
Published	11/30/2024	Lower body DC/ML pathway 3rd order neuronlocation of cell body: {{c1::ventral posterior lateral nucleus of thalamus (VPL)}}travel in: {{c1::…
Published	11/30/2024	Upper body DC/ML pathway 1st order neuronlocation of cell body: {{c1::dorsal root ganglion}}travel in: {{c1::fasciculus cuneatus}}finish at:…
Published	11/30/2024	Upper body DC/ML pathway 2nd order neuronlocation of cell body: {{c1::nucleus cuneatus}}travel in: {{c1::internal arcuate fibers then medial…
Published	11/30/2024	Upper body DC/ML pathway 3rd order neuronlocation of cell body: {{c1::ventral posterior lateral nucleus of thalamus (VPL)}}travel in: {{c1::…
Published	11/30/2024	Damage to dorsal funiculi to dorsal funiculi nuclei results in {{c1::ipsilateral loss of discriminative touch, vibration, and conscious proprioce…
Published	11/30/2024	Damage to medial lemniscus to cortex results in {{c1::contralateral loss of discriminative touch, vibration, and conscious proprioception}}
Published	11/30/2024	Peripheral nerve damage results in {{c1::deficits in portions of adjacent dermatomes}}
Published	11/30/2024	First order cell bodies have a {{c1::peripheral and central}} branch
Published	11/30/2024	peripheral branch of 1st order cell bodies associated with {{c1::encapsulated receptors}}
Published	11/30/2024	noxious stimuli is {{c1::pain}} stimuli
Published	11/30/2024	non-noxious stimuli is {{c1::temperature}} stimuli
Published	11/30/2024	Types of pain perception:- {{c1::fast}}- {{c1::slow}}
Published	11/30/2024	Fast pain is carried by {{c1::A-delta}} fibers in periphery
Published	11/30/2024	Slow pain is carried by {{c1::C}} fibers in periphery
Published	11/30/2024	Fast pain is well-localized which means it is {{c1::discriminative}}
Published	11/30/2024	Slow pain is dull aching which means it is {{c1::affective}}
Published	11/30/2024	Spinothalamic 1st order neuronlocation of cell body: {{c1::dorsal root ganglion}}travel in: {{c1::A-delta}} fibersfinish at: {{c1::nucl…
Published	11/30/2024	Spinothalamic 2nd order neuronlocation of cell body: {{c1::nucleus proprius}}travel in: {{c1::anterior white commissure then spinothalamic t…
Published	11/30/2024	Spinothalamic 3rd order neuronlocation of cell body: {{c1::ventral posterior lateral nucleus of thalamus (VPL)}}travel in: {{c1::posterior l…
Published	11/30/2024	Damage to lateral funiculus results in {{c1::contralateral analgesia (loss of pain/temperature sensation)}}
Published	11/30/2024	Damage to ventral white commissure results in {{c1::bilateral analgesia in the dermatomes corresponding to the lesion}}
Published	11/30/2024	Posterior inferior cerebellar artery (PICA) occlusion results in {{c1::contralateral analgesia}}
Published	11/30/2024	Damage to spinothalamic tract in rostral pons to cortex results in {{c1::contralateral deficits}}
Published	11/30/2024	Damage to spinothalamic tract rostral pons to cortex would {{c1::not spare::spare/not spare}} discriminative touch/vibration/conscious propriocep…
Published	11/30/2024	Right spinal cord hemisection results in {{c1::ipsilateral loss of discriminative touch, vibration & proprioception combined with contralateral a…
Published	11/30/2024	Somatopy of spinothalamic pathway in comparison to DC/ML pathway- midbrain to cortex: {{c1::the same}}- spinal cord: {{c1::opposite}}
Published	11/30/2024	Cystic cavitation of central canal in the cervical spine would impinge on {{c1::medial aspects of spinothalamic tract}} resulting in {{c1::loss o…
Published	11/30/2024	Notable spinocerebellar pathways- {{c1::Dorsal spinocerebellar}}- {{c1::Cuneocerebellar}}
Published	11/30/2024	Dorsal spinocerebellar 1st order neuronslocation of cell body: {{c1::dorsal root ganglion}}travel in: {{c1::ascend fasciculus gracilis (belo…
Published	11/30/2024	Dorsal Spinocerebellar 2nd order neuronlocation of cell body: {{c1::clark's nucleus}}travel in: {{c1::ipsilateral then through inferior cere…
Published	11/30/2024	Cuneocerebellar tract 1st order neuronlocation of cell body: {{c1::dorsal root ganglion}}travel in: {{c1::dorsal root entry zone then ascend…
Published	11/30/2024	Cuneocerebellar tract 2nd order neuronlocation of cell body: {{c1::external cuneate nucleus}}travel in: {{c1::dorsolateral medulla to enter …
Published	11/30/2024	Spinocerebellar pathway damage results in {{c1::ipsilateral ataxia}}
Published	11/30/2024	Ataxia: {{c1::clumsy uncoordinated movement}}
Published	11/30/2024	Right side damage to fasciculus gracilis and cuneatus would result in {{c1::right sided loss of fine touch, vibration, and proprioception of body…
Published	11/30/2024	Left side damage to lateral funiculus would result in {{c1::right sided loss of pain and temperature}}
Status	Last Update	Fields