Sensory Pathways Notes

Sensory Pathways Notes - SensoryPathwaysBookNotes

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Sensory Pathways Book Notes Transducer: converts stimulus into intracellular signal, change in membrane potential  - If above threshold, AP passes sensory neuron to CNS- all incoming signals are  itnegrated Sense organs: ear and eye Somatosensory receptors: somatic senses: consist of neuron w/ naked nerve endings Complex receptors: may be myelinated or unmyelinated Special sense: most specialized receptors; smell- has neurons; other four special senses: non- neural receptor cells Acessory strucutres: enchance infomration-gathering capability of sensory system Chemoreceptors: respond to chemical ligands that bind to receptor (ex: taste and smell) - Stimuli include: oxygen, ph, various organic molecules like glucose Mechanoreceptors: respond to various forms of mechanical energy include pressure  (baroreceptors), vibration, gravirty, accelearation, sound, cell stretch (osmoreceptors) Thermoreceptors: respond to temperature (varying degrees of heat) 
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This note was uploaded on 03/31/2010 for the course BIMM bimm 100 taught by Professor Dr.sato during the Winter '08 term at UCSD.

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Sensory Pathways Notes - SensoryPathwaysBookNotes

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