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Anatomy & Physiology Sensory and Motor Systems Review

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Termini in questo insieme (15)

  • Receptor cell responsible for transducing pain stimuli
    Nociceptor is the receptor cell type that transduces pain stimuli.
  • Cranial nerve part of the gustatory system
    The trigeminal nerve is involved in the gustatory system.
  • Taste submodality sensitive to saliva pH
    Bitter taste is sensitive to the pH of saliva.
  • Neuron type whose axons form the optic nerve
    Axons from photoreceptors in the retina make up the optic nerve.
  • Receptor cell type involved in sound and balance sensations
    Mechanoreceptors (specifically hair cells) are involved in sound and balance, not photoreceptors or chemoreceptors.
  • Sensory modality that does not pass through the ventral posterior thalamus
    Gustatory sensation does not pass through the ventral posterior thalamus.
  • Medulla nucleus connected to the inferior colliculus
    The vestibular nucleus in the medulla connects to the inferior colliculus.
  • Primary visual cortex region processing upper-left visual field stimuli
    Stimuli from the upper-left visual field are processed in the inferior right primary visual cortex.
  • Body location with largest somatosensory cortex representation
    The neck has the largest region in the somatosensory cortex according to the sensory homunculus.
  • Direct target of the vestibular ganglion
    The thalamus is a direct target of the vestibular ganglion.
  • Frontal lobe region initiating movement via cranial and spinal motor neurons
    The premotor cortex initiates movement by connecting directly to motor neurons.
  • Extrapyramidal tract integrating equilibrium with motor commands
    The reticulospinal tract incorporates equilibrium sensations to aid posture and movement.
  • Spinal cord gray matter region containing motor neurons for skeletal muscles
    The ventral horn (not listed but implied) contains motor neurons; among options, the lateral horn contains autonomic neurons.
  • Reflex protecting the foot from painful stimuli
    The withdrawal reflex (not listed) protects the foot; among options, none directly match, but stretch reflex is a protective reflex.
  • Topographical representation of sensory input to somatosensory cortex
    The sensory homunculus is the topographical map of sensory input in the somatosensory cortex.