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receptors (proprioception & kinesthesia (receptors (are mainly…

- - - - conscious sense of
        position
        vibration
        & deep pressure
        
        are carried by
        axons frm
        
        joint receptors
        
        & Pacinian corpuscles
        
        these entering via
        the posterior root, branch &
        enter the
        dorsal column
        of the same side
    - - unconscious
        proprioception
        
        is carried by the
        dorsal & ventral
        ( posterior & anterior)
        spinocerebellar tracts
- - - - rapidly adapting
      - Slow adapting
      - in both categories:
        
        some have small well defined
        receptive fields
        
        & are able to provide precise info
        abt the contours of objects
        intending the skin
        
        these receptors are
        concentrated at the
        fingertips
        
        others have
        large receptive fields
        with ill defined boundaries
        
        sometimes covering
        a whole finger
        or a large part of the palm
        
        these receptors are
        not involved in detailed discrimination
        but
        signal info abt
        -vibration
        -skin stretch
        & joint movement
  - - - anterior spinothalamic tract
        
        is concerned with
        
        gross tactile sensation of
        crude touch
        ( touch with high threshold
        of excitation &
        is poorly localized