Psora

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Itch \Itch\, n.
     1. (Med.) An eruption of small, isolated, acuminated
        vesicles, produced by the entrance of a parasitic mite
        (the {Sarcoptes scabei}), and attended with itching. It is
        transmissible by contact.
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     2. Any itching eruption.
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     3. A sensation in the skin occasioned (or resembling that
        occasioned) by the itch eruption; -- called also
        {scabies}, {psora}, etc.
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     4. A constant irritating desire.
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              An itch of being thought a divine king. --Dryden.
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     {Baker's itch}. See under {Baker}.
  
     {Barber's itch}, sycosis.
  
     {Bricklayer's itch}, an eczema of the hands attended with
        much itching, occurring among bricklayers.
  
     {Grocer's itch}, an itching eruption, being a variety of
        eczema, produced by the sugar mite ({Tyrogluphus
        sacchari}).
  
     {Itch insect} (Zool.), a small parasitic mite ({Sarcoptes
        scabei}) which burrows and breeds beneath the human skin,
        thus causing the disease known as the itch. See Illust. in
        Append.
  
     {Itch mite}. (Zool.) Same as {Itch insect}, above. Also,
        other similar mites affecting the lower animals, as the
        horse and ox.
  
     {Sugar baker's itch}, a variety of eczema, due to the action
        of sugar upon the skin.
  
     {Washerwoman's itch}, eczema of the hands and arms, occurring
        among washerwomen.
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From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Psora \Pso"ra\, n. [L., fr. Gr. ?.] (Med.)
     A cutaneous disease; especially, the itch.
     [1913 Webster]