1. 
   dacryocystoptosis
   (dak″re-o-sis″top-to´sis) (dak″re-o-sis″to-to´sis) prolapse of the lacrimal sac.
   Found op http://www.encyclo.co.uk/local/21001
   
   
2. 
   dacryocystoptosis
   dacryocystoptosis 1. A prolapse or downward displacement of the lacrimal sac. 2. A downward displacement of the lacrimal sac. Since this sac lies in the bony lacrimal fossa, such a condition cannot occur unless the bony structure is altered.
   Found op http://www.wordinfo.info/words/index/info/view_unit/613/2
   
   

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