Sentence Examples


  • - Proboscis and Proboscidian Sheath.
  • Ps, Proboscidian sheath.
  • Fluid, the contractions alluded to send PS, Proboscidian sheath.
  • It is worthy of notice that in those Nemertines which make a very free use of their proboscis, and in which it is seen to be continually protruded and retracted, the walls of the proboscidian sheath are enormously muscular.
  • There is reason to suppose that, when a wound is inflicted by the central stylet, it is envenomed by the fluid secreted in the posterior proboscidian region being at the same time expelled.