Sentence Examples


  • If both vibrate, the point describes a curve which appears continuous through the persistence of the retinal impression.
  • These dorsal eyes are very perfect in elaboration, possessing lens, retinal nerve-end cells, retinal pigment and optic nerve.
  • Hickson and others, that in the bivalves Pecten and Spondylus, which also have eyes upon the mantle quite distinct from typical cephalic eyes, there is the same relationship as in Oncidiidae of the optic nerve to the retinal cells.
  • The drug must be at once withheld if haemorrhages (subcutaneous, retinal, &c.) are observed.
  • It is found that in embryological growth the retinal layer of the central eyes forms as a separate pouch, which is pushed in laterally beneath the corneagen layer from the epidermic cell layer.