The American text-book of operative dentistry / In contributions of eminent authorities. Ed. by Edward C. Kirk.

  • Edward Cameron Kirk
Date:
1900
Catalogue details

Licence: Public Domain Mark

Credit: The American text-book of operative dentistry / In contributions of eminent authorities. Ed. by Edward C. Kirk. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

    104/864 (page 102)
    and arc (Icseribed as the striation of the ciiaiiicl. It is seen not only in isolated rods (Fig. 79), hut also in sections ground in their direction (Fig. Fig. 82. Eiiii tid l.y '-(•raping. (About <S00 ■ .) 83). This appearance of striation in the enamel is caused by the alter- nate expansions and constrictions of the rods refracting the light like a Fig. S8. Enamel showing striation. (About 1000 X.) lens. In sections the expansions in adjoining rods are opjwsite to each other, the difference in the refracting power of the ]n'isniatic and inter- prismatic substances producing the same effect.