Buckmaster's Elements of animal physiology / by John Angell.

  • Angell, John
Date:
1866
Catalogue details

Licence: Public Domain Mark

Credit: Buckmaster's Elements of animal physiology / by John Angell. Source: Wellcome Collection.

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    appearance is due to the presence of minute charac- teristic tubuli, which open and run from the pulp cavity (see page 42) to the surface of the tooth. These tubuli bifurcate^ or divide into twos, towards Fig. 91.—Microscopic Sec- tion OF Dentine. Showing intertubular sub- stance, and tubuli branch- ing dichotomously towards the surface. the surface of the tooth, where they anastomose with the canaliculi (small canals) of the tooth-bone. They evidently constitute the media by which the tooth is nourished. Muscular Tissue comprises two varieties— striated (striped) and non-striated muscular fibre. Fig. 92. — Portion of Voluntary Muscle. A A. Ends of primitive striated fibres. B. Side of fibre, showing transverse striee. C. Primitive fibre split into fibrill(E.