 ... give an inequality to that surface ; this is the ossified remnant of the pulp, which, being firmer than the surrounding dentine, forms a slight transverse ridge in the middle of the grinding surface. The tooth in this stage has exchanged the functions...  Report of the Annual Meeting - Strona 122autor: British Association for the Advancement of Science. Meeting - 1842Pełny widok - Informacje o książce
 | Robert Bentley Todd - 1852 - Liczba stron: 746
...out by Dr. Bnckhmd, with his usual felicity of illustration, in his " Bridgewatcr Treatise," vol. ip 246. When the crown is worn away beyond the enamel,...by which it is rendered softer than in the existing Iguanœ and other reptiles, and more easily worn away : this is effected by an arrest of the calcifying... | |
 | British Association for the Advancement of Science - 1842 - Liczba stron: 552
...by Dr. Buckland, with his usual felicity of illustration, in his ' Bridgewater Treatise,' vol.ip246. When the crown is worn away beyond the enamel, it...The marginal edge of the incisive condition of the tootli and the median ridge of the molar stage are more effectually established by the introduction... | |
 | David Thomas Ansted - 1844 - Liczba stron: 546
...base of the enamel, the tooth exchanged the functions of an incisor for that of a grinder, and was prepared to give the final compression, or comminution, to the coarsely divided vegetable matter.^ * Bridgwater Treatise, vol. ip 246. Owen's Report, 1841, p. 122. t " The perpetual edge resulted... | |
 | Richard Owen - 1866 - Liczba stron: 704
...crown is worn away beyond the enamel, it presents a broad and nearly horizontal grinding surface, and another dental substance is brought into use to give...comminution, to the coarsely divided vegetable matters, such as might be afforded by the Clathrarice and similar fossil plants, which are found buried with... | |
 | Richard Owen - 1866 - Liczba stron: 734
...The tooth in this stage has exchanged the functions of an incisor for that of a molar, and iprepared to give the final compression, or comminution, to the coarsely divided vegetable matters, such as might be afforded by the ClathraricB and similar fossil plants, which are found buried with... | |
 | Charles Knight - 1867 - Liczba stron: 556
...of a. molar, and is prepared to give the final compression, or comminution, to the coarsely-divided vegetable matters. "The marginal edge of the incisive...by which it is rendered softer than in the existing Iguana; and other reptiles, and more easily worn away; this is effected by an arrest of the calcifying... | |
 | Charles Knight - 1867 - Liczba stron: 556
...of a molar, and is prepared to give the final compression, or comminution, to the coarsely-divided vegetable matters. " The marginal edge of the incisive...by which it is rendered softer than in the existing Iguana; and other reptiles, and more easily worn away; this is effected by an arrest of the calcifying... | |
 | Robert Bentley Todd - 1852 - Liczba stron: 756
...Dr. finckland, with his usual felicity of illustration, in his " Bridgewater Treatise," vol. ip 2+6. When the crown is worn away beyond the enamel, it...by which it is rendered softer than in the existing Iguana? and other reptiles, and more easily worn away : this is effected by an arrest of the calcifying... | |
 | 1851 - Liczba stron: 684
...the functions of an incisor for that of a molar, and is prepared to give the final compres» sion, or comminution, to the coarsely divided vegetable...by which it is rendered softer than in the existing iguana? and other reptiles, and more easily worn away : this is effected by an arrest of the calcifying... | |
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