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Alveolus   Listen
noun
Alveolus  n.  (pl. alveoli)  
1.
A cell in a honeycomb.
2.
(Zool.) A small cavity in a coral, shell, or fossil
3.
(Anat.) A small depression, sac, or vesicle, as the socket of a tooth, the air cells of the lungs, the ultimate saccules of glands, etc.





Collaborative International Dictionary of English 0.48


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"Alveolus" Quotes from Famous Books



... bicuspids (grinders), and four molars (large grinders), in each jaw. Each tooth is divided into the crown, body, and root. The crown is the grinding surface; the body—the part projecting from the jaw—is the seat of sensation and nutrition; the root is that portion of the tooth which is inserted in the alveolus. The teeth are composed of dentine (ivory) and enamel. The ivory forms the greater portion of the body and root, while the enamel covers the exposed surface. The small white cords communicating with the teeth are ...
— Searchlights on Health - The Science of Eugenics • B. G. Jefferis and J. L. Nichols
... specimen of P. bulleri, a fine line of enamel completely across the posterior wall. It seems that the posterior enamel plate of M1 is disappearing in both P. bulleri and P. alcorni. In both species the enamel on the posterior wall of M1 does not extend down the crown so far as the level of the alveolus, whereas the anterior plate of enamel on M1, for example, extends well below the alveolus of the tooth. Even though disappearance of the posterior enamel seems to be a trend in both species, it has proceeded farther in P. alcorni than ...
— A New Species of Pocket Gopher (Genus Pappogeomys) From Jalisco, Mexico • Robert J. Russell
... tooth is divided into the crown, body, and root. The crown is the grinding surface; the body—the part projecting from the jaw—is the seat of sensation and nutrition; the root is that portion of the tooth which is inserted in the alveolus. The teeth are composed of dentine (ivory) and enamel. The ivory forms the greater portion of the body and root, while the enamel covers the exposed surface. The small white cords communicating with the teeth ...
— Searchlights on Health - The Science of Eugenics • B. G. Jefferis and J. L. Nichols


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