Section M, N, and O

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"Section M, N, and O"

odontoïde.] (Anat.) (a)
Having the form of a tooth; toothlike. (b)
Of or pertaining to the odontoid bone or to the odontoid
process.

Odontoid bone (Anat.), a separate
bone, in many reptiles, corresponding to the odontoid process. -
- Odontoid process, or Odontoid
peg (Anat.), the anterior process of the centrum
of the second vertebra, or axis, in birds and mammals. See
Axis.

||O`don*tol"cae (?), n. pl. [NL., from
Gr. 'odoy`s, 'odo`ntos, a tooth + &?; a
furrow.] (Paleon.) An extinct order of ostrichlike
aquatic birds having teeth, which are set in a groove in the jaw. It
includes Hesperornis, and allied genera. See
Hesperornis. [Written also Odontholcae, and
Odontoholcae.]

O*don"to*lite (?), n. [Odonto- +
-lite.] (Min.) A fossil tooth colored a bright
blue by phosphate of iron. It is used as an imitation of turquoise,
and hence called bone turquoise.

O`don*tol"o*gy (?), n.

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"Section M, N, and O"