Century Dictionary and Cyclopedia
- n. In zoöl. and anatomy, an interval between any two consecutive teeth, especially between any two series or kinds of teeth, as between the canines and premolars or incisors, or among the incisors, as in many bats. When there are no canines, as in rodents, diastema occurs between the incisors and the premolars. It necessarily occurs when opposing teeth are so long that they cross each other when the mouth is shut. Man is notable as having normally no diastemata, his teeth forming a continuous series, and being all of approximately equal lengths. But the same is the case with some other mammals, as in the genera Tarsius and Anoplotherium.
- n. In ancient Greek music, an interval. Also diastem.
- n. In cytology, the pale region in the cytoplasm or area of sparser protoplasmic fibrillæ which foreshadows the division-plane in karyokinesis, or indirect cell-division.
GNU Webster's 1913
- n. (Anat.) A vacant space, or gap, esp. between teeth in a jaw.
- n. a gap or vacant space between two teeth
““It was a metaphor for the separation I was feeling,” said Mr. Delfin, who called his spring 2009 collection “Diastema,” the medical term for a space between two teeth, usually in front.”
“Massive zygomatic Diastema (gap) arch through which jaw muscles pass Protruding muzzle Foramen magnum positioned at rear Large incisors Massive jaw Large molars for Large canines used as with no chin grinding vegetation defensive weapons”
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