odontoblast

odontoblast
One of the dentin-forming cells, derived from mesenchyme of neural crest origin, lining the pulp cavity of a tooth; odontoblasts are arranged in a peripheral layer in the dental pulp, each with an odontoblastic process extending through the thickness of the dentine; the cells generally are columnar in the coronal pulp but are more cuboidal in the radicular area and adjacent to tertiary dentin. [odonto- + G. blastos, sprout, germ]

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odon·to·blast ō-'dänt-ə-.blast n one of the elongated radially arranged outer cells of the dental pulp that secrete dentin
odon·to·blas·tic -.dänt-ə-'blas-tik adj

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n.
a cell that forms dentine. Odontoblasts line the pulp and have small processes that extend into the dentine.

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odon·to·blast (o-donґto-blast) [odonto- + -blast] one of the columnar connective tissue cells which deposit dentin and form the outer surface of the dental pulp adjacent to the dentin.

Medical dictionary. 2011.

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Look at other dictionaries:

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  • Odontoblast — O*don to*blast, n. [Odonto + blast.] [1913 Webster] 1. (Anat.) One of the more or less columnar cells on the outer surface of the pulp of a tooth; an odontoplast. They are supposed to be connected with the formation of dentine. [1913 Webster] 2.… …   The Collaborative International Dictionary of English

  • odontoblast — [ō dänt′ō blast΄] n. [ ODONTO + BLAST] any of the cells forming the outer surface of the pulp of a tooth and secreting a substance which develops into dentin odontoblastic adj …   English World dictionary

  • Odontoblast — Ein Odontoblast (Plural: Odontoblasten) ist eine Zelle mesenchymalen Ursprungs. Bei der Zahnentstehung induzieren Epithelzellen der Hertwig’schen Scheide die benachbarten Mesenchymzellen dazu, sich in Odontoblasten umzuwandeln. Odontoblasten… …   Deutsch Wikipedia

  • Odontoblast process — An odontoblast process is an extension of a cell called an odontoblast, which forms dentin in a tooth. The odontoblast process forms during dentinogenesis and results from a part of the odontoblast staying in its location as the main body of the… …   Wikipedia

  • odontoblast — noun Etymology: International Scientific Vocabulary Date: 1878 any of the elongated radially arranged cells on the surface of the dental pulp that secrete dentin • odontoblastic adjective …   New Collegiate Dictionary

  • odontoblast — n. [Gr. odous, tooth; blastos, bud] (MOLLUSCA: Gastropoda) Cells in the radular sac that secrete the radular teeth …   Dictionary of invertebrate zoology

  • odontoblast — odontoblastic, adj. /oh don teuh blast /, n. Anat. one of a layer of cells lining the pulp cavity of a tooth, from which dentin is formed. [1875 80; ODONTO + BLAST] * * * …   Universalium

  • odontoblast — noun A cell on the outer surface of dental pulp that produces tooth dentin …   Wiktionary

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