An odontoblast is a biological cell of neural crest origin that is part of the outer surface of the dental pulp, and whose biological function is dentinogenesis, which is the creation of dentin, the substance under the tooth enamel. The odontoblasts secrete dentin throughout life, which may be an attempt to compensate for natural wearing down of the enamel. In the case of an infection breaching the tooth to the pulp and killing odontoblasts, Periodontal Ligament Stem Cells may differentiate into odontoblasts which would then secrete reparative dentin. Drawing of the structure of cork as it appeared under the microscope to Robert Hooke from Micrographia which is the origin of the word cell. Cells in culture, stained for keratin (red) and DNA (green). ... The neural crest, a component of the ectoderm, is one of several ridgelike clusters of cells found on either side of the neural tube in vertebrate embryos. ... The dental pulp is the part in the center of a tooth made up of living soft tissue and cells called odontoblasts and others. ... Dentinogenesis is the creation, of dentin a substance that forms the inside of teeth. ... Parts of a tooth, including dentin Dentin (BE: dentine) is the substance between enamel (substance in the crown) or cementum (substance in the root) of a tooth and the pulp chamber. ... Tooth enamel is the hardest and most highly mineralized substance of the body , and with dentin, cementum, and dental pulp is one of the four major parts of the tooth. ... Periodontal Ligament Stem Cells are stem cell found near the periodontal ligament of the teeth. ...
The biological tissue formed by odontoblasts is a type of hard tissue. Biological tissue is a collection of interconnected cells that perform a similar function within an organism. ...
An odontoblast is a biological cell of neural crest origin that is part of the outer surface of the dental pulp, and whose biological function is dentinogenesis, which is the creation of dentin, the substance under the tooth enamel.
In odontoblasts, however, the steady state level of collagen type 1 mRNA was higher in the older coronal odontoblasts.
a keratan sulfate-containing proteoglycan, belonging to the small leucine-rich proteoglycan (SLRP) family, is highly expressed during early crown formation in the entire odontoblast cell layer, in the area of Hertwig's epithelial root sheath, in the cells of the newly formed mantle dentin, and in the odontoblasts at the fissures.
Dentinogenesis is performed by odontoblasts, which are a special type of biological cells on the ouside of dental pulps, and it begins at the late bell stage of a developing tooth.
The odontoblasts begin to move toward the center of the tooth, forming an extension called the odontoblast process.
Additionally, the larger odontoblasts cause collagen to be secreted in smaller amounts, which results in more tightly arranged, heterogenous nucleation that is used for mineralization.
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