DENTINAL BULB Meaning and
Definition
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The term "dentinal bulb" refers to a developmental structure located within the dental pulp of a tooth. It refers to a rounded, bulb-like mass that forms during the development of dentin, which is the hard tissue that forms the bulk of a tooth.
Within the dentinal bulb, there are a multitude of cells called odontoblasts, which are responsible for the production of dentin. These odontoblasts secrete a matrix that ultimately mineralizes to form dentin.
The dentinal bulb is typically found near the outer border of the dental pulp, adjacent to the enamel-dentin junction of the tooth. It plays a crucial role in dentinogenesis, the process by which dentin is formed, as it serves as the initial site of dentin production.
As the tooth continues to develop, the dentinal bulb gradually expands, and the odontoblasts migrate away from the bulb's center towards the periphery. This movement of odontoblasts results in the formation of tubules within the dentin, which play a key role in tooth physiology, such as transmitting sensations of hot, cold, and pressure.
Overall, the dentinal bulb is an integral part of the tooth's structure and functionality. It represents the site of origin for dentin formation and contains the cells responsible for the secretion of dentin matrix, which eventually solidifies to form the hard but flexible tissue that supports the enamel and protects the tooth's inner pulp chamber.
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A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for DENTINAL BULB
- sentinal bulb
- xentinal bulb
- centinal bulb
- fentinal bulb
- rentinal bulb
- eentinal bulb
- dwntinal bulb
- dsntinal bulb
- ddntinal bulb
- drntinal bulb
- d4ntinal bulb
- d3ntinal bulb
- debtinal bulb
- demtinal bulb
- dejtinal bulb
- dehtinal bulb
- denrinal bulb
- denfinal bulb
- denginal bulb
- denyinal bulb
Etymology of DENTINAL BULB
The word "dentinal" is derived from the Latin word "dēns", meaning "tooth", combined with the suffix "-al", which forms an adjective. "Bulb", on the other hand, comes from the Latin word "bulbus", meaning "bulbous root". When combined, the term "dentinal bulb" refers to a rounded root-like structure present in a tooth, specifically in the dentin layer.
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