Dentinal cell is a term used in dentistry to describe the cells found in the dentin, a hard tissue that makes up the bulk of a tooth. The spelling of this word can be explained using the International Phonetic Alphabet (IPA), where "dɛntɪnəl sɛl" represents the pronunciation. The stress is on the second syllable "tin", and the "ɪ" represents the short "i" sound. This spelling system ensures consistency and accuracy in describing the pronunciation of words. Dentinal cells play a crucial role in protecting and maintaining a healthy tooth structure.
Dentinal cells are specialized cells found in the dentin of teeth. Dentin, which is the hard calcified tissue that makes up the majority of a tooth, is surrounded by the enamel on the crown and the cementum on the root. Dentinal cells are responsible for the formation, maintenance, and repair of dentin throughout an individual's life.
These cells are located within the dentinal tubules, which are tiny channels that extend from the pulp cavity of the tooth to the outer layers of dentin. The dentinal tubules serve as pathways for nutrients and communication between the dental pulp and the external tooth structures.
Dentinal cells are able to sense and respond to external stimuli, such as changes in temperature or pressure, by transmitting signals through the dentin. They also participate in the process of dentinogenesis, which involves the production and mineralization of new dentin in response to tooth damage or decay.
In terms of cellular structure, dentinal cells have long, branching processes that extend into the dentinal tubules. These processes connect with the processes of neighboring dentinal cells, forming a network throughout the dentin.
Overall, dentinal cells play a crucial role in the vitality and health of teeth by contributing to the formation, repair, and maintenance of dentin tissue.
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A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "dentinal" is derived from "dentine", which refers to the hard, calcified tissue that forms the bulk of the tooth beneath the enamel. "Dentine" is a variant of the word "dentin", which comes from the Latin term "dens", meaning "tooth". The suffix "-al" is commonly added to a root word to form an adjective, so "dentinal" describes something relating to dentine.
A "cell" refers to the basic structural and functional unit of life, which has its roots in the Latin word "cella", meaning "small room" or "storeroom". In this context, "dentinal cell" refers to the specialized cells found in the dentin tissue of a tooth. These cells play a crucial role in the synthesis and maintenance of dentin throughout a person's life.