DENTINAL TUBULES Meaning and
Definition
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Dentinal tubules are microscopic channels or tunnels that exist within dentin, a hard tissue layer that makes up the majority of a tooth. Dentin is located underneath the outer layer of enamel and surrounds the inner chamber, known as the pulp, where the nerve and blood vessels of the tooth reside.
The dentinal tubules are tubular structures present in the dentin that extend from the outer surface of the tooth towards the pulp. They are formed during tooth development and are filled with fluid, known as dentinal fluid, which contains minerals and nutrients necessary for the health and vitality of the tooth.
Dentinal tubules are vital for the transmission of sensory stimuli. They serve as a pathway for external stimuli, such as temperature, pressure, and pain, to reach the nerves within the pulp. When these tubules are exposed due to factors such as tooth decay, gum recession, or dental procedures, the sensitivity of the tooth increases as the stimuli can directly reach the nerves.
Additionally, dentinal tubules can also play a role in the progression of tooth decay. Bacteria can penetrate the tubules, leading to the formation of cavities within the dentin. Therefore, maintaining the integrity of dentinal tubules is crucial for the overall health and sensitivity of the tooth.
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Canaliculi dentales; minute, wavy, branching tubes or canals in the dentine; they contain the d. fibers.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for DENTINAL TUBULES
- sentinal tubules
- xentinal tubules
- centinal tubules
- fentinal tubules
- rentinal tubules
- eentinal tubules
- dwntinal tubules
- dsntinal tubules
- ddntinal tubules
- drntinal tubules
- d4ntinal tubules
- d3ntinal tubules
- debtinal tubules
- demtinal tubules
- dejtinal tubules
- dehtinal tubules
- denrinal tubules
- denfinal tubules
- denginal tubules
- denyinal tubules
Etymology of DENTINAL TUBULES
The word "dentinal" is derived from the noun "dentin", which refers to the hard, dense tissue that makes up the bulk of a tooth. "Dentin" itself comes from the Latin word "dens", meaning "tooth".
The word "tubules" is derived from the Latin noun "tubulus", which means "small tube" or "pipe". The term "tubule" is often used in biology and anatomy to describe small, tube-like structures.
Therefore, when combined, "dentinal tubules" refers to the small, tube-like structures that exist within the dentin of a tooth.
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