ameloblast वाक्य
उदाहरण वाक्य
मोबाइल
- This results in the perpetually increasing size of the junctional epithelial layer and the isolation of the remnants of ameloblasts from any source of nutrition.
- In the secretory stage, ameloblasts release enamel proteins that contribute to the enamel matrix, which is then partially mineralized by the enzyme alkaline phosphatase.
- It is at this stage that a signal is sent from the newly differentiated ameloblasts back across the dentinoenamel junction ( DEJ ) to stimulate dentinogenesis.
- The neonatal line marks the stress or trauma experienced by the ameloblasts during birth, again illustrating the sensitivity of the ameloblasts as they form enamel matrix.
- The neonatal line marks the stress or trauma experienced by the ameloblasts during birth, again illustrating the sensitivity of the ameloblasts as they form enamel matrix.
- Enamel mineralization only occurs once ( as ameloblasts are lost with eruption within the reduced enamel epithelium ); therefore after amelogenesis, enamel production has been finalized.
- The active route is controlled by ameloblasts so the site of mineralization can have a tightly controlled climate, including modulation of proteins that inhibit mineralization ( e . g.
- A smaller amount of cases are of the hypomaturation-hypoplastic case type, in which the enamel structure is softer due to the under maturation of ameloblasts during development.
- Enamel spindles are also linear defects, but they too can be found only at the DEJ, because they are formed by entrapment of odontoblast processes between ameloblasts prior to and during amelogenesis.
- The article, under the " Development " section says : " At some point before the tooth erupts into the mouth, but after the maturation stage, the ameloblasts are broken down.
- Unlike ameloblasts and odontoblasts, which leave no cellular bodies in their secreted products, during the later steps within the stage of apposition, many of the cementoblasts become entrapped by the cementum they produce, becoming cementocytes.
- This green-gray residue, Nasmyth membrane, consists of the fused tissue of the reduced enamel epithelium and oral epithelium, as well as the dental cuticle placed by the ameloblasts on the newly formed outer enamel surface.
- The formation of the striae of Retzius results from a constriction of Tomes'processes when the activity of ameloblasts cells only present in laying down enamel is narrowed in conjunction with an increasing process of interrod enamel development.
- MMP-20, also known as enamelysin, appears to be the only MMP that is tooth-specific and it is expressed by cells of different developmental origin ( i . e . epithelial ameloblasts and mesenchymal odontoblasts ).
- Enamel formation continues around the adjoining ameloblasts, resulting in a walled area, or pit, that houses a Tomes process, and also around the end of each Tomes process, resulting in a deposition of enamel matrix inside of each pit.
- Outside the dentin are the newly formed ameloblasts in response to the formation of dentin, which are cells that continue the process of enamel formation; therefore, enamel formation moves outwards, adding new material to the outer surface of the developing tooth.
- When this first layer is formed, the ameloblasts move away from the interface with dentin, allowing for the development of Tomes processes at the end of the cell which is in contact with the DEJ . Tomes'process is the term given to the end of the cell which lays down the crystals of the enamel matrix.
- Some sections get a bit sticky, and could be improved by merely just using constructs like " ameloblasts are polarized columnar cells, which are _ _ _ _ _ . " or " Tomes processes, which _ _ _ _ _ . " The explanations need not be detailed, just merely gives the reader an idea of the subconcept without getting bogged down in technicalities.
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