Stellate reticulum
(Redirected from Stellate reticula)
Stellate reticulum is a group of star-shaped cells found in the enamel organ of a developing tooth. These cells play a crucial role in the formation of enamel, the hard, outermost layer of the tooth. The stellate reticulum is located between the inner enamel epithelium and the outer enamel epithelium.
Structure[edit | edit source]
The stellate reticulum consists of a network of star-shaped cells that are connected by desmosomes. These cells are embedded in an extracellular matrix that contains a high concentration of glycosaminoglycans, which helps to maintain the structure and function of the stellate reticulum.
Function[edit | edit source]
The primary function of the stellate reticulum is to support the developing enamel organ. It provides a cushioning effect and helps to maintain the shape of the enamel organ during tooth development. Additionally, the stellate reticulum plays a role in the transport of nutrients and signaling molecules to the ameloblasts, the cells responsible for enamel formation.
Development[edit | edit source]
The stellate reticulum forms during the bell stage of tooth development. It originates from the dental lamina and undergoes significant changes as the tooth matures. As the enamel organ differentiates, the stellate reticulum becomes more prominent and its cells become more stellate in shape.
Clinical Significance[edit | edit source]
Abnormalities in the stellate reticulum can lead to defects in enamel formation, resulting in conditions such as amelogenesis imperfecta. Understanding the role and function of the stellate reticulum is important for diagnosing and treating such dental conditions.
See Also[edit | edit source]
References[edit | edit source]
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