Weil basal layer

Weil basal layer
a clear, relatively cell-free layer, located just inside the odontoblastic layer and overlying the cell-rich zone of the dental pulp, which is visible during the inactive phase of dentinogenesis. It is made up of delicate fibrils embedded in the ground substance; in dentinogenesis the fibrils are incorporated into the matrix. Called also subodontoblastic l., cell-free or cell-poor zone, and Weil basal zone.

Medical dictionary. 2011.

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  • Weil basal layer (zone) — (vīl) [Ludwig A. Weil, German dentist, 1849–1895] see under layer …   Medical dictionary

  • Weil basal zone — see under layer …   Medical dictionary

  • layer — A sheet of one substance lying on another and distinguished from it by a difference in texture or color or by not being continuous with it. SEE ALSO: stratum, lamina. SYN: panniculus. ameloblastic l. the internal l. of the enamel organ. SYN: enam …   Medical dictionary

  • Weil — Adolf, German physician, 1848–1916. See W. disease. Edmund, Austrian physician, 1880–1922. See W. Felix reaction, W. Felix test. Ludwig A., German dentist, 1849–1895. See W. basal layer, W. basal zone …   Medical dictionary

  • odontoblastic layer — the epithelioid odontoblastic zone, one to five layers thick, which forms the outer surface of the dental pulp adjacent to the dentin, resting on the Weil basal layer. It produces and maintains the dentin …   Medical dictionary

  • subodontoblastic layer — Weil basal l …   Medical dictionary

  • zone — A segment; any encircling or beltlike structure, either external or internal, longitudinal or transverse. SEE ALSO: area, band, region, space, spot. SYN: zona (1) [TA]. [L. zona] …   Medical dictionary

  • cell-rich zone — the layer of the dental pulp lying inside the Weil basal layer, containing reticular fibers and abundant cellular elements, such as fibroblasts, macrophages, and mesenchymal cells, as well as blood vessels and nerves …   Medical dictionary

  • cell-free zone — cell poor zone Weil basal layer …   Medical dictionary

  • List of cutaneous conditions — This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. See also: Cutaneous conditions, Category:Cutaneous conditions, and ICD 10… …   Wikipedia

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