Nasmyth's membrane

Nasmyth's membrane
Na·smyth's membrane 'nā-smiths- n the thin cuticular remains of the enamel organ which surrounds the enamel of a tooth during its fetal development and for a brief period after birth
Nasmyth Alexander (d 1848)
British anatomist and dentist. Nasmyth served as oral surgeon to Queen Victoria and Prince Albert. In 1839, in an article on the structure and diseases of teeth, he described the cuticle of the dental enamel, now known as Nasmyth's membrane.

Medical dictionary. 2011.

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  • nasmyth's membrane — ˈnā]zˌmiths , ˈna], ]ˌsmiths noun Usage: usually capitalized N Etymology: after Alexander Nasmyth died 1848 Scottish anatomist and dentist : the thin cuticular remains of the enamel organ which surrounds the enamel of a tooth during its fetal… …   Useful english dictionary

  • Nasmyth membrane — Nas·myth membrane (nasґmith) [Alexander Nasmyth, Scottish dental surgeon in London, died 1847] primary (enamel) cuticle …   Medical dictionary

  • membrane — 1. A thin sheet or layer of pliable tissue, serving as a covering or envelope of a part, as the lining of a cavity, as a partition or septum, or to connect two structures. SYN: membrana [TA]. 2. SYN: biomembrane. [L. membrana, a skin or m …   Medical dictionary

  • Nasmyth — Alexander, London dentist, 1789–1849. See N. cuticle, N. membrane …   Medical dictionary

  • Nasmyth membrane — primary (enamel) cuticle …   Medical dictionary

  • Naismith — This page includes variants Nasmith, Nasmyth, and Naysmith. Contents 1 General 2 Places 3 Companies 4 People 4.1 Naismith …   Wikipedia

  • Tooth development — Radiograph of lower right (from left to right) third, second, and first molars in different stages of development. Tooth development or odontogenesis is the complex process by which teeth form from embryonic cells, grow, and erupt into the mouth …   Wikipedia

  • Primary enamel cuticle — Primary enamel cuticle, also called Nasmyth s membrane , is thin membrane of tissue also known as reduced enamel epithelium produced by the ameloblast, that covers the tooth once it has erupted. This tissue is primarily basal lamina. It is… …   Wikipedia

  • Tooth enamel — Labeled molar Latin enamelum Code TA …   Wikipedia

  • cuticle — 1. An outer thin layer, usually horny in nature. SYN: cuticula (1). 2. The layer, chitinous in some invertebrates, which occurs on the surface of epithelial cells. 3. SYN: epidermis. [L. cuticula, dim. of cutis, skin] acquired c …   Medical dictionary

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