Dental Canaliculi, Sem #3
by Meckes/ottawa
Title
Dental Canaliculi, Sem #3
Artist
Meckes/ottawa
Medium
Photograph - Photograph
Description
Coloured scanning electron micrograph (SEM) of the boundary between the dentin at left (substantia eburnea), which is a mineralised connective tissue found under a tooth's enamel, and the pulp at right (red/brown). Dentin forms the bulk of a tooth and differs from bone in its microscopic structure. Shown in cross section are the dentinal tubules (dental canaliculi), which have been formed by the cytoplasmic extensions (red tubes) of odontoblast cells (dentin-producing cells). The odontoblast cells originate in the pulp and allow the dentin to rebuild itself, unlike enamel. Magnification x550 when printed 10 centimetres wide.
Uploaded
May 19th, 2021
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