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Friday 1 November 2013

Tooth Morphology

Questions
Answer
Function of biglycan
Help to regulate collagen fbrillogenesis
Function of tenascin
Associated with cell movements
Function of osteoadherin
Associated with mineralization
Glycoproteins in pulp
Collagen, fibronectin and tenascin
Why is odontoblast layer described as pseudostratified
The nuclei of adjacent odontoblast lie at different levels and sectioning plane cause this appearance
Cell junction present in odontoblasts are
Macula adherens, tight junctions and gap junction
The control of blood flow is under
Nervous system
The pulpal arteriolar smooth muscle is innervated by
Sympathetic nerves
The vasoconstrictor tone of pulpal arterioles are mainatined by
Sympathetic nerves and neurotransmitters are noradrnealine and neuropeptide Y
The most prominent neuropeptide in pulpal nerves are
Calcitonin -gene-related peptide and substance P
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