Mindblown: a blog about philosophy.
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Signed rank test
Nonparametric form of the paired t test for comparing two samples.
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Signaling molecule
Molecules that participate in intracellular and intercellular mechanisms involved in chemical transmitting of information between cells. Such molecules are released from the cell sending the signal, cross over the gap between cells, and interact with receptors in another cell, triggering an intracellular signaling cascade that results in a cellular response to the impulse.
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Sign
An objective indication of disease discoverable by the clinician upon evaluation of the patient. Objective evidence of disease or disorder. A movement, mark, colouring or change which has a meaning and can be recognised by a doctor as indicating a condition. In medicine, any manifestation of a physical condition or disease that can be objectively…
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Sialorrhea
Salivary flow greater than the normal rate. Excess production of saliva, or increased retention of saliva in the mouth, due to difficulty swallowing.
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Sialoprotein
Noncollagenous protein with a molecular weight of approximately 33 000 kDa that contains the arginine‐glycine‐aspartic acid (RGD) tripeptide sequence, characteristic for attachment proteins, which interact with cell surface integrins. It has a high calcium‐binding potential and binds tightly to hydroxyapatite (HA) as well as to cells.
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Sialolith
A salivary stone (calculus). A stone in a salivary gland. A stone (calculus) in a salivary gland or duct, most often the duct of the submandibular gland. The flow of saliva is obstructed, causing swelling and intense pain.
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Sialagogue
Any substance or agent that promotes the secretion and flow of saliva. Substance that stimulates the flow of saliva. A substance which increases ‘the production of saliva. An agent increasing the flow of saliva. A substance that triggers the production of saliva.
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Sialadenitis
Inflammation of the salivary gland, which is a symptom of an infection, often caused by bacteria, that develops in the gland as the result of an obstruction of the duct, or tube, that carries saliva from the gland into the mouth. The obstruction may be due to salivary glands stones in the duct or to…
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Shoulder finish line
A finish line design for tooth preparation in which the gingival floor meets the external axial surfaces at approximately a right angle.
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Shim stock
A thin strip (8–12 μm) of polyester film used to mark or confirm the point(s) of contact on natural teeth, artificial teeth, or a restoration. It is used to facilitate occlusal and proximal contact adjustment.
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