Category: S
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Spinal
Referring to the spine. Pertaining to the backbone or vertebrae. Pertaining to the spine, the spinal cord, or the spinal column.
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Spina
A thin sharp piece of bone. The vertebral column.
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Spigot
The end of a pipe which is joined by insertion into the enlarged end of another pipe.
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Spica
A way of bandaging a joint where the bandage crosses over itself like the figure 8 on the inside of the bend of the joint. A bandage wound spirally around an injured limb. At each turn it is given a twist so that the slack material is taken up at the overlap. A dressing applied…
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Sphygmograph
A device which records the pulse. An apparatus for producing a continuous record of the pulse in one of the blood vessels, showing the strength and rate of the beats.
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Sphygmocardiograph
A device which records heartbeats and pulse rate. An apparatus for producing a continuous record of both the heart beat and the subsequent pulse in one of the blood vessels. The recording can be shown on a moving tape or on an electronic screen. A device that records both the pulse and the heartbeat.
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Sphygmic
Referring to the pulse of an artery.
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Sphincter pupillae muscle
An annular muscle in the iris which constricts the pupil.
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Sphincterotomy
A surgical operation to make an incision into a sphincter. Surgical cutting of a sphincter muscle, typically the one that is located at the junction of the intestine with the bile and pancreatic ducts. Endoscopic sphincterotomy (also known as endoscopic retrograde sphincterotomy, or ERS) is a useful treatment for certain abnormalities of the bile ducts,…
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Sphincteroplasty
A surgical operation to relieve a tightened sphincter.