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strontium

   Also found in: Dictionary/thesaurus, Financial, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.06 sec.
strontium /stron·ti·um/ (stron´she-um) a chemical element, at. no. 38, symbol Sr.
strontium 89  a radioactive isotope of strontium having a half-life of 50.55 days and decaying by beta emission; used in the form of the chloride as a radiation source in palliation of bone pain caused by metastatic lesions.

stron·ti·um (strnch-m, -t-m, -shm)
n. Symbol Sr
A soft, easily oxidized metallic element that ignites spontaneously in air when finely divided, used in pharmaceuticals and in radioisotope form for bone imaging. Atomic number 38.

strontium (Sr) (stron´chēm),
n a metallic element. Its atomic number is 38 and its atomic weight is 87.62. It is chemically similar to calcium and is found in bone tissue. Isotopes of strontium are used in radioisotope scanning procedures of bone.

strontium
a chemical element, atomic number 38, atomic weight 87.62, symbol Sr. See Table 6.

strontium-90
is deposited in bones and removed with great difficulty. It has a very long half-life (28.1 years) and if sufficient is ingested it will have the same toxic and teratogenic effects as external irradiation. S-90 plates are used in the treatment of superficial squamous cell carcinomas involving the eye.
strontium chloride
experimental feeding to pigs causes gross bone abnormality and weakness and paralysis.


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