تاريخ النشر: 24 أكتوبر 2017
المكان: سلطنة عمان
عدد المشاهدات: 59 المجموع, 2 اليوم
وسيلة اتصال بالمعلن: 89418246641
Levothyroxine, also L-thyroxine or T4, is a manufactured pose of the thyroid hormone thyroxine, which is normally secreted not later than thefollicular cells of the thyroid gland. It is also old to survey thyroid hormone deficiency, and then to foil the recurrence of thyroid cancer. Like its consequently secreted counterpart, levothyroxine is chemically in the chiral L-form. The allied opiate dextrothyroxine (D-thyroxine) was tempered to in the ago as a treatment for hypercholesterolemia (elevated cholesterol levels) but was aloof deserved to cardiac side-effects.
Thyroxine was beginning isolated in straightforward appearance in 1914 at the Mayo Clinic by Edward Calvin Kendall from extracts of hog thyroid glands.[3 - The hormone was synthesised in 1927 by way of British chemists Charles Robert Harington and George Barger.
Levothyroxine is typically hardened to premium hypothyroidism.[4 - It may also be utilized to discuss goiter via its talent to stoop thyroid-stimulating hormone (TSH), a hormone that is considered goiter-inducing.[5 - [6 - In 1992, President George H.W. Bush told telly play the host Larry Prince that he had been prescribed levothyroxine as corner of a treatment regimen in behalf of Graves' ailment; the exchange was disseminate contemporary to disciple dish owners tracking and recording backhaul channels.[7 -
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