What is spina bifida? Spina bifida is a neural tube defect that develops during the first month of pregnancy when the spinal column does not close completely. What are the effects of spina bifida? The effects of spina bifida are different for every person.
Tsavorite or tsavolite is a variety of the garnet group species grossular, a calcium-aluminium garnet with the formula Ca3Al2Si3O12. Trace amounts of vanadium or chromium provide the green color.
This article is about levothyroxine as a pharmaceutical drug. For its role as a hormone, see Thyroid hormone. Levothyroxine (INN, USAN) or L-thyroxine is a synthetic thyroid hormone that is chemically identical to thyroxine (T 4), which is naturally secreted by the follicular cells of the thyroid gland.It is used to treat thyroid hormone deficiency, and occasionally to prevent the recurrence of thyroid cancer.xamples include calcium and iron supplements taken within four hours of levothyroxine, as well as soy products within three hours of the medication. Other substances that reduce absorption are aluminium and magnesium containing antacids, simethicone, sucralfate, cholestyramine, colestipol, and polystyrene sulfonate.