In most cases, the inferior parathyroid glands become localized near the inferior poles of the thyroid, and the thymus continues to migrate toward the mediastinum. The superior parathyroid glands are derived from the fourth pharyngeal pouch and migrate together with the ultimobranchial bodies.n most cases, the inferior parathyroid glands become localized near the inferior poles of the thyroid, and the thymus continues to migrate toward the mediastinum. The superior parathyroid glands are derived from the fourth pharyngeal pouch and migrate together with the ultimobranchial bodies.
Try to avoid sugary or overly fatty foods and drinks, which are harder to digest and may upset your kid's tummy further. How Long Will Stomach Flu Last? Depending on the virus and your child's immune system, the stomach flu can last anywhere from just a day or two to around 10 days. Children tend to throw up for just the first day or two, but diarrhea can last more than a week, says Dr. Nelson.
Children may pass the virus for longer than 7 days. Symptoms start 1 to 4 days after the virus enters the body. Information about how long a person is contagious is available at How Flu Spreads.lu seasons are unpredictable and can be severe. Over a period of 30 years, between 1976 and 2006, estimates of flu-associated deaths in the United States range from a low of about 3,000 to a high of about 49,000 people.