hair analysis is excellent to help assess thyroid difficulties the hair calcium level is an approximate thyroid effect indicator because thyroid hormone lowers calcium in the body the higher the level of hair calcium in general the lower the effective activity of the thyroid gland
Something that is extended has been fully stretched out or elongated. An extended period of time is an extremely long period of time. To extend something is to make it longer, either physically or in terms of time. Anything extended has been stretched out in this way. An extended rubber band will snap back or break. An extended hose can be used to put out a fire.
period, period of time, time period - an amount of time; a time period of 30 years; hastened the period of time of his recovery; Picasso's blue period. extra innings - overtime play until one team is ahead at the end of an inning; e.g. baseball.