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At the present time we do not know by what biochemical mechanism TSH acts on the thyroid, but for bio-assay of the hormone there are a number of properties by which its activity may be estimated, including release of iodine from the thyroid, increase in thyroid weight, increase in mean height of the follicular cells and increase in the thyroidal uptake of Af.
from Brown Corpus
Some Related Sentences
At and present
At the moment he was excited about his son's having received the Prix De Rome in archaeology and was looking forward to being present this summer at the excavation of an Etruscan tomb.
At the present time, the counter-attack takes the line that there's no more of the true spirit of `` integration '' in the North than in the South.
Having hedged its bets in this way, PHS apparently decided it would be possible to make some sort of determination after all: `` At present radiation levels, and even at somewhat higher levels, the additional risk is slight and very few people will be affected ''.
At present it's available in one model, the fine and familiar Smith & Wesson Magnum revolver ( about $110 ), long a top-quality handgun among target arms.
At the present time the research team which pioneered this new technique is primarily interested in advancing and perfecting it.
At present, both the familiar cast acrylic and the newer extruded sheets are being used by sign manufacturers, with extruded now representing an estimated 10% of the total.
At about the time the Marsden enterprise was getting under way, the Vail Light and Lumber Company started construction of a chair stock factory on the site of the present Bennington Co-operative Creamery, intending to use its surplus power for generating electricity.
At present the doctor's main concern was in seeing to it that Japanese salvage firms were not permitted to operate on the hulks of warships sunk too close inshore, because the work involved setting off nerve-shattering blasts at all hours.
At present, techniques to establish the realization of an ampere have a relative uncertainty of approximately a few parts in 10 < sup > 7 </ sup >, and involve realizations of the watt, the ohm and the volt.
At the time, the periodic table had been restructured by Seaborg to its present layout, containing the actinide row below the lanthanide one.
At present the Alps are one of the more popular tourist destinations in the world with many resorts such Oberstdorf, in Bavaria, Saalbach in Austria, Davos in Switzerland, Chamonix in France, and Cortina d ' Ampezzo in Italy recording more than a million annual visitors.
At the exact midpoint between the two pKa values, the trace amount of net negative and trace of net positive ions exactly balance, so that average net charge of all forms present is zero.
At Athens some citizens were far more active than others, but the vast numbers required just for the system to work testify to a breadth of participation among those eligible that greatly surpassed any present day democracy.
However, there is limited evidence that mistletoe's effects on the immune system help the body fight cancer .... At present, the use of mistletoe cannot be recommended outside the context of well-designed clinical trials.
At present the nearest airport is the Jaipur International Airport, about 132 km away, with daily flights to the major cities in India.
At present the canal does not flow in district Gurgaon, but only in Faridabad, which was earlier a part of Gurgaon.
At present, the islands are organized as Amakusa District, Amakusa City, and Kami-amakusa City, all of which are under the administration of Kumamoto Prefecture.
At present, many such jobs appear to be flowing towards China, though some that require command of English are going to India and the Philippines.
At present Berlin consists of 96 localities, which are commonly made up of several city neighborhoods — called Kiez in the Berlin dialect — representing small residential areas.
At present, such areas comprise about 30, 000 km², and several are in countries where political stability is fragile.
At and time
At one and the same time, she was within it but still searching for the drawbridge that would give her entry.
At the same time, all suggestions that some sort of societal responsibility existed for the welfare of the people within the territorial state was strongly resisted.
At one time she felt impelled to make dances that `` moved all over the stage '', much as Pollock's paintings move violently over the full extent of the canvas.
At the same time the multiple transvestitism involved -- the fat man as girl and as baby, as coquette pretending to be a baby -- touches for a moment horrifyingly upon the secret sources of a life like Jacoby's, upon the sinister dreams which form the sources of any human life.
At the same time, because the personal code of the detective coincides with the legal dictates of his society, because he likes to catch criminals, he is in middle class eyes a virtuous man.
At the time of his capture Helion had on his person a sketchbook he had bought at Woolworth's in New York.
At one time it seemed as if the Soviet Union had done us a favor by providing a striking example of how not to behave towards other peoples and other nations.
At this time Miriam Noel appeared, urging on Constable Henry Pengally, whose name showed him to be a descendant of the Welsh settlers in the neighborhood.
At the same time, I am aware that my recoil could be interpreted by readers of the tea leaves at the bottom of my psyche as an incestuous sign, since theirs is a science of paradox: if one hates, they say it is because one loves ; ;
At this time Harriet wrote in a letter which after their finally landing in India was sent to her mother:
At no time does he seem to have proposed marriage, and Mrs. King was evidently torn between a concern for her daughter's emotions and the desire to believe that the friendship might be continued without harm to her reputation.
At Sounion there is a group of beautiful columns, the ruins of a temple to Poseidon, of particular interest at that time, as active reconstruction was in progress.
At the same time, a major proportion of these young men and women see religion as a means of personal adjustment, an anchor for family life, a source of emotional security.
At no time did I attempt to seek approval or commendation for the members of the Chicago board of election commissioners for the discharge of their duties.
At the same time, you have to face facts and realize that a man who's been in the Marine Corps all his life doesn't understand much about politics.
At the same time, his voice betrayed uncertainty about their being here, and conveyed an appeal to whatever is reasonable, peace-loving, and dependable in everybody.
At the same time he started walking the streets, peering at the people passing or shopping at the stalls, storing up fresh impressions of what they looked like, how they moved.
At the same time, it was unlikely that any businessmen would spend a day in a Christian mission out of mere curiosity.
At the same time another child -- this one of Shelley's brain -- was given to the world: Alastor, a poem of pervading beauty in which the reader may gaze into the still depths of a fine mind's musings.
At the time Alex arrived he was engaged in some sort of intimate communication with the hen, who had settled herself on the nest most peacefully after the occurrences of the morning.