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.

At the height of the French Revolution, he was accused by Jean-Paul Marat of selling adulterated tobacco, and of other crimes and was eventually guillotined a year after Marat's death.

* At the height of his career, Carnegie was the second-richest person in the world, behind only John D. Rockefeller of Standard Oil.

At the height of their popularity the band consisted of singer Jimmy Somerville backed by Steve Bronski and Larry Steinbachek, both of whom played keyboards and percussion.

At the height of the rainy season, the front may reach as far as Kanem Prefecture.

At this point, the water pushes northward up the Tonle Sab and empties into the Tonle Sap, thereby increasing the size of the lake from about 2, 590 square kilometers to about 24, 605 square kilometers at the height of the flooding.

At the height of the boom, it was possible for a promising dot-com to make an initial public offering ( IPO ) of its stock and raise a substantial amount of money even though it had never made a profit — or, in some cases, earned any revenue whatsoever.

At its pre-war height, the movement often pursued pseudoscientific notions of racial supremacy and purity.

At their greatest height they reach an elevation of about, the highest point in southern Finland.

At the party's height it boasted 3, 000 cumainn, an average of 75 per constituency.

" At the height of his fame on Diff ' rent Strokes, he earned as much as US $ 100, 000 per episode.

At their height, the Assyrians dominated all of Syria-Palestine, Egypt, and Babylonia.

At its height, the British Empire covered a quarter of the Earth's land area and comprised a quarter of its population.

At the height of its popularity, an entire year's worth of shows would be taped in two separate week-long sessions, then individual shows would be assembled from edited sections.

At the height of the inflation, one US dollar was worth 4 trillion German marks.

At the height of the Persian tradition of illustrated book production ( 1300 to 1600 C. E.

At the height of his popularity as a director, Whale directed The Road Back, a sequel to All Quiet on the Western Front, in 1937.

At the height of her career, she was known as " The Queen of Rock and Roll " as well as " The Queen of Psychedelic Soul ", and became known as Pearl amongst her friends.

At first the kingdom was little more than a loose collection of towns and cities captured during the crusade, but at its height in the mid-12th century the kingdom roughly encompassed the territory of modern-day Israel, Lebanon and Palestine.

At its height it encompassed an area covering not only much of Chad, but also parts of modern southern Libya, eastern Niger, northeastern Nigeria and northern Cameroon.

At the height of the strikes, nearly 30, 000, 000 working days were lost in Britain during 1979, but that had fallen dramatically to some 5, 000, 000 during 1981 as a result of the Thatcher government's union reform policies.

At its highest point, it reaches a height of 1, 834 feet ( 559 m ).

At its height Cahokia is believed to have had a population of between 40, 000 and 80, 000 people, making it amongst the largest pre-Columbian cities of the Americas.

At the height of Viking expansion into Dublin and Jorvik 875-954 AD the longship reached a peak of development such as the Gokstad ship 890.

At first they were only feathers and dark indistinguishable faces and bodies, hunched over their horses' heads.

At first I thought he had missed.

At first Matilda could not believe her own eyes.

At the first restaurant he sensibly pulled up to go in for his dinner, and as a consequence did not see Cobb strike the open range at the mouth of the canyon and head straight across the swells for Antler.

At the first shot Russ had hurled his mount to the left toward the side of the winding draw.

At first, I thought he was out of his head, talking wildly like this.

At first it had been just a romantic dream of his, the same as the idea of finishing Oxford after the war.

At first glance, this hero seems to be more rather than less of an individualist than any of his predecessors.

At first glance this appears strange: of all people, was not America founded by rugged individualists who established a new way of life still inspiring `` undeveloped '' societies abroad??

At this point Mrs. Frances Cupply, one of Wright's handsome daughters by his first wife, came from the house and tried to calm Miriam as she tore down a no visitors sign and smashed the glass pane on another sign with a rock.

At this point a working definition of idea is in order, although our first definition will have to be qualified somewhat as we proceed.

At two thirty he sent Fujimoto to the top of the wall at the northeast corner of the mission to keep an eye on the ridge road and give a signal when he first glimpsed the approach of Kayabashi's party.

At that time consideration will be given to whether in the light of the United States supplies of rice available for Title 1, disposal, India's production, consumption and stocks of food grains, other imports from the United States and countries friendly to the United States, India's storage capacity, and other related factors, any increase would be possible in the portion of the total rice programmed which is currently planned for procurement during the first year.

At first each child should do a kick-up by himself so that the teacher can determine those ready to work alone, and those who need help.

At first Barco was evasive and shifty.

At first the patient felt stronger, and the hemoglobin rose to 13.8 gm., but on Oct. 20, 1958, he complained of `` caving in '' in his knees.

At first I did not know what she meant ; ;

At any rate, Manchester did not lag far behind the first commercial system which was set up in 1844 between Baltimore and Washington.

At the very first, then, Brumidi was required, by the classically pyramidal shape of his central group, to fill in the triangular space above the seated girl on Liberty's right, before starting on the allegorical figures themselves.

At first the kitchen help was tolerant, but ordered their own supply of white bread for themselves.

At the end of the performance, Dave and Max came out into the brilliantly lit foyer among a surge of gowned and tuxedoed first nighters.

At the Fifteenth Anniversary ( 1896 ) as already quoted, Miss Upton projected with force and eloquence the Spelman of the Future as a college of first rank, with expanding and unlimited horizons.

At first glance, not much of a motive for a man of his standing ; ;

At first the Belgian royal family administered the Congo as its own private property.