Odontoblasts, ( the cells that form dentin ) have cellular processes that extend into dentinal tubules and are the first to encounter the caries bacterial antigens.

Odontoblasts also secrete tertiary dentin when irritated.

Odontoblasts are large columnar cells arranged in an epithelioid sheet along the junction between dentin and pulp, all the way down to the root apex.

Odontoblasts differentiate from cells of the dental papilla.

Odontoblasts increase in size, eliminating the availability of any extracellular resources to contribute to an organic matrix for mineralization.

Patchen's musicians are outsiders in established jazz circles, and Patchen himself has remained outside the San Francisco poetry group, maintaining a self-imposed isolation, even though his conversion to poetry-and-jazz is not as extreme or as sudden as it may first appear.

The broods of workers that appear later tend to be bigger than the first ones, probably because they are better fed.

But first, we must define two terms so that their meaning will be clearly understood: form -- any unique sequence of alphabetic characters that can appear in a language preceded and followed by a space ; ;

Though the spread of this type of decoration in the Aegean has not yet been precisely determined, it seems to appear first in the Cyclades, which were among the leading exporters of pottery throughout the century.

Eleazar, pausing on the Hanover plain, found its great forests and remoteness good and with his own hands built the first College Hall, a log hut dedicated `` for the education & instruction of Youth of the Indian Tribes in this Land in reading, writing & all parts of learning which shall appear necessary and expedient for civilizing & christianizing Children of Pagans as well as in all liberal Arts and Sciences ; ;

As the first scene begins to fade, the succeeding scene begins to appear.

Kouros ( male youth ) is the modern term given to those representations of standing male youths which first appear in the archaic period in Greece.

The emphasis is given in anatomy, and it is one of the first attempts to represent a kind of motion, and beauty relative to proportions, which appear mostly in post-Archaic art.

Rutherford, who was 70 years old when the first film was made, insisted that she wear her own clothes during the filming of the movie, as well as having her real-life husband, Stringer Davis appear alongside her as the character ' Mr Stringer '.

His first discussions of animism appear in his two 1994 books: his novel, The Story of B, and his autobiography, Providence: The Story of a Fifty-Year Vision Quest.

As a spa city, Aachen could use the title Bad Aachen, but as the town then would not appear in first place on alphabetically ordered lists, it declined to do so.

) In central Europe, the King of Hungary Ladislaus the Posthumous, started the use of Arabic numerals, which appear for the first time in a royal document of 1456.

During the first half of the 19th century, some of the songs African-Americans sang also began to appear in use for shipboard tasks, i. e. as shanties.

It might appear at first sight as though one connection would serve, but the differences in pressure on which these instruments depend are so minute, that the pressure of the air in the room where the recording part is placed has to be considered.

The first four volumes of the complete English edition appear in May 2012.

Mineralized skeletons of bryozoans first appear in rocks from latest Cambrian period, about, making it the last major phylum to appear in the fossil record.

One of the first to appear was Tiny BASIC, a simple BASIC variant designed by Dennis Allison at the urging of Bob Albrecht of the Homebrew Computer Club.

Bede's first abbot was Benedict Biscop, and the names " Biscop " and " Beda " both appear in a king list of the kings of Lindsey from around 800, further suggesting that Bede came from a noble family.

They first appear in history in connection with the Gallic invasion of north Italy, 390 BC, when they made the Etruscan city of Felsina their new capital, Bononia ( Bologna ).

The Bastarnae first appear in the historical record in 179 BC, when they crossed the Danube in massive force ( probably ca.

Alexander Bunyip, created by children's author and illustrator Michael Salmon, first appeared in print in The Monster That Ate Canberra in 1972, Alexander Bunyip went on to appear in many other books and a live-action television series, Alexander Bunyip's Billabong.

* Burgundians, an East Germanic tribe, who first appear in history in South East Europe.

At first, it was suspected that the strange features of the black hole solutions were pathological artifacts from the symmetry conditions imposed, and that the singularities would not appear in generic situations.

People who die from this form of plague often die on the same day symptoms first appear.

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 first gratingly, caught by grains of corn -- then with a clash into its slot.

The smell at first was more surprising than unpleasant.

After he had spent the first three years in New York as associate conductor, at Toscanini's invitation, of the NBC Orchestra, he made numerous guest appearances throughout the United States and Latin America.

When I mentioned that for my first long voyage I did not even have the money for the return fare, but had trusted to luck that I would earn a sufficient amount, the young people looked at me doubtingly.

Yet when, at war's end, the ex-Tory made the first move to resume correspondence, Jay wrote him from Paris, where he was negotiating the peace settlement:

It was at my first Communion.

The highroad, one might say at first, belongs to life, while the way to the churchyard belongs to death.

Life is further characterized, in antithesis to Piepsam, as animal: the image of a dog, which appears at several places, is first given as the criterion of amiable, irrelevant interest aroused by life considered simply as a spectacle: a dog in a wagon is `` admirable '', `` a pleasure to contemplate '' ; ;

It resembles, too, pictures such as Durer and Bruegel did, in which all that looks at first to be solely pictorial proves on inspection to be also literary, the representation of a proverb, for example, or a deadly sin.

Being somewhat delicate in health, at the age of sixteen he was sent to Southern Europe, for which he at once developed a passion, so that he spent nearly all of the following ten years abroad, at first in Italy, then in Greece, Egypt, Asia Minor, and Palestine.

She was more excited than frightened at the prospect of having her first child in a foreign land.

Even the first wave of homesickness had passed, although there were moments when Captain Heard pointed out on his compass the direction of Bradford that she felt a little twinge at her heart.

The first act of Adoniram and Samuel on reaching Calcutta was to report at the police station, a necessity when landing in East India Company territory.

He seemed timid ( at first, ) wore nose glasses from which a black ribbon dangled, and was no bigger than a jockey.

On one visit he stopped at the office of the American, where he was known surreptitiously as `` the Great White Chief '', and for the first time met his managing editor, fat Moses Koenigsberg.

It was probably at this period that Littlepage got his first good look at the ordinary Russian soldier.

We stopped first at the amphitheater that lies at the foot of the height crowned by the Parthenon.

The evening of our first day we drove with Christopher and Judy Sakellariadis, who were friends and patients of Norton, to dine at a restaurant on the shores of the Aegean.

Master Gorton, having foully abused high and low at Aquidneck is now bewitching and bemaddening poor Providence, both with his unclean and foul censures of all the ministers of this country ( for which myself have in Christ's name withstood him ), and also denying all visible and external ordinances in depth of Familism: almost all suck in his poison, as at first they did at Aquidneck.