In the Eastern Church, the Theotokia often include biblical references that emphasize the mystery of the Incarnation.

Theotokia will often occur at the end of a series of troparia, usually preceded by " Both now and ever, and unto the ages of ages.

The positioning of Marian hymns in the Orthodox liturgical services effectively places the Theotokos in the most prominent place after Christ, in that the Theotokia immediately follow the hymns that praise Christ.

In the Eastern Church, the Theotokia ( i. e. hymns to the Theotokos ) are an essential part of the Divine Liturgy.

In the Theotokia people repeat the name Mary many times as a sign of their close friendship with her, and as an expression of the desire to call her by her name.

While the formations of the Divine Liturgy in the 6th and 7th centuries preceded the beginnings of the period of Byzantine Iconoclasm, it was perhaps during the 11th century that the Theotokia became part of the liturgical books of the Eastern Church.

The inclusion of Theotokia in every service is sometimes accredited to Peter the Fuller, the monophysite Patriarch of Antioch ( 471-488 ), an ardent opponent of Nestorianism.

Theotokia of all types are found in the Horologion, Octoechos, Triodion, Pentecostarion and other liturgical books.

The longest and most popular devotion involving Theotokia is the Akathist to the Theotokos.

Nonstandard amino acids often occur as intermediates in the metabolic pathways for standard amino acids — for example, ornithine and citrulline occur in the urea cycle, part of amino acid catabolism ( see below ).

Adaptive radiations often occur as a result of an organism arising in an environment with unoccupied niches, such as a newly formed lake or isolated island chain.

" Directing " is suggestively thought, rather than willfully accomplished, because the physical responses to " Directing " often occur underneath one's ability to perceive.

Pentecostals believe that physical healing is within the anointing and so there is often great expectation or at least great hope that a miraculous cure or improvement will occur when someone is being prayed over for healing.

Recently, the celebration took place in The Liberty Hotel, a former city jail converted into a boutique hotel, though more often the festivities occur in Boston's Back Bay neighborhood, near the Cultural Center's headquarters.

The GU pairing, with two hydrogen bonds, does occur fairly often in RNA ( see wobble base pair ).

Two thirds of the chemical elements occur on Earth only as compounds, and in the remaining third, often the compound forms of the element are most common.

Comets visible to the naked eye are fairly infrequent, but comets that put on fine displays in amateur class telescopes ( 50 mm to 100 cm ) occur fairly often — as often as several times a year, occasionally with more than one in the sky at the same time.

This can occur by increasing the entropy of the system, often through the formation of gaseous reaction products, which have high entropy.

Temperatures often ( 43 days ) stay below freezing for an entire day, and lows below occur on eight nights per year.

The true motion of the sun was now used to calculate the jiéqì, which caused the intercalary month to often occur after the second through the ninth months, but rarely after the tenth through first months.

People infected with cholera often have diarrhea, and if this highly liquid stool, colloquially referred to as " rice-water ", contaminates water used by others, disease transmission may occur.

Outside of parapsychology, clairvoyance is often used to refer to other forms of anomalous cognition, most commonly the perception of events that have occurred in the past, or which will occur in the future ( known as retrocognition and precognition respectively ), or to refer to communications with the dead ( see Mediumship ).

In temperate mesic climates, natural regeneration of forest stands often will not occur in the absence of disturbance, whether natural or anthropogenic.

Several learning disabilities often occur with dyslexia, but it is unclear whether these learning disabilities share underlying neurological causes with dyslexia.

Hexameters also have a primary caesura — a break in sense, much like the function of a comma in prose — at one of several normal positions: After the first syllable in the third foot ( the " masculine " caesura ); after the second syllable in the third foot if the third foot is a dactyl ( the " feminine " caesura ); after the first syllable of the fourth foot ; or after the first syllable of the second foot ( the latter two often occur together in a line, breaking it into three separate units ).

Solid black and solid chocolate dachshunds occur, and even though dogs with such coloration are often considered handsome, the colors are nonstandard, that is, the dogs are frowned upon in the conformation ring in the US and Canada.

Mass-movement processes are always occurring continuously on all slopes ; some mass-movement processes act very slowly ; others occur very suddenly, often with disastrous results.

Some have noticed the conflicting themes that occur often throughout Qoheleth's thoughts and presented a few theories.

Earthquakes often occur in volcanic regions and are caused there, both by tectonic faults and the movement of magma in volcanoes.

" While social change may occur as an unintended by-product of technological change, advocates of new technologies often have promoted them as instruments of positive social change.

Variants of the five-card draw are often considered to be the most difficult poker games to master psychologically, due to the fact that no cards are open and that bluffs ( or semibluffs ) occur naturally at the draw of new cards.

Between countries, on the other hand, many of these barriers to the easy exchange of goods often do occur.

Teeth again flashing back at me, the driver released a deluge of Spanish in which `` amigo '' appeared every so often like an island in the stormy waves of surrounding sound.

As things turned out, however, we have not profited greatly from the lesson: instead of persistently following a national program of our own we have often been satisfied to be against whatever Soviet policy seemed to be at the moment.

He explains that there are sometimes honorable courtiers, but that too often a man who succeeds at court does not hesitate to sacrifice his Sovereign and nation to his own avarice and ambition.

Among the dolls was one that meant very much to the First Lady, who would pick it up and look at it often.

I saw Sedgwick often before his death at ninety-five, -- he had remarried at the age of ninety, -- and he asked me, when once I returned from Rome, if I knew the Cavallinis in the church of St. Cecilia in Trastevere.

It was often re-enacted in less wild form at the Wednesday night prayer meeting.

Here, too, she talked low, quirking her head at one or another of the places, most often at Izaak's armchair which faced her across the long table.

More often than not I have found easy excuse to leave my own work and stand at a respectable distance where I could watch this man transform raw nature into a composed, not imitative, painting.

Too often it is thought of at the last moment of new product introduction.

Dealers would do well to visit such a campground often, look at the equipment and talk with the campers.

The big factories which are relatively near the centers of our cities -- the rubber factories in Akron, Chrysler's Detroit plants, U.S. Steel's Pittsburgh works -- often began on these sites at a time when that was the edge of the city, yet close to transport ( river ), storage ( piers ) and power ( river ).

It is often stated that the submarine can be destroyed while building, at bases, in transit, and on station.

It flags such possible breakdowns of communication as rehearsed dialogue, the note of disapproval, ambivalence or ambiguity, annoyance, resentment, and the disinclination to speak at all -- this last often marked by a fade-in beginning of sentences.

Soup is often the important dish at supper.

More often, though, he is so accustomed to submitting to authority on the job without argument that he lives by the same rule at home.

Impressions often appear in a symbolic form and cannot be taken at face value.

It was a busy street, conveniently near the shopping center, and unattended horses and wagons were often left at the curbside.

The executive paid tribute to research and development and technology for their great contributions in the past, but he also cautioned industry that they tend to be great equalizers because they move at a fairly even pace within an industry and fail to give it the short-term advantage which it often needs.

But instead of delivering the ration -- either in actual commodities or in cash -- at intervals of perhaps two weeks or a month, the Belgians felt obliged to dole it out more often.

Strange, but true -- authenticity and realism often aren't related at all.

The drama itself -- and this seems to be lavishly true of Biblical drama -- often has hardly any relationship with authenticity at all.

Among the Moliere specialists of some years ago, Louis Jouvet tried to humanize some of the clowns, while Fernand Ledoux, often performing at the Comedie, made them more gross than Moliere may have intended.

Since an objective viewer might well conclude that this is not a situation that would often arise, the film's extensive discussion of the problem seems, at best, superfluous.