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Sinus   Listen
noun
Sinus  n.  (pl. L. sinus, E. sinuses)  
1.
An opening; a hollow; a bending.
2.
A bay of the sea; a recess in the shore.
3.
(Anat. & Zool.) A cavity; a depression. Specifically:
(a)
A cavity in a bone or other part, either closed or with a narrow opening.
(b)
A dilated vessel or canal.
4.
(Med.) A narrow, elongated cavity, in which pus is collected; an elongated abscess with only a small orifice.
5.
(Bot.) A depression between adjoining lobes. Note: A sinus may be rounded, as in the leaf of the white oak, or acute, as in that of the red maple.
Pallial sinus. (Zool.) See under Pallial.
Sinus venosus. (Anat.)
(a)
The main part of the cavity of the right auricle of the heart in the higher vertebrates.
(b)
In the lower vertebrates, a distinct chamber of the heart formed by the union of the large systematic veins and opening into the auricle.






Collaborative International Dictionary of English 0.48








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"Sinus" Quotes from Famous Books



... weaknesses of nature, and against hope to believe in hope—resigning ourselves to God's will, praying Him to choose for us, and dying in all things but faith and its blest consequents; ut ad officium cum periculo sinus prompti—and the danger and the resistance shall endear the office. For so have I known the boisterous north wind pass through the yielding air, which opened its bosom, and appeased its violence by entertaining it with easy compliance in all the region of its reception; but when the ...
— The Best of the World's Classics, Restricted to prose. Volume III (of X) - Great Britain and Ireland I • Francis W. Halsey

... early years every civilised man passes through that phase of character exhibited by the barbarous race from which he is descended. As the child's features—flat nose, forward-opening nostrils, large lips, wide-apart eyes, absent frontal sinus, etc.—resemble for a time those of the savage, so, too, do his instincts. Hence the tendencies to cruelty, to thieving, to lying, so general among children—tendencies which, even without the aid ...
— Essays on Education and Kindred Subjects - Everyman's Library • Herbert Spencer

... main, however, I am inclined to accept Bunsen's theory, especially as it seems to me to require subterranean cavities in which the water must be heated. Whether these are caverns, enlargements of tubes, or sinus channels, appears to me to be of no consequence, except as the interval or period of the geyser might be affected by the form of the reservoir holding ...
— Cave Regions of the Ozarks and Black Hills • Luella Agnes Owen

... dangers to be contended with are that the ethmoid cells may be mistaken for the sphenoids; that we may go too low and enter the pons and medulla; that, laterally, we may enter the cavernous sinus, and above, that we ...
— Under the Country Sky • Grace S. Richmond

... N. concavity, depression, dip; hollow, hollowness; indentation, intaglio, cavity, dent, dint, dimple, follicle, pit, sinus, alveolus[obs3], lacuna; excavation, strip mine; trough &c. (furrow) 259; honeycomb. cup, basin, crater, punch bowl; cell &c. (receptacle) 191; socket. valley, vale, dale, dell, dingle, combe[obs3], bottom, slade[obs3], strath[obs3], glade, grove, ...
— Roget's Thesaurus

... free from any disease. The head, on removing skull-cap, dura mater found natural; serous effusion to small extent under the arachnoid; very general congestion of the pia mater, giving both hemispheres of the brain a blackish appearance. The superior longitudinal sinus was filled with dark, inky-looking blood. In removing the pia mater, the convolutions of the brain were firm, and appeared natural. There was a light brown effusion into both lateral ventricles to the extent of about an ounce. Reid, when he first came to Preston-Hall, had inhaled ...
— An Investigation into the Nature of Black Phthisis • Archibald Makellar

... fairest portion of Italy. The greater part of it is an unbroken plain, celebrated in ancient as well as in modern times for its extraordinary beauty and fertility. The Bay of Naples—formerly called Sinus Cumanus and Puteolanus, from the neighboring cities of Cumae and Puteoli—is one of the most lovely spots in the world; and the softness of its climate, as well as the beauty of its scenery, attracted the Roman nobles, who had numerous villas ...
— A Smaller History of Rome • William Smith and Eugene Lawrence

... antiseptic curtain, under cover of which the abscess is evacuated by free incision, and the antiseptic paste to guard against decomposition occurring in the stream of pus that flows out beneath it; the dressing being changed daily until the sinus is closed. ...
— The Harvard Classics Volume 38 - Scientific Papers (Physiology, Medicine, Surgery, Geology) • Various

... forest to Chikulu, S. and by W., 4 hours 25 m. Manyara called, and is going with us to-morrow. Jangiange presented a leg of Kongolo or Taghetse, having a bunch of white hair beneath the orbital sinus. Bought food and served out rations to the men for ten days, as water is scarce, and but little food can be obtained at the villages. The country is very dry and wintry-looking, but flowers shoot out. First clouds ...
— The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume II (of 2), 1869-1873 • David Livingstone

... Nat. iii. 10) says: 'Dein sinus Scylacius et Scyllacium, Scylletium Atheniensibus, cum conderent, dictum: quem locum occurrens Terinaeus sinus peninsulam efficit: et in ea portus qui vocatur Castra Annibalis, nusquam angustiore Italia XX ...
— The Letters of Cassiodorus - Being A Condensed Translation Of The Variae Epistolae Of - Magnus Aurelius Cassiodorus Senator • Cassiodorus (AKA Magnus Aurelius Cassiodorus Senator)

... rhyme, 'sotto le amate fronde,' is borrowed from the 23rd canto of the 'Paradiso.' In the second line, 'Stellato ammanto' is Claudian's 'stellantes sinus' applied to the heaven. When we reach the garden of Venus we find whole passages translated from Claudian's 'Marriage of Honorius,' and from ...
— Sketches and Studies in Italy and Greece, Second Series • John Addington Symonds

... Pyrrha and Antissa, about Palus Meotis; and also the city Burys, in the Corinthian Gulf, commonly called Sinus Corinthiacus, have been swallowed up with the sea, and are not at this day to be discerned: by which accident America grew to be unknown, of long time, unto us of the later ages, and was lately discovered ...
— Voyages in Search of the North-West Passage • Richard Hakluyt

... account for physical differences of appearance. Like the tribes of the Darling and the Murray, and indeed like the aborigines of the whole continent, they have the quick and deep set eye, the rapidly retiring forehead, and the great enlargement of the frontal sinus, the flat nose and the thick lip. It is quite true that many have not the depression of the head so great, but in such cases I think an unusual proportion of the brain lies behind the ear. In addition, however, to the above physiognomical resemblances, they have the ...
— Expedition into Central Australia • Charles Sturt

... these circumstances, the operation of trephining was performed on the 7th of July, 1825, but with some difficulty, from the irregular thickness of the bone, and from the saw having to pass through the upper part of the frontal sinus. "The dura mater was unfortunately cut through for one-half the circumference of the circle." The parts were found more vascular than usual, and the under surface had a ridge corresponding to the internal depression, but too slight to have caused ...
— North American Medical and Surgical Journal, Vol. 2, No. 3, July, 1826 • Various

... that Sinus and Orion come To middle heaven, and when Aurora—she O' the rosy fingers—looks inquiringly Full on Arcturus, straightway gather home The general vintage. And, I charge you, see All, in the sun ...
— The Letters of Elizabeth Barrett Browning (1 of 2) • Frederic G. Kenyon

... motion of every particle of the water is the algebraic sum of all the motions imparted to it. If crest coincide with crest and furrow with furrow, the wave is lifted to a double height above its sinus; if furrow coincide with crest, the motions are in opposition and their sum is zero. We have then still water. This action of wave upon wave is technically called interference, a ...
— Six Lectures on Light - Delivered In The United States In 1872-1873 • John Tyndall

... of this group still exist: kangaroos, pouched rats and pouched dogs. The marsupial animals developed, very probably, in the mesolithic epoch (during the Jura) out of the cloacal animals; by the division of the cloaca into the rectum and the urogenital sinus, by the formation of a nipple on the mammary gland, and the ...
— Was Man Created? • Henry A. Mott

... from Jesse informed them that he had another catfish on his throw line, and soon he had it flopping on the sand. He killed it stone dead by thrusting a stiff straw back into the brain through the "little hole in its face," as he called the sinus which leads into the ...
— The Young Alaskans on the Missouri • Emerson Hough

... Novae Hollandiae angustis rorismarini foliis. This plant is very much branched and seems to be woody. The flowers stand on very short pedicules, arising from the sinus of the leaves, which are exactly like rosemary, only less. It tastes very ...
— A Voyage to New Holland • William Dampier

... ingrained burning, as though it had become a permanent colour. Mr. Corbeck had a big head, massive and full; with shaggy, dark red-brown hair, but bald on the temples. His forehead was a fine one, high and broad; with, to use the terms of physiognomy, the frontal sinus boldly marked. The squareness of it showed "ratiocination"; and the fulness under the eyes "language". He had the short, broad nose that marks energy; the square chin—marked despite a thick, unkempt beard—and massive ...
— The Jewel of Seven Stars • Bram Stoker

... was not wholly crushed by the destruction of its author, Amorges, a bastard son of Pissuthnes, continued to maintain himself in Caria, where he was master of the strong city of Iasus, on the north coast of the Sinus Iasicus, and set the power of Tissaphernes at defiance. Having probably inherited the wealth of his father, he hired a number of Peloponnesian mercenaries, and succeeded in maintaining himself as an independent monarch for ...
— The Seven Great Monarchies Of The Ancient Eastern World, Vol 5. (of 7): Persia • George Rawlinson

... bathing, was killed by a fabulous animal, a kind of kelpie; as Orion, in Greece, was killed by the Scorpion. Like Orion, he was placed among the stars. The Australians have a constellation named Eagle, but he is our Sinus, or Dog-star. ...
— Custom and Myth • Andrew Lang

... and Melinde, two degrees of Southerly latitude, and so vp to the Streight of Babell-Mandell at the entring of the red sea, all vpon the East coast of Africa, from whence they put off at the Cape Guarda Fu, and passed the great gulfe of Arabia and the Indian Sea East to Sinus Persicus, and the Island of Ormus, and so passing the large and great riuer Indus, where he hath his fall into the maine Ocean, in 23. degrees and an halfe, vnder the tropike of Cancer, of Septentrional latitude, they made their course againe directly ...
— The Principal Navigations, Voyages, Traffiques and Discoveries of - the English Nation. Vol. XIII. America. Part II. • Richard Hakluyt

... been long tossed in a tempest, if our masts be standing, and we have still sail and tackling enough to carry us to our port, it is no matter for the want of streamers and topgallants; utere velis totes pande sinus. A gentleman in our late civil wars, when his quarters were beaten up by the enemy, was taken prisoner and lost his life afterwards, only by staying to put on a band and adjust his periwig. He would escape like a person of quality, ...
— Cowley's Essays • Abraham Cowley

... taints of sycosis, scrofula, psora, syphilis; mercurianism, cinchonism, iodism and many other forms of chronic poisoning. Fevers, inflammations, skin eruptions, chronic sinus discharges, ulcers, abscesses, germs, bacteria, parasites, etc. Mechanical subluxations, distortions and displacements of bony structures, muscles and ligaments; weakening and loss of reason, will, and self-control resulting in negative, sensitive and ...
— Nature Cure • Henry Lindlahr

... Crisum B Mare Fercunditatis C Mare Nectaris D Mare Tranquilitatis E Mare Serenitatis F Mare Imbrium G Sinus Iridum H Oceanus Procellarum I Mare Humorum K Mare Nubium V Altai Mountains W Mare Vaporum X Apennine Mountains ...
— Astronomy for Amateurs • Camille Flammarion

... variously. Sometimes a single robe of the amplest dimensions seems to envelop the whole form, which it completely conceals with heavy folds of drapery.[1215] The long petticoat is sleeved, and gathered into a sinus below the breasts, about which it hangs loosely. Sometimes, on the contrary, the petticoat is perfectly plain, and has no folds.[1216] Occasionally a second garment is worn over the gown or robe, which covers the left shoulder and the lap, descending to the knees, or somewhat lower.[1217] The ...
— History of Phoenicia • George Rawlinson

... foot caught in a bit of wire, my left did not give way in time, and I fell, with a small wooden hat-box in my hand, full on the floor. The corner of the hat-box struck me just below the second frontal sinus, and I ...
— The Man Without a Country and Other Tales • Edward E. Hale

... and his crew, acting on an operational plan which had been scathingly disapproved by his superiors, went to the rescue ... the successful rescue ... of a three-man Lunar exploration party which had become lost near the south scarp of Sinus Iridum. The officer's name, I am almost certain, was Captain Steven Darius ... the Senator's grandfather, I believe ... an officer the Navy ...
— If at First You Don't... • John Brudy

... interpreted this response in favour of the people of the rocky island of Aegina—certainly not their nearest neighbours, if the question were to be settled by geographers. The wealthy inhabitants of that illustrious isle, which, rising above that part of the Aegean called Sinus Saronicus, we may yet behold in a clear sky from the heights of Phyle,—had long entertained a hatred against the Athenians. They willingly embraced the proffered alliance of the Boeotians, and the two states ravaged in concert the coast of Attica. While the Athenians ...
— Athens: Its Rise and Fall, Complete • Edward Bulwer-Lytton

... yet discover of Falconer's eyes was, that they were large, and black as night, and set so far back in his head, that each gleamed out of its caverned arch like the reversed torch of the Greek Genius of Death, just before going out in night. Either the frontal sinus was very large, or his observant ...
— David Elginbrod • George MacDonald

... greatest Asia, And tremble, when ye hear this scourge will come That whips down cities and controlleth crowns, Adding their wealth and treasure to my store. The Euxine sea, north to Natolia; The Terrene, west; the Caspian, north north-east; And on the south, Sinus Arabicus; Shall all be loaden with the martial spoils We will convey with us to Persia. Then shall my native city, Samarcanda, And crystal waves of fresh Jaertis' stream, The pride and beauty of her princely seat, Be ...
— The Growth of English Drama • Arnold Wynne

... sunk, with an antiquated area and one ? or two ? large teeth in each valve; ligament external, large; impressions of the abducter muscles strong, nearly equal, united by the impression of the mantle, at the posterior extremity of which is a small shallow sinus; no lunette. ...
— Three Expeditions into the Interior of Eastern Australia, Vol 1 (of 2) • Thomas Mitchell

... are now usually placed under the genus Polystichum, which has the sori round and covered with a circular indusium fixed to the frond by its depressed center. The wood ferns, on the other hand, have a kidney-shaped indusium attached to the fronds by the sinus. (Polystichum is the Greek for many rows, the sori of some ...
— The Fern Lover's Companion - A Guide for the Northeastern States and Canada • George Henry Tilton

... viso Virgineei tumuere sinus, innuptaque mater Arcano stupuit compleri viscera partu, Auctorem paritura suum. Mortalia corda Artificem texere poli, latuitque sub uno Pectore, qui totum late ...
— The Complete Poetical Works of Percy Bysshe Shelley Volume I • Percy Bysshe Shelley

... rhomboidal, with a sinuous depression on the outer and posterior aspect. Each furnished with a sessile avicularium at the upper and outer angle in front, and with a vibraculum placed in the sinus on the outer and lower part of the cell behind. Opening oval, or ...
— Narrative Of The Voyage Of H.M.S. Rattlesnake, Commanded By The Late Captain Owen Stanley, R.N., F.R.S. Etc. During The Years 1846-1850. Including Discoveries And Surveys In New Guinea, The Louisiade • John MacGillivray

... pain and swelling will show themselves about the top of the hoof. As a rule a Quittor develops slowly and is more or less painful during the first stages. After the sinus is formed and the pus discharges, the inflammation generally subsides. Its healing process is often delayed due to the diseased portion of the ...
— The Veterinarian • Chas. J. Korinek



Words linked to "Sinus" :   passage, transverse sinus, channel, Phocoena sinus, sinus coronarius, bodily cavity, cavum, cavity, cavernous sinus, sinus paranasales, sinus sigmoideus, sinus headache, ethmoid sinus, sinus cavernosus, fistula, passageway, sigmoid sinus, sinus rectus, sinus venosus sclerae



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