| cochlear window | An opening on the medial wall of the middle ear leading into the cochlea, closed in life by the secondary tympanic membrane. Synonym: cochlear window, fenestra of the cochlea, fenestra rotunda, round window. (05 Mar 2000) |
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| window | 1. An opening in the wall of a building for the admission of light and air, usually closed by casements or sashes containing some transparent material, as glass, and capable of being opened and shut at pleasure. "I leaped from the window of the citadel." (Shak) " Then to come, in spite of sorrow, And at my window bid good morrow." (Milton) 2. The shutter, casement, sash with its fittings, or other framework, which closes a window opening. 3. A figure formed of lines crossing each other. "Till he has windows on his bread and butter." (King) French window, the common European martin. Window tax, a tax or duty formerly levied on all windows, or openings for light, above the number of eight in houses standing in cities or towns. Origin: OE. Windowe, windoge, Icel. Vindauga window, properly, wind eye; akin to Dan. Vindue. See Wind, and Eye. Source: Websters Dictionary (01 Mar 1998) |
| window level | The CT number setting in Hounsfield units of the midpoint of the window width, which is the gray scale of the image; a typical window level for imaging the lungs if -500; for the abdomen, 0. (05 Mar 2000) |
| window width | The range of CT numbers (in Hounsfield units) included in the gray scale video display of the CT image, ranging from 1 to 2000 or 3000, depending on the type of machine. See: window level. (05 Mar 2000) |
| soft tissue window | mediastinal window |
| oval window | Fenestra of the vestibule; an oval opening in the medial wall of the middle ear leading into the vestibule. Normally it is covered by the base of the stapes. (12 Dec 1998) |
| tachycardia window | In paroxysmal tachycardia of the reentry type, the interval of time (the window) between the earliest and latest premature activation that can excite the paroxysm. (05 Mar 2000) |
| little fossa of the cochlear window | A depression on the medial wall of the middle ear which has the fenestra cochleae (round window) in its lower portion. Synonym: fossula rotunda, little fossa of the cochlear window. (05 Mar 2000) |
| little fossa of the vestibular window | A depression on the medial wall of the middle ear which has the fenestra vestibulae (oval window) in its lower portion. Synonym: Huguier's sinus, little fossa of the vestibular window, little fossa of the vestibular round window. (05 Mar 2000) |
| lung window | CT settings of window level and width appropriate to showing lung detail; soft tissues are white or nearly so. Mediastinal window, CT settings of window level and width appropriate to showing soft tissue structures; the lungs become black at these settings. Synonym: soft tissue window. (05 Mar 2000) |
| adolescent round back | Osteochondrosis of the vertebral epiphyses in children. (12 Dec 1998) |
| artery of round ligament of uterus | Origin, inferior epigastric; distribution, round ligament of uterus. Synonym: arteria ligamenti teretis uteri. (05 Mar 2000) |
| round | On every side of, so as to encompass or encircle; around; about; as, the people atood round him; to go round the city; to wind a cable round a windlass. "The serpent Error twines round human hearts." (Cowper) Round about, an emphatic form for round or about. "Moses . . . Set them [The elders] round about the tabernacle." To come round, to gain the consent of, or circumvent, (a person) by flattery or deception. 1. To make circular, spherical, or cylindrical; to give a round or convex figure to; as, to round a silver coin; to round the edges of anything. "Worms with many feet, which round themselves into balls, are bred chiefly under logs of timber." (Bacon) "The figures on our modern medals are raised and rounded to a very great perfection." (Addison) 2. To surround; to encircle; to encompass. "The inclusive verge Of golden metal that must round my brow." (Shak) 3. To bring to fullness or completeness; to complete; hence, to bring to a fit conclusion. "We are such stuff As dreams are made on, and our little life Is rounded with a sleep." (Shak) 4. To go round wholly or in part; to go about (a corner or point); as, to round a corner; to round Cape Horn. 5. To make full, smooth, and flowing; as, to round periods in writing. To round in To haul up; usually, to haul the slack of (a rope) through its leading block, or to haul up (a tackle which hangs loose) by its fall. To collect together (cattle) by riding around them, as on cattle ranches. Origin: Rounded; Rounding. To whisper. "The Bishop of Glasgow rounding in his ear, "Ye are not a wise man," . . . He rounded likewise to the bishop, and said, "Wherefore brought ye me here?"" (Calderwood) Origin: From Roun. 1. Having every portion of the surface or of the circumference equally distant from the center; spherical; circular; having a form approaching a spherical or a circular shape; orbicular; globular; as, a round ball. "The big, round tears." "Upon the firm opacous globe Of this round world." (Milton) 2. Having the form of a cylinder; cylindrical; as, the barrel of a musket is round. 3. Having a curved outline or form; especially, one like the arc of a circle or an ellipse, or a portion of the surface of a sphere; rotund; bulging; protuberant; not angular or pointed; as, a round arch; round hills. "Their round haunches gored." 4. Full; complete; not broken; not fractional; approximately in even units, tens, hundreds, thousands, etc.; said of numbers. "Pliny put a round number near the truth, rather than the fraction." (Arbuthnot) 5. Not inconsiderable; large; hence, generous; free; as, a round price. "Three thousand ducats; 'tis a good round sum." (Shak) "Round was their pace at first, but slackened soon." (Tennyson) 6. Uttered or emitted with a full tone; as, a round voice; a round note. 7. Modified, as a vowel, by contraction of the lip opening, making the opening more or less round in shape; rounded; labialized; labial. 8. Outspoken; plain and direct; unreserved; unqualified; not mincing; as, a round answer; a round oath. "The round assertion." "Sir Toby, I must be round with you." (Shak) 9. Full and smoothly expanded; not defective or abrupt; finished; polished; said of style, or of authors with reference to their style. "In his satires Horace is quick, round, and pleasant." (Peacham) 10. Complete and consistent; fair; just; applied to conduct. "Round dealing is the honor of man's nature." (Bacon) at a round rate, rapidly. In round numbers, approximately in even units, tens, hundreds, etc.; as, a bin holding 99 or 101 bushels may be said to hold in round numbers 100 bushels. <medicine> Round bodies, one turn of a rope round a timber, a belaying pin, etc. To bring up with a round turn, to stop abruptly. Synonym: Circular, spherical, globular, globase, orbicular, orbed, cylindrical, full, plump, rotund. Origin: OF. Roond, roont, reond, F. Rond, fr. L. Rotundus, fr. Rota wheel. See Rotary, and cf. Rotund, roundel, Rundlet. Source: Websters Dictionary (01 Mar 1998) |
| round atelectasis | <syndrome> Collapse of part of the lung caught between shrinking fibrous pleura scars, sometimes resulting from pleural asbestosis. Synonym: round atelectasis. (05 Mar 2000) |
| round bur | A dental bur with the cutting blades spherically arranged. (05 Mar 2000) |