What's the difference between cavity and vacuum?

Cavity


Definition:

  • (n.) Hollowness.
  • (n.) A hollow place; a hollow; as, the abdominal cavity.

Example Sentences:

  • (1) The content of the cavities was not stained by any of the immunocytochemical reactions applied.
  • (2) Membranes of this material were filled with islets of Langerhans and implanted in the peritoneal cavity of rats.
  • (3) In three of these patients this was associated with the presence of a previously well established abscess cavity.
  • (4) Our experience indicates that lateral rhinotomy is a safe, repeatable and cosmetically sound procedure that provides and excellent surgical approach to the nasal cavity and sinuses.
  • (5) All patients with localized subaortic hypertrophy had left ventricular hypertrophy (left ventricular mass or posterior wall thickness greater than 2 SD from normal) with a normal size cavity due to aortic valve disease (2 patients were also hypertensive).
  • (6) In the 12 prognostically most favourable ears the cavity was repneumatized.
  • (7) Scintigraphic pictures of the uterine cavity and oviducts were obtained with a Jumbo Toshiba gamma-camera; they were subsequently analysed by an Informatek SIMIS-3 data processing system.
  • (8) The cercaria, microcercous in type, is liberated and actively penetrates a second terrestrial pulmonate where development to the free metacercarial stage takes place in the pericardial cavity.
  • (9) A new technique to obliterate the mastoid volume or to reduce an old cavity by means of hydroxyapatite granulate is presented.
  • (10) In general, air from the mediastinum far more often enters the left pleural cavity than the right one.
  • (11) The advantages of the incision through the pars plana ciliaris are (1) easier approach to the vitreous cavity, (2) preservation of the crystalline lens and an intact iris, and (3) circumvention of the corneal and chamber angle complications sometimes associated with the transcorneal approach.
  • (12) The rational surgical methods of treatment in 85 patients with suppurative hepatic echinococcosis penetrating into the abdomen cavity are presented.
  • (13) Finally, carcinoma of the oral cavity in India can be said to be at least two diseases.
  • (14) A pilot study was undertaken to determine the prevalence of gas in the puerperal endometrial cavity and to determine whether this finding has any relationship to the mode of delivery or to the development of puerperal endometritis.
  • (15) The authors present a quite unused technique that helps to simplify the cavity preparation in Operative Dentistry.
  • (16) In several eyes, apparent intraretinal blood-filled cavities were seen acutely in the macular region and elsewhere.
  • (17) These views are very practical for inferior synovial cavity arthrograms performed in the dental operatory since panoramic radiographic machines have become common in modern dental practices.
  • (18) Aspergillomas generally arise from saprophytic colonization of a pre-existing pulmonary cavity with Aspergillus, and may be complicated by life-threatening hemoptosis.
  • (19) Failues of PAFD occurred primarily with the presence of phlegmonous collections and cavities with fistulous connection to bowel.
  • (20) n. from the body cavity of Scomber scombrus from the Indian ocean is described.

Vacuum


Definition:

  • (n.) A space entirely devoid of matter (called also, by way of distinction, absolute vacuum); hence, in a more general sense, a space, as the interior of a closed vessel, which has been exhausted to a high or the highest degree by an air pump or other artificial means; as, water boils at a reduced temperature in a vacuum.
  • (n.) The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.; as, a vacuum of 26 inches of mercury, or 13 pounds per square inch.

Example Sentences:

  • (1) During a single reversal trial of two 2-wk experimental periods, teats of all glands of 12 Holstein cows were subjected to a milking routine conducive to large vacuum fluctuations and flooded teat cups.
  • (2) The construction and use of a simple and inexpensive vacuum cassette for this purpose is described.
  • (3) But no one was sure, and in this information vacuum the virus reached nearby towns and crossed borders.
  • (4) Once frozen the specimen must be handled in such a way that it becomes vacuum compatible for subsequent analysis.
  • (5) Increased wear-resistance of microsurgical instruments by facing, electric spark alloying and vacuum surfacing increases the working life of the instruments by 1.5-3 times.
  • (6) It is concluded that most annulus vacuums are a degenerative phenomenon at the attachment of the annulus to bone.
  • (7) Measurements were made of their absolute sensitivity and linearity, and their response to various UVR sources was compared to that of Hilger Schwarz FT17 and FT32 vacuum compensated thermopiles.
  • (8) Monodispersed N- and C-protected linear homo-oligomethionines (n = 2- -7) are studied by measurements of circular dichroism in the vacuum ultraviolet region.
  • (9) Thirty-nine women were divided into four groups: 7 women were given 400mug 15-me-PGF2alpha extra-amniotically one hour prior to vacuum aspiration; 14 were pretreated with oral indomethacin (50 mg X4) over 24 hours; 7 were given indomethacin (50mg X 6) over 36 hours and 11 served as controls.
  • (10) The vacuum flask method of using boiling water to decontaminate soft contact lenses is better and less expensive than other ways of using moist heat and can be safely and effectively applied under most domestic circumstances.
  • (11) The media are more pervasive, seeping everywhere into the vacuum left by the shrinking of the old powers.
  • (12) It was established that the vacuum treatment of purulent wounds was effective but after surgical treatment.
  • (13) In following these procedures we opted for a somewhat different approach to applying hypochlorite, water, alcohol, and alkane; namely, eggs were placed between two Nucleopore filters, and the fluids drawn sequentially through the filters by vacuum.
  • (14) It involved preservation of unstained chromosome slides in a vacuum desiccator up to 18 months, Q-staining, destaining, and treatment in Hanks' solution, pH 5.1, at 85 degrees C for 13 min, and acridine orange staining.
  • (15) Hens from both strains performed vacuum nest-building behaviour before laying.
  • (16) • Led to the loss of talented senior NHS leaders by creating an array of new organisations, each responsible for areas such as hospitals or public health, meaning that no one is in overall charge and the NHS now suffers from a leadership vacuum.
  • (17) Use of a vacuum device on the mixed acrylic resin works as well as pressure polymerizing.
  • (18) A difference density map obtained from data on purple membrane films at 15% relative humidity in 2H2O, and the same sample after complete drying in vacuum, revealed that about eight of these protons belong to four water molecules.
  • (19) Vacuuming of carpets showed only a slight reduction in the number of recoverable microorganisms.
  • (20) Merkel herself has been accused of creating a vacuum on the right due to her consensus style of politics, which the AfD, and now Pegida – to whom the AfD has openly given its backing – have willingly managed to fill.