What's the difference between cavity and porosity?
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.
Porosity
Definition:
(n.) The quality or state of being porous; -- opposed to density.
Example Sentences:
(1) The results show that for frequencies in the range 0.4 to 1 MHz, porosity decreases up to 35% are associated with a reduction in attenuation of up to 500%, whereas the velocity increases by roughly 35% for the same changes.
(2) E(a) for diffusion across the less polar CTA membrane is smaller than E(a) for the CA membrane of equivalent porosity.
(3) The system subsides "en bloc," and it is common practice to offer a modification to the Stokes equation which takes into consideration some function of the porosity of the system.
(4) This coincided with increases in shell thickness and shell porosity as power functions of uterine time.
(5) In conclusion, no porosities are found on the surface of the various resins.
(6) Test specimens were scanned for porosities with an image analysis system before and after exposure to the oral milieu.
(7) The subsequent resorption of the calcium sulfate leaves controlled porosity for bone ingrowth and attachment to the nonresorbable HA particulate.
(8) The strips were tested for hardness, porosity, and transverse strength.
(9) The authors conclude that a very open luminal surface structure, and a high wall porosity, are significant factors of graft patency in small diameter vascular prostheses made of a porous material.
(10) Models based on outer surface protection by adsorbed agents, the dissolution-precipitation mechanism, and combinations of these two models, as well as models based on porosity or solubility gradients, are discussed in this paper together with their advantages and disadvantages.
(11) Incorporation of porosity into the grafts, which is necessary for tissue ingrowth, is expected to lessen this difference.
(12) The results indicated that certain sulphonic acid dyes increase the permeability of the respiratory tract epithelium, perhaps by increasing its porosity.
(13) At both observations, crowns were rated on 5-point Likert scales for outline form, porosity, smoothness, reflectance, texture, dullness, defects, and general esthetic appearances.
(14) The porosity and pore size distribution of differently sterilized hollow fiber Hemophan hemodialysis membranes were determined.
(15) The CO yields were found to increase with puff volume and tobacco moisture, decrease with increased paper porosity, but remain essentially constant with puff duration.
(16) We have developed a computer model of bone fluid flow that has led to the conclusion that the pattern and rate of fluid movement is governed by the pressure differential across the bone, the vascular architecture, and the porosity of the mineralized matrix.
(17) Subfractionation of the high molecular weight fraction using a high porosity gel (Sephadex G-200) gave four fractions, which were shown by amino acid analysis and by polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulfate to be distinct from GH and heterogenous.
(18) River water was filtered on filters of decreasing porosities (100-0.25 micron) that were pretreated with detergent to eliminate viral adsorption while retaining particulates.
(19) Three brands of autopolymerizing acrylic resin were mixed and polymerized three different ways and tested for transverse strength and porosity.
(20) It includes how to prevent the possible accelerated staining due to the porosity of the resin cement.