What's the difference between porous and sponge?

Porous


Definition:

  • (n.) Full of pores; having interstices in the skin or in the substance of the body; having spiracles or passages for fluids; permeable by liquids; as, a porous skin; porous wood.

Example Sentences:

  • (1) Recently reported unfavorable clinical results (i.e., a high incidence of pain) have led to the discontinuation of one trial of porous polyethylene.
  • (2) A porous structure, possibly involving a capsid and RNA complex, is envisioned.
  • (3) The commonly used line-to-line reaming technique was compared to an underreaming technique using both four-fifths and one-third porous-coated anatomic medullary locking (AML) implants.
  • (4) A novel type of ion exchanger was prepared by multipoint covalent binding of polystyrene chains onto the surface of porous silica followed by polymer-analogous modification of the bonded layer.
  • (5) On the buccal and lingual aspects of the implants, both the absolute lengths and CLF were significantly smaller for the porous-coated design.
  • (6) The usefulness of porous tarflen materials (tarflen--Polish name of teflon produced by Zakłady Azotowe in Tarnów, Poland) for this application was evaluated by comparing their properties with those of American porous teflon membranes used in membrane oxygenators.
  • (7) Epidermal growth factor added to cultures on solid or porous supports caused proliferation of epithelial-type cells to give a confluent monolayer but did not increase the expression of differentiated function.
  • (8) Porous polyethylene was thus better incorporated into the soft tissues than silicone rubber as long as the overlying soft tissues were not stressed by an oversized implant or inadequate soft tissue coverage.
  • (9) In earlier studies, we have shown that porous (60 micron internodal distance) PTFE grafts develop a complete endothelial layer 2 weeks after being implanted in baboons.
  • (10) The N supplements had no significant effects on rumen pH, concentrations of volatile fatty acids, their molar proportions or the disappearance of DM or N from porous synthetic-fibre bags.
  • (11) 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.
  • (12) Monday’s budget request, an increase of 2.2% on last year, demonstrates a shift in Japan’s security emphasis from its northern maritime border with Russia to its long and porous southern reaches.
  • (13) This theoretical analysis is in excellent agreement with experimental data obtained with glucose oxidase immobilized on a porous collagen membrane.
  • (14) The porous implant volume sampled within 2.5 mm of underlying cortex contained 33.0% HA matrix and 35.7% bone.
  • (15) Interactions among the important constituents of the fibrocartilage matrix cause meniscal tissue to behave as a fiber-reinforced, porous, permeable composite material similar to articular cartilage, in which frictional drag caused by fluid flow governs its response to dynamic loading.
  • (16) These cases show that rigid fixation with good bony ingrowth does not guarantee the clinical success of a porous-coated uncemented femoral stem.
  • (17) The linear solvent strength model of Snyder was applied to describe fast protein separations on 2.1-micron non-porous, silica-based strong anion exchangers.
  • (18) The regional-development of heterotopic bone around the hip and the influence of postoperative prophylaxis with antiinflammatory drugs were studied in 66 patients treated with 74 noncemented, porous-coated total hip arthroplasties (THA) using the McFarland approach.
  • (19) A new process of plasma-spraying hydroxyapatite--an entirely biocompatible, bioceramic material--onto porous, titanium alloy components promotes bone ingrowth into the components resulting in implant fixation, which is superior to current methods of cemented or cementless fixation.
  • (20) The mechanical strength of the porous coating on the prosthetic surface should be improved and the prosthesis should be tested in limited clinical studies before cementless fixation can be recommended.

Sponge


Definition:

  • (n.) Any one of numerous species of Spongiae, or Porifera. See Illust. and Note under Spongiae.
  • (n.) The elastic fibrous skeleton of many species of horny Spongiae (keratosa), used for many purposes, especially the varieties of the genus Spongia. The most valuable sponges are found in the Mediterranean and the Red Sea, and on the coasts of Florida and the West Indies.
  • (n.) One who lives upon others; a pertinaceous and indolent dependent; a parasite; a sponger.
  • (n.) Any spongelike substance.
  • (n.) Dough before it is kneaded and formed into loaves, and after it is converted into a light, spongy mass by the agency of the yeast or leaven.
  • (n.) Iron from the puddling furnace, in a pasty condition.
  • (n.) Iron ore, in masses, reduced but not melted or worked.
  • (n.) A mop for cleaning the bore of a cannon after a discharge. It consists of a cylinder of wood, covered with sheepskin with the wool on, or cloth with a heavy looped nap, and having a handle, or staff.
  • (n.) The extremity, or point, of a horseshoe, answering to the heel.
  • (v. t.) To cleanse or wipe with a sponge; as, to sponge a slate or a cannon; to wet with a sponge; as, to sponge cloth.
  • (v. t.) To wipe out with a sponge, as letters or writing; to efface; to destroy all trace of.
  • (v. t.) Fig.: To deprive of something by imposition.
  • (v. t.) Fig.: To get by imposition or mean arts without cost; as, to sponge a breakfast.
  • (v. i.) To suck in, or imbile, as a sponge.
  • (v. i.) Fig.: To gain by mean arts, by intrusion, or hanging on; as, an idler sponges on his neighbor.
  • (v. i.) To be converted, as dough, into a light, spongy mass by the agency of yeast, or leaven.

Example Sentences:

  • (1) The popularly used procedure in Great Britain is that in which a sheet of Ivalon sponge is sutured to the sacrum and wrapped around the rectum thus anchoring it in place.
  • (2) Similar sponges were reintroduced into four ewes at each of the intervals 1, 3, 5, and 7 days later; three ewes served as controls.
  • (3) After washing for 7 days and freeze drying the resultant collagen sponge was tested with regard to mechanical, physical, enzymatic degradation properties and biological responses.
  • (4) The substance benzalconium chloride (BZC) was contained in vaginal sponges (n = 46), pessaries (n = 4) and cream (n = 6) at a dose rate of 1.18%.
  • (5) Depending on depth regions from which the sponges were collected, differences in occurrence of metabolites were observed.
  • (6) Turn the sponge out onto the paper, then carefully peel off the lining paper.
  • (7) The concentrations of NaB3H4-reducible collagen cross-links were determined at the time when collagen fibres and bundles are observed in electron micrographs of connective tissue developing around the implanted Ivalon sponge in adult male rats.
  • (8) Nonetheless, these donor-reactive CTL rarely constitute more than 0.5% of the T cells recovered from sponge allografts, even at the peak of the rejection response.
  • (9) Attention is given to the poor design of a disposable cellulose sponge that results in frequent hooking of sutures during microsurgical procedures.
  • (10) The effects of epidermal growth factor (EGF) on granulation-tissue formation and collagen-gene expression were studied in experimental sponge-induced granulomas in rats.
  • (11) In spite of the growing variety of materials being used in the manufacture of intraabdominal packs (sponges), no data have been published on their adhesion-producing properties.
  • (12) Of the 19 women, 4 of 6 sponge users (66%) developed a bacterial vaginosis recurrence (RR 2.93, 95% CI: 1.43-6.02).
  • (13) Explants of a human sacral chordoma were successfully maintained on collagen-coated coverslips, gelfoam sponge matrices, and Millipore filter platforms for up to 30 days.
  • (14) A fraction prepared from normal human plasma inhibits the migration of polymorphonuclear and mononuclear leucocytes into inflammatory exudates produced by the intrapleural injection of carrageeman or turpentine by the subcutaneous implantation of polyvinyl sponges in the rat.
  • (15) These sponges were dissociated both mechanically, which leaves the factor on the cell surface, and by Humphrey's (1963) method, which isolates the factor from the cells.
  • (16) Five new 20,24-bishomoscalarane sesterterpenes, phyllactones A [1], B [2], C [3], D [4], and E [5], are reported from the sponge Phyllospongia foliascens collected in the waters of the Nansha Islands in the South China Sea.
  • (17) To determine if alloantigen-induced .N = O production might be operative in vivo, cells that had infiltrated a rat sponge matrix allograft were tested for de novo .N = O production as well as .N = O production upon restimulation with the sensitizing alloantigen.
  • (18) The fine structure of four glioblastomas and two cerebellar astrocytomas maintained in organ culture systems up to 137 days and 43 days, respectively, using either a three-dimensional sponge foam matrix technic or a Millipore filter platform technic, is described and compared.
  • (19) The intensity-measuring device in both apparatuses has a mobile disk attached to a motionless axis by a spiral spring; the clamps have fixing screws in the butts of a spong.
  • (20) Initially, 4-5 days post-operative, the plasma clot maintained the grafted cells in a loose sponge-like sack at the site of implantation.