What's the difference between compression and expression?

Compression


Definition:

  • (n.) The act of compressing, or state of being compressed.

Example Sentences:

  • (1) In this study of ten consecutive patients sustaining molten metal injuries to the lower extremity who were treated with excision and grafting, treatment with compression Unna paste boot was compared with that with conventional dressing.
  • (2) The compressive strength of bone is proportional to the square of the apparent density and to the strain rate raised to the 0.06 power.
  • (3) Ninety-five per cent were suffering from chiasmal compression pre-operatively.
  • (4) The superior mesenteric artery and the abdominal aorta made the mean angle of 35.5 degree in patients with normal left renal vein, the mean angle of 45.4 degrees in those with left renal vein compression without nutcracker phenomenon, and the mean angle of 11.9 degrees in those with nutcracker phenomenon.
  • (5) Combined SEM and TEM examination of the endothelium of compressed segments revealed "craters" and "balloons", blebs and vacuoles, swollen mitochondria, dilated granular endoplasmic reticulum, and subendothelial edema.
  • (6) Conservatively treated compressed fractures of the distal radius dorsal metaphysis healed despite primarily good reduction and consequent treatment with a decrease in dorsal length.
  • (7) Fish were trained monocularly via the compressed or the normal visual field using an aversive classical conditioning model.
  • (8) A total of 199 compressions were performed without complications.
  • (9) In contrast, boundary layer diffusion is operative in the release from the matrixes prepared by compression of physical mixtures.
  • (10) This was worsened by the right side compression of trachea end part, due to the abnormal left pulmonary artery as demonstrated by pulmonary angiography.
  • (11) The evolution of tissue damage in compressive spinal cord injuries in rats was studied using an immunohistochemical technique and by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) analysis.
  • (12) Surrounding parenchyma may be partially compressed.
  • (13) Adjunctive usage of elastic stockings and intermittent compression pneumatic boots in the perioperative period was helpful in controlling leg swelling and promoting wound healing.
  • (14) In the remaining 4 patients MRI provided support for the diagnosis of MS by demonstrating the cervical spinal cord plaques while excluding other potential causes of myelopathy, such as spinal cord compression and intramedullary tumor.
  • (15) Manual compression of the bladder elicited urine leakage from the urethra, and the urethral closure pressure was markedly low.
  • (16) It is very important to look out for neurogenic disorders as well as early signs of vascular compression in order to prevent ischaemic injuries.
  • (17) The influence of stretch and radial compression on the width of mechanically skinned fibers from the semitendinosus muscle of the frog (R. pipiens) was examined in relaxing solutions with high-power light microscopy.
  • (18) Plain-film chest radiographs subsequently demonstrated mediastinal masses causing extrinsic tracheal compression.
  • (19) Type II had the anastomosis too high on the gastric pouch, type III was due to an obstructing marginal ulcer, and type IV had a pouchlike deformity develop in the upper jejunum at the anastomosis that gradually compressed the outflow tract.
  • (20) To induce thrombosis we damaged the vessel wall over a short segment by compression and exposed the damaged media to the blood stream.

Expression


Definition:

  • (n.) The act of expressing; the act of forcing out by pressure; as, the expression of juices or oils; also, of extorting or eliciting; as, a forcible expression of truth.
  • (n.) The act of declaring or signifying; declaration; utterance; as, an expression of the public will.
  • (n.) Lively or vivid representation of meaning, sentiment, or feeling, etc.; significant and impressive indication, whether by language, appearance, or gesture; that manner or style which gives life and suggestive force to ideas and sentiments; as, he reads with expression; her performance on the piano has expression.
  • (n.) That which is expressed by a countenance, a posture, a work of art, etc.; look, as indicative of thought or feeling.
  • (n.) A form of words in which an idea or sentiment is conveyed; a mode of speech; a phrase; as, a common expression; an odd expression.
  • (n.) The representation of any quantity by its appropriate characters or signs.

Example Sentences:

  • (1) Here we have asked whether protection from blood-borne antigens afforded by the blood-brain barrier is related to the lack of MHC expression.
  • (2) Similar experimental manipulation has yielded in vitro lines established from avian B-cell lymphomas expressing elevated levels of c-myc or v-rel.
  • (3) When micF was cloned into a high-copy-number plasmid it repressed ompF gene expression, whereas when cloned into a low-copy-number plasmid it did not.
  • (4) We also show that proliferation of primary amnion cells is not dependent on a high c-fos expression, suggesting that the function of c-fos is more likely to be associated with other cellular functions in the differentiated amnion cell.
  • (5) Injection of resistant mice with Salmonella typhimurium did not result in the induction of a population of macrophages that expressed I-A continuously.
  • (6) Stimulation is also observed with mixtures of APC expressing DPw3 and APC expressing A1, and likewise, DPw3+ APC become stimulatory when preincubated with supernatants from A1-positive cells.
  • (7) BL6 mouse melanoma cells lack detectable H-2Kb and had low levels of expression of H-2Db Ag.
  • (8) These studies show that metabolic activation is necessary for the expression of the mutagenic activity of aflatoxins B1 and G1 in N. crassa.
  • (9) We also show that the gene of the main capsid protein is expressed from its own promoter in an Escherichia coli strain.
  • (10) Using the oocyte system to express size-fractionated mRNA, we have also determined that the mRNA coding for this protein is between 1.9-2.4 kilobases in length.
  • (11) Because many wnt genes are also expressed in the lung, we have examined whether the wnt family member wnt-2 (irp) plays a role in lung development.
  • (12) A beta-adrenergic receptor cDNA cloned into a eukaryotic expression vector reliably induces high levels of beta-adrenergic receptor expression in 2-12% of COS cell colonies transfected with this plasmid after experimental conditions are optimized.
  • (13) Four other independent LCMV-GP2(275-289) specific H-2Db-restricted CTL clones also expressed V alpha 4 and V beta 10 gene elements.
  • (14) Maximal yields of lipid and aflatoxin were obtained with 30% glucose, whereas mold growth, expressed as dry weight, was maximal when the medium contained 10% glucose.
  • (15) Recent studies have shown that an aberration in platelet-derived growth factor gene expression is unlikely to be a factor in proliferation of smooth-muscle cells.
  • (16) Thus, human bronchial epithelial cells can express the IL-8 gene, with expression in response to the inflammatory mediator TNF regulated mainly at the transcriptional level, and with elements within the 5'-flanking region of the gene that are directly or indirectly modulated by the TNF signal.
  • (17) In concert with TF expressed by monocytes and macrophages this endothelial cell procoagulant activity may play a role in the pathogenesis of thrombotic disease.
  • (18) The possibility that both IL 2 production and IL 2R expression are autonomously activated early in T cell development, before acquisition of the CD3-TcR complex, led us to study the implication of alternative pathways of activation at this ontogenic stage.
  • (19) A domain containing a CA repeat, similar to ones found in other late, cAMP-induced Dictyostelium genes, is required for cAMP-induced and developmental expression.
  • (20) This study examines the role of sex hormones in modulating the expression of autoimmunity in NZB x NZW F1 mice.