What's the difference between glassy and vitreous?

Glassy


Definition:

  • (a.) Made of glass; vitreous; as, a glassy substance.
  • (a.) Resembling glass in its properties, as in smoothness, brittleness, or transparency; as, a glassy stream; a glassy surface; the glassy deep.
  • (a.) Dull; wanting life or fire; lackluster; -- said of the eyes.

Example Sentences:

  • (1) The water is embossed with small waves and it has a chill glassiness which throws light back up at the sky.
  • (2) Flavin adenine dinucleotide (FAD) was covalently attached to an electron-conducting support, i.e., glassy carbon.
  • (3) The second, with amphibole or glassy fibres, is mediated by fibronectin which first binds to the fibre.
  • (4) The glassy cell carcinoma is considered to be a poorly differentiated mixed adenosquamous carcinoma.
  • (5) From these studies, it was suggested that the inelastic behavior of bioactive glass-ceramics was produced by the plastic deformation of glassy phase on the grain boundary.
  • (6) They tricked us.” When Morales speaks of it his eyes turn glassy.
  • (7) Its mechanical behaviour when dry is that of a glassy polymer with tensile strength about 300 MPa and modulus about 20 GPa.
  • (8) Cell lines were established from two uterine cervical cancers, a glassy cell carcinoma (GCC) and a large cell nonkeratinizing squamous cell carcinoma (LCSC), and studied by a variety of techniques, including histology, chromosome analysis, heterotransplantation and tumor marker analyses.
  • (9) In KGS and A-W.GC, which had macrocrystals in the glassy phase, an intervening apatite layer about 0.5 micron thick was observed between the materials and bone.
  • (10) When bimodal therapy with radical surgery and radical radiotherapy was used, the survival of patients with Stage IB glassy cell carcinoma improved to 87%.
  • (11) No significant association between HPV status and prognosis or glassy cell features was detected.
  • (12) We have developed a new type of glassy carbon electrode whose smooth surface with scattered craters reduces its polarization voltage.
  • (13) The detection system consists of two electrochemical detector cells aligned in series: a glassy-carbon electrode for catecholamines and serotonin, and a platinum electrode for acetylcholine and choline.
  • (14) The cytopathologic and histopathologic findings are presented for five cases of glassy-cell carcinoma.
  • (15) Further, the apparent "tightly bound" state, observed at low relative humidities, appears to exist when the polymer enters into a very viscous glassy state.
  • (16) Photo-switchable ion and enzyme sensors were fabricated by the use of glassy carbon electrode coated with nonactindoped or enzyme modified poly(vinyl chloride) (PVC) membranes.
  • (17) And if that sentence leaves you glassy-eyed, we'll do our best to explain it as things proceed.
  • (18) Eighteen cases of glassy cell carcinoma of the uterine cervix are presented.
  • (19) In lesional catagen follicles, the glassy membranes showed marked convolution and thickening.
  • (20) A method is proposed for the determination of paracetamol in whole undiluted blood, based on the enzymatic hydrolysis of the drug to p-aminophenol, which is then measured by chronoamperometry at a glassy carbon electrode.

Vitreous


Definition:

  • (a.) Consisting of, or resembling, glass; glassy; as, vitreous rocks.
  • (a.) Of or pertaining to glass; derived from glass; as, vitreous electricity.

Example Sentences:

  • (1) Histologic examination of the anterior and posterior chambers and the vitreous led to a diagnosis of endophthalmitis caused by Coccidioides immitis infection.
  • (2) The distribution of polyanionic glycosaminoglycans (GAGs) in the developing mouse vitreous was studied histologically by P.A.S.
  • (3) Suspensions of isolated insect flight muscle thick filaments were embedded in layers of vitreous ice and visualized in the electron microscope under liquid nitrogen conditions.
  • (4) 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.
  • (5) That is cystoid macular edema is associated with incomplete PVD with vitreous contraction.
  • (6) Chemically isolated separate preparations of the non-aggregating protein-chondroitin-keratin sulphate (PCKS) fraction from the hyaline cartilage and hyaluronic acid (HUA) of the vitreous body and of the umbilicus were investigated by electron microscopy.
  • (7) The eye is of the closed vesicle type and is composed of retina, cornea, vitreous body, lens and optic nerve.
  • (8) In proliferative retinopathy, the mid-vitreous fluorophotometry readings were abnormally increased, correlating well with the extent of the peripheral angiographic changes (neovascularization).
  • (9) Because they prevent secondary capsular opacification and anterior vitreous propagation, it appears that such barrier-type implants should be systematically placed.
  • (10) The mean in the newborn-to-6-month-old group was 47.59 D; in the 12-18-month-old group it had decreased to 45.56 D. The cornea appears to stabilize at about 54 months, with an average reading of 42.69 D. Evaluation of 11 eyes diagnosed as having persistent hyperplastic primary vitreous revealed that eyes with this diagnosis generally have steeper corneas than normal eyes at any given age.
  • (11) The cortical vitreous of the normal (control) eye appeared to be a lamellar structure composed of sheets of collagen mesh.
  • (12) Four of 15 retinas unable to be attached by scleral buckling were reattached after the addition of a single vitreous operation.
  • (13) A case is presented of a Medallion intraocular lens that dislocated posteriorly into the vitreous cavity.
  • (14) We evaluated the efficacy of microspheres of biodegradable polymers as a slow releasing drug delivery system in the vitreous body.
  • (15) The concentrations are different in the various tissues and show a relationship to the distance from cornea to vitreous.
  • (16) Active transport of fluorescein across the blood-retinal barrier in the direction of vitreous to blood does not seem to be significant within the first 2 hr after fluorescein injection.
  • (17) This study was undertaken to determine if extracapsular lens extraction enhances the ability of common bacteria to infect the anterior segment of the eye and if the posterior lens capsule acts as a protective barrier denying the infectious process access to the vitreous body.
  • (18) After WGA-HRP injection into the vitreous cavity of one eye, terminal labeling was seen in the suprachiasmatic nucleus, dorsal and ventral lateral geniculate nuclei, pretectum and superficial layer of the superior colliculus.
  • (19) Experiences with surgical treatment of chronic endogenous uveitis in human patients have shown that vision-impairing axial opacities in the vitreous body can be removed by pars plana vitrectomy, and that a considerable decrease in the frequency and severity of uveitic relapses results.
  • (20) Ocular injuries were observed in 7 of the 10 cases and when present always included retinal, vitreous, and subdural optic nerve hemorrhages.