What's the difference between harmotome and vitreous?
Harmotome
Definition:
(n.) A hydrous silicate of alumina and baryta, occurring usually in white cruciform crystals; cross-stone.
Example Sentences:
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.