What's the difference between protrusion and staphyloma?
Protrusion
Definition:
(n.) The act of protruding or thrusting forward, or beyond the usual limit.
(n.) The state of being protruded, or thrust forward.
Example Sentences:
(1) Excessive lip protrusion was eliminated, and arch leveled.
(2) Two cases of posterior lumbar vertebral rim fracture and associated disc protrusion in adolescents are presented.
(3) Clinical findings and operative results of 212 operated cases of disc protrusion are analyzed in this paper.
(4) However, we have observed cracks on the Dacron fibers, fiber fracture, fiber protrusion, and poor attachment to the diaphragm, which can cause potentially disastrous complications.
(5) Anterior lenticonus is a rare condition, in which there is a conical or spherical protrusion of the anterior surface into the anterior chamber.
(6) The phenomenology of various protrusions, including fimbria, is described, and the effect of cultivation conditions (continuous culture, periodic culture) and growth phases on their emergence was elucidated.
(7) The uveal protrusion was replaced and a deep corneoscleral block was removed in front of the scleral spur in three cases, and electrocoagulation of the anterior edges of the trabeculectomy fistula was done in other three cases.
(8) These mitochondria had a highly electron dense matrix and protrusions or blebs of mitochondrial outer membrane were frequently observed.
(9) When the myoepithelial cells contract they force the axial protrusion forward and transform the papilla into a hyperboloidal configuration.
(10) With regard to the pathogenesis of syringomyelia, we concluded that in cases associated with Chiari II malformation, vermian protrusion and direct continuity between the fourth ventricle and the syrinx were essential.
(11) Some CTLs contacted infected cells via numerous interdigitating processes; others were observed thrusting finger-like protrusions deep into the target cell; some were seen with their plasma membranes lying closely opposed to that of the infected cell.
(12) (d) It is shown that a high value of the cell-to-substrate gap may be accounted for by the presence of cell surface protrusions of a few micrometer length, in accordance with electron microscope observations performed on the same cell population.
(13) For protrusive records there was no significant difference between examiners, but for lateral records a significant difference in examiner registration was found.
(14) It is suggested that the protrusion of membrane proteins into the aqueous phase, the consequent expression of cell surface charge, and the temperature-dependent modulation of the latter may be related to the lateral mosaicism of membrane lipids and reflect the state of membrane fluidity.
(15) The primary cyst wall of the sarcocysts in these granulomas consisted of hair-like protrusions that featured many unusual electron-dense bodies.
(16) In some cases, the entire cell surface was covered by these protrusions.
(17) A 'small' CG-free area of the cortex, with prominent cytoplasmic protrusions, appeared twice during the progression of meiosis.
(18) However, only one out of the patients with calcification is restricted in his movements, and only 3 out of the patients with protrusion do complain of symptoms.
(19) The morphology of human leukocytes, the biochemistry of actin polymerization, and the theory of continuum mechanics are used to model the pseudopod protrusion process of leukocytes.
(20) On biopsy immediately after worm removal, samples of the main pulmonary arteries showed severe intimal proliferations with villous or papillary protrusion into the lumen.
Staphyloma
Definition:
(n.) A protrusion of any part of the globe of the eye; as, a staphyloma of the cornea.
Example Sentences:
(1) The method is especially suited for the treatment of detachments in globes with posterior staphylomas.
(2) We report the case of a woman with neurofibromatosis and anterior scleral staphyloma.
(3) Enlargement of the ocular choroid crescent is an unusual angiographic finding and can be seen with intraocular expansile lesions such as unilateral axial high myopia with posterior staphyloma.
(4) The histopathological findings of the enucleated eye of a 6th child with alcohol embryopathy which was sent to us for examination and which revealed an anterior staphyloma with Peters' anomaly is also described.
(5) The clinical, CT, and histopathological features of congenital corneal staphyloma are discussed, as well as the possible pathogenic mechanisms.
(6) Histopathologic findings and percentage of eyes affected, in decreasing order of frequency, were myopic configuration of the optic nerve head, 37.7%; posterior staphyloma, 35.4%; degenerative changes of the vitreous, 35.1%; cobblestone degeneration, 14.3%; myopic degeneration of the retina, 11.4%; retinal detachment, 11.4%; retinal pits, holes, or tears, 8.1%; subretinal neovascularization, 5.2%; lattice degeneration, 4.9%; Fuchs spot, 3.2%; and lacquer cracks, 0.6%.
(7) The most frequent deformations of the globe encountered in pediatric ophthalmology are staphylomas and colobomas.
(8) A case of morning glory disc anomaly with pulsating peripapillary staphyloma is reported and the literature reviewed.
(9) A 42-year-old woman had a contractile staphyloma involving the peripapillary area of the fundus of the left eye.
(10) In evaluating the anatomic and functional status of 22 eyes of 14 patients demonstrating lacquer cracks, these lesions occurred in the eyes of young adults with posterior staphylomas and markedly increased axial lengths.
(11) The eyes with high myopia were divided into two groups; eyes showing only tigroid fundus (group 1) and those associated with posterior staphyloma involving the macula (group 2).
(12) A remarkably wide range of refractions and axial lengths were found for each staphyloma type.
(13) Even highly myopic eyes with moderate staphyloma can be treated successfully by this technique.
(14) A 49-year-old XYY man was found to have high myopia OU with unusual multiple retinal atrophic holes located in the posterior pole, unrelated to a posterior staphyloma or any other myopic degenerative changes.
(15) Our results show that peribulbar anesthesia can be effectively used for retinal reattachment surgery and probably should be the preferred form of local anesthesia for this surgery, since the eyes involved have a relatively high incidence of axial myopia and posterior staphyloma.
(16) Authors point out the contribution of the radiological examination that detects the typical lesions, the aspect of which changes characteristically very rapidly (from day to day), namely: aspect of frank pleurisy (common and very evocative), pyopneumothorax, pneumatocele, excavated staphylomas (abscesses), less frequently mediastinal pneumothorax or emphysema.
(17) A one-year-old boy presented with findings of ocular colobomas and staphylomas in both eyes.
(18) The effect, however, was localized and did not appear to block the overall progression of posterior staphyloma formation significantly.
(19) Peripheral fundus changes and posterior staphyloma formation are ophthalmoscopic evidences of this process.
(20) These echographical examinations enabled us to evaluate the following three criteria: staphyloma posticum, stiffness of the retina, and vitreous adhesions.