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Mostrando 201 - 220 Resultados de 822 Para Buscar 'Pellucidar~', tiempo de consulta: 2.61s Limitar resultados
  1. 201
    “…Pellucid marginal corneal degeneration (PMCD) is a progressive corneal ectasia that ultimately results in high regular astigmatism and correction of this astigmatism is always challenging. …”
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    Long-term outcome of custom toric intraocular lens for treating high astigmatism in case of cataract associated with pellucid marginal corneal degeneration
  2. 202
    “…We describe a case of bilateral spontaneous corneal perforation secondary to pellucid marginal degeneration and present the associated swept-source anterior segment optical coherence tomography (SS-ASOCT) findings and management principles used. …”
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    Evaluation and management of a spontaneous corneal rupture secondary to pellucid marginal degeneration, using swept-source anterior segment optical coherence tomography
  3. 203
    “…OBJECTIVE: To evaluate the utility of measuring fetal cavum septum pellucidum (CSP) width during routine, mid-pregnancy ultrasound for improving diagnosis of 22q11.2 deletion syndrome amongst fetuses with and without conotruncal anomalies. …”
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    Utility of Measuring Fetal Cavum Septum Pellucidum (CSP) Width During Routine Obstetrical Ultrasound for Improving Diagnosis of 22q11.2 Deletion Syndrome: A Case-Control Study
  4. 204
    “…BACKGROUND: Pellucid marginal corneal degeneration is a non-inflammatory disorder complicated by severe inferior corneal thinning. …”
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    Acute hydrops with a 180-degree massive edematous cavern demonstrated by three dimensional view of anterior segment optical coherence tomography in a patient with pellucid marginal corneal degeneration, a case report
  5. 205
    Publicado 1985
    “…Past studies from this laboratory have suggested that mouse sperm binding to the egg zona pellucida is mediated by a sperm galactosyltransferase (GalTase), which recognizes and binds to terminal N-acetylglucosamine (GlcNAc) residues in the zona pellucida (Shur, B. …”
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    Receptor function of mouse sperm surface galactosyltransferase during fertilization
  6. 206
    Publicado 1979
    “…Mouse sperm bind to zonae pellucidae of cumulus-free eggs in vitro in a Ca2+- dependent reaction; these sperm are intact by the CTC assay. …”
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    Mouse gamete interactions during fertilization in vitro. Chlortetracycline as a fluorescent probe for the mouse sperm acrosome reaction
  7. 207
    “…This procedure involves drilling a small hole through the zona pellucida with a laser prior to sperm injection. Preliminary studies have suggested that laser-assisted ICSI may dramatically reduce oocyte degeneration rates. …”
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    No advantage of laser-assisted over conventional intracytoplasmic sperm injection: a randomized controlled trial [NCT00114725]
  8. 208
    “…Assessment of the role of SLXL1 in capacitation, acrosome reaction, zona pellucida binding/penetration, and fertilization was carried out in vitro using blocking antisera. …”
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    SLXL1, a Novel Acrosomal Protein, Interacts with DKKL1 and Is Involved in Fertilization in Mice
  9. 209
    por Tomcuk, A., Dedovic, J., Macic, A.
    Publicado 2023
    “…Concomitant occurrence of cavum septi pellucid et cavum vergae was observed in 3.4% and isolated septum pellucidum cyst in 1.3% of patients. …”
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    CT OF THE ENDOCRANIUM IN THE FIRST EPISODES OF PSYCHOTIC DISORDERS
  10. 210
    “…BACKGROUND: In human and rodents, sperm-zona pellucida binding is mediated by a sperm surface Galactosyltransferase that recognizes N-Acetylglucosamine residues on a glycoprotein ZPC. …”
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    The involvement of beta-1,4-galactosyltransferase and N-acetylglucosamine residues in fertilization has been lost in the horse
  11. 211
    por Shur, BD, Hall, NG
    Publicado 1982
    “…On the other hand “conventional” low molecular weight glycosides, isolated from either epididymal fluid or differentiated F9 cells, fail to inhibit capacitated sperm binding to the zona pellucida. These results define a molecular mechanism for one aspect of sperm capacitation, and help explain why removal of “decapacitation factos” is a necessary prerequisite for sperm binding to the zona pellucida.…”
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    Sperm surface galactosyltransferase activities during in vitro capacitation
  12. 212
    Publicado 1986
    “…The extracellular coat, or zona pellucida, of mammalian eggs contains species-specific receptors to which sperm bind as a prelude to fertilization. …”
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    Autoradiographic visualization of the mouse egg's sperm receptor bound to sperm
  13. 213
    “…RESULTS: Three oocytes showed the leading and following sperm within the zona pellucida in the same microscopic field. The dynamic images obtained during the fertilization process using this new system revealed that once a leading sperm penetrated the zona pellucida and attached to the oocyte membrane, a following sperm was arrested from further penetration into the zona pellucida within 10 s. …”
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    Possible mechanism of polyspermy block in human oocytes observed by time-lapse cinematography
  14. 214
    “…Next, we examined the effects of zona pellucida status on blastocyst quality after electroporation, by comparing the average diameter of blastocysts before and after electroporation using blastocysts with intact zona pellucida and hatching/hatched blastocysts. …”
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    The effects of electroporation on viability and quality of in vivo-derived bovine blastocysts
  15. 215
    “…In this method, culture medium was injected into the perivitelline space to help extrude TE cells from the zona pellucida before TE biopsy. RESULTS: Our extrusion method preserves the embryo culture environment until immediately before biopsy because it does not require opening of the zona pellucida prior to TE biopsy. …”
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    A novel trophectoderm biopsy technique for all blastocyst stages
  16. 216
    “…The penetration through the zona pellucida is also random, and a significant proportion of sperm binds to the oocyte membrane at a point distant from the zona penetration site. …”
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    Space Asymmetry Directs Preferential Sperm Entry in the Absence of Polarity in the Mouse Oocyte
  17. 217
    “…Interestingly, removal of the zona pellucida rescues the fertilization defect of Spaca4-deficient sperm in vitro, indicating that SPACA4 is not required for the interaction of sperm and the oolemma but rather of sperm and the zona pellucida. …”
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    The conserved fertility factor SPACA4/Bouncer has divergent modes of action in vertebrate fertilization
  18. 218
    “…We previously proposed that zona pellucida (ZP) proteins of black rockfish play a similar sperm-binding role as in mammals. …”
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    Expression Analysis of ZPB2a and Its Regulatory Role in Sperm-Binding in Viviparous Teleost Black Rockfish
  19. 219
    “…The paper notes the presence of autoantibodies to zona pellucida, to phospholipids (phosphatidyl serine, phosphatidyl ethanolamine, phosphatidyl inositol, phosphatidyl glycerol, phosphatidic acid, annexin V, beta-2 glycoprotein I, and cardiolipin) and of isoantibodies to sperm cells. …”
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    Screening Tests of Reproductive Immunology in Systemic Lupus Erythematosus
  20. 220
    “…However, effects on gonadal differentiation at concentrations of estrogen not sufficient to give rise to a measurable vitellogenin response suggest that more sensitive biomarkers would be useful. Induction of zona pellucida genes may be more sensitive but their specificities are not as clear. …”
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    Sensitive and robust gene expression changes in fish exposed to estrogen – a microarray approach
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