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Drusen are subretinal pigment epithelial deposits that are characteristic of but not uniquely associated with age-related macular degeneration (AMD). Age-related macular degeneration is associated with two types of drusen that have different clinical appearances and different prognoses. Hard drusen appear as small, punctate, yellow nodules and can precede(More)
The assembly and disassembly of the synaptonemal complexes (SCs) correlate with the progression of meiotic prophase I. Using immunostaining of the cohesin component SMC3, which is present in the axial elements of the SC, we characterized the synaptic process in chicken oocytes and quantified the frequency of the different prophase stages at hatching and at(More)
Meiotic recombination in female ducks was directly studied by immunolocalization of MLH1 protein, a mismatch repair protein of mature recombination nodules. In total, 6820 crossovers were scored along the autosomal synaptonemal complexes in 122 meiotic nuclei. From this analysis we predict that the female map length of the duck is 2845 cM, with a genome(More)
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