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4 de mai. de 2020 · Intraretinal haemorrhage appeared red and radiated outward from the foveal centre in a pattern consistent with localisation to the HFL. This haemorrhage extended mostly into the outer nuclear and outer plexiform layers with some hyperreflective material also within the inner nuclear layer.
Significance. The sharpness of our eyesight hinges on a tiny retinal region known as the fovea. The fovea is pivotal for primate vision and is susceptible to diseases like age-related macular degeneration. We studied the fovea in the marmoset—a primate with ancient evolutionary ties.
1 de set. de 2022 · Early development of the fovea has been documented by histological studies over the past few decades. However, structural distortion due to sample processing and the paucity of high-quality post-mortem tissue has limited the effectiveness of this approach.
1 de ago. de 2011 · Foveal OCT scans were assessed for outer retinal structure, outer nuclear layer thickness, and hypoplasia. AOSLO images were graded as quantifiable if a peak cone density could be measured and/or usable if the location of peak density could be identified and the parafoveal mosaic was quantifiable.
- Sarim Mohammad, Irene Gottlob, Anil Kumar, Mervyn Thomas, Christopher Degg, Viral Sheth, Frank Anton...
- 2011
Histologic features of a normal fovea comprise a central area exclusively containing cones with elongated outer segments (OS) underlying a capillary-free zone and surrounded by separation of inner retinal layers. 1 The advent of optical coherence tomography (OCT), which allows noninvasive, cross-sectional imaging of the retina, made possible the...
- Sarah Tick, Florence Rossant, Itebeddine Ghorbel, Alain Gaudric, José-Alain Sahel, Philippe Chaumet-...
- 2011
Histologic appearance of the fovea Oblique orientation of axons in outer plexiform layer forming Henle’s layer. Fovea Cones are the predominant photoreceptor in the fovea and are connected to ganglion cells in a 1:1 ratio; Ganglion cells are concentrated outside of the central fovea, allowing more light to reach the central photoreceptors
2 de fev. de 2022 · An illustration of gastric unit and precancerous conditions shows the histological structure of gastric epithelium, possible gastric stem cells types and potential origin of different gastric precancerous conditions.
