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Effects of Monocular Deprivation on the Dendritic Features of Retinal Ganglion Cells International Journal of Morphology
Mwachaka,Philip; Saidi,Hassan; Odula,Paul; Mandela,Pamela.
Monocular deprivation results in anatomical changes in the visual cortex in favor of the non-deprived eye. Although the retina forms part of the visual pathway, there is scarcity of data on the effect of monocular deprivation on its structure. The objective of this study was to describe the effects of monocular deprivation on the retinal ganglion cell dendritic features. The study design was quasi-experimental. 30 rabbits (18 experimental, 12 controls) were examined. Monocular deprivation was achieved through unilateral lid suture in the experimental animals. The rabbits were observed for three weeks. Each week, 6 experimental and 3 control animals were euthanized, their retina harvested and processed for light microscopy. Photomicrographs of the retina...
Tipo: Journal article Palavras-chave: Monocular deprivation; Retina; Retinal Ganglion Cells; Dendritic features; Eye.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000400004
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Morphology and Location of Surface Landmarks of Foramen Ovale in Kenyans International Journal of Morphology
Kanyata,Daniel; Odula,Paul; Nyamai,Lily A; Nduati,Paul K.
Foramen ovale is a surgically important aperture of the skull since it allows approach to and manipulation of the trigeminal ganglion as it lies in the Meckel's cave. This transfacial approach, Hartel's approach, requires two anatomical points for accurate cannulation; the zygomatic point and the pupil point. This study describes the morphology and location of foramen ovale and describes the pupil point in relation to the medial canthus in the Kenyan population. Department of Human Anatomy departmental review board approved the study. Two hundred dry skulls from the Department of Human Anatomy were studied using a digital calliper with help of a measuring frame. The results were analysed using SPSS version 20. The results showed the length and width of...
Tipo: Journal article Palavras-chave: Foramen ovale; Hartel's procedure; Transfacial; Kenyans.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022015000200011
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