Publication: Retinal pigment epithelial fine structure in the bobtail
goanna (Tiliqua rugosa)
| dc.contributor.author | Braekevelt, Charlie R. | |
| dc.date.accessioned | 2011-01-31T12:16:13Z | |
| dc.date.available | 2011-01-31T12:16:13Z | |
| dc.date.issued | 1989 | |
| dc.description.abstract | The retinal pigment'epithelium (RPE), the choriocapillaris and Bruch's membrane (complexus basalis) have been studied by light and electron microscopy in the bobtail goanna (Tiliqua rugosa) an Australian diurna1 lizard. The RPE consists of a single layer of cuboidal cells which display very deep and tortuous basal (choroidal) infoldings as well as numerous apical (vitreal) processes which interdigitate with the photoreceptor cells. The lateral cell borders are relatively smooth and joined by basally located tight junctions. Internally smooth endoplasmic reticulum is abundant while rough endoplasmic reticulum is not. The RPE cell nucleus is large and vesicular and basally located in the light-adapted state. Polysomes, mitochondria and myeloid bodies are present and widely distributed. Melanosomes are plentiful in the apical region of the epithelial cells in light-adaptation. Bruch's membrane is pentalaminate with the basal lamina of the choriocapillaris being exceptionally thick. The choriocapillaris is a single layer of large-caliber capillaries with thin but only moderately fenestrated endothelium. Numerous dense granules are always present within these endothelial cells. | es |
| dc.format | application/pdf | es |
| dc.format.extent | 6 | es |
| dc.identifier.issn | 0213-3911 | |
| dc.identifier.uri | http://hdl.handle.net/10201/18128 | |
| dc.language | eng | es |
| dc.publisher | Murcia : F. Hernández | es |
| dc.rights | info:eu-repo/semantics/openAccess | es |
| dc.subject | Choriocapillaris | es |
| dc.subject | Electron microscopy | es |
| dc.subject.other | CDU::6 - Ciencias aplicadas::61 - Medicina | es |
| dc.title | Retinal pigment epithelial fine structure in the bobtail goanna (Tiliqua rugosa) | es |
| dc.type | info:eu-repo/semantics/article | es |
| dspace.entity.type | Publication | es |
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