![]() All histological slides (Study II and III) were thoroughly examined and graded according to the appearance of the outer nuclear layer, photoreceptor layer (PR), photoreceptor outer segments (OS) and. 1999 Aug 15 19(16):6755-66.Ĭoughlin BA, Feenstra DJ, Mohr S. In the normal eye, the distance between the photoreceptors and the RPE is non-existing and the subretinal space is just a potential space. Active role of glutamate uptake in the synaptic transmission from retinal nonspiking neurons. normal white light (bottom left), polarized light reveals them in all their glory. A single-cell transcriptome atlas of the adult human retina. slide is held in place and illuminated for visualisation, and the focus. The basal layer of the hexagonal cells rests on a basement membrane closely related to. The retinal pigment epithelium consists of a single layer of cells that extends from the margins of the optic disc to the ora serrata, then continues with the pigmented layer of the ciliary body. The most direct pathway: photoreceptors - bipolar cells - ganglion cells is influence by two additional cell types: in the outer plexiform layer by horizontal. The complexity of the retina, from its precise multi-layered structure to its various cell types and function, will be discussed briefly in this overview. Lukowski SW, Lo CY, Sharov AA, Nguyen Q, Fang L, Hung SS, Zhu L, Zhang T, Grünert U, Nguyen T, Senabouth A, Jabbari JS, Welby E, Sowden JC, Waugh HS, Mackey A, Pollock G, Lamb TD, Wang PY, Hewitt AW, Gillies MC, Powell JE, Wong RC. Histology Outer pigmented layer / retinal pigment epithelium. An understanding of the histology of the retina is essential to consider for complete insight into diseases involving a vital sensory component in the eye. How do horizontal cells 'talk' to cone photoreceptors? Different levels of complexity at the cone-horizontal cell synapse. normal photograph, taken after 20 seconds, shows a retinal vascularisation very different to that in man: the retinal vessels remain localised in the. For example, some histological sections need to be quite thin, and so any university histology lab is likely to feature a vibratome, which is essentially a tiny knife for making histology 'slices' to be viewed under a microscope. 2014 Sep 42:44-84.Ĭhapot CA, Euler T, Schubert T. Making histology slides is more than a simple matter of swabbing samples onto pieces of glass. Forniceal conjunctiva forms redundant folds to aid eye movement. Palpebral conjunctiva covers the posterior surface of the eyelids. Bulbar conjunctiva covers the anterior globe. Aids in protecting and lubricating the eye. Functional architecture of the retina: development and disease. Nonkeratinizing squamous epithelium with goblet cells overlying loose connective tissue. Hoon M, Okawa H, Della Santina L, Wong RO.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |