WebOct 21, 2024 · The optic nerve (Figure 4C) may be divided into four sections: (a) optic head, (b) orbital part, (c) intracanalicular part (in the optic canal ), and (d) cranial part. The axons of the ganglion cells of the retina converge in the innermost layer … WebHistology: photoreceptor loss, RPE hyperplasia, migration of RPE pigment around retinal vessels Late findings: vessel wall thickening and hyalinization, diffuse or sectoral optic nerve atrophy, gliosis; Typical Peripheral Cystoid Degeneration (TPCD) Found in all people over age 20; Development of cystic spaces in outer plexiform layer
Optic Neuropathies: Current and Future Strategies for …
WebNov 25, 2024 · Optical coherence tomography (OCT), a quick and reproducible imaging technique using low coherence interferometry to produce cross-sectional images of the … WebApr 14, 2024 · Many studies have related optic CC and the prognosis of postoperative visual fields in pituitary tumors to thinning of the nerve layer of the retina on OCT examination [6,7,8, 12]. Jeong et al. [ 13 ] conducted a meta-analysis to examine the efficacy of OCT in sellar/suprasellar lesions and identified 48 studies involving 2435 patients and 952 ... greek god father of titans
Peripheral nerves: Histology and clinical aspects Kenhub
WebAug 13, 2024 · The optic nerve is formed by axons of the nerve fiber layer. These nerve fibers develop from the ganglion cells to form the nerve fiber layer of the retina, extend posteriorly to form the optic nerve and extent toward the brain. Myelin develops from the brain outward to reach the eye a few weeks after birth. WebOct 5, 2024 · Optic Nerve Sheath Meningiomas (ONSM) are uncommon, benign neoplasms originating from the meningothelial cells of the meninges surrounding the optic nerve. The tumor may arise from either the intraorbital or intracanalicular portions of the optic nerve where there is a meningeal sheath. WebThe short piece of proximal optic nerve taken for histology was fixed by immersion in 2.5% (v/v) glutaraldehyde with 4% (w/v) paraformaldehyde in 0.1 M phosphate buffer, pH 7.4 for 24 h at 4°C. It was then placed in 1% (w/v) osmium tetroxide in saline overnight and washed with sodium cacodylate buffer (0.2 M, pH 7.2) at room temperature. greek god family tree explained