WebFrom here, visual information is organized from the retina and sent off to the primary cortex. Just like a highway, there’s one on either side of the thalamus. Optic radiations: We’re … Webo Form the myelin sheath around nerve fibers in the CNS o Insulate nerve fibers from extracellular fluid and speed up signal contraction-Ependymal cells o Resemble cuboidal epithelial cells o Line the internal cavities of the brain and spinal cord o Produce cerebrospinal fluid The liquid that bathes the CNS and fill spaces-Microglia o Small …
The Optic Nerve - TedMontgomery.com
After the chiasm, the nerve fibers extend to the lateral geniculate nucleus (LGN) in the thalamus. From there, the nerve fiber tracts extend from the LGN into optic radiation fibers that fan through different parts of the brain including the parietal lobe, temporal lobe, and occipital lobe. See more The optic nerve is mainly made up of the axons (nerve fibers) of the retinal ganglion cells from the retina. The optic disc or nerve head is the point where the axons from the retinal … See more The optic nerve produces all sorts of visual information. The optic nerve is also responsible for the light reflex and the accommodation reflex.1 These are two important … See more Treatment of optic nerve damage, chiasma or optic radiation damage depends on the cause. However, treatments for optic … See more WebFeb 23, 2024 · Increased intracranial pressure in advanced hypertension will exert pressure on the optic nerve and optic vessel via the cerebrospinal fluid (CSF). This pressure of CSF on the optic nerve and vessel leads to ischemia and edema of the optic disc which is called the papilledema . The terminology papilledema was considered as a misnomer and ... bing search company
A&P12 Nervous System III Biology Quiz - Quizizz
WebJul 22, 2024 · They travel from the retina to the lateral geniculate body of the thalamus. Nerve fibers that travel to the tectum to regulate the pupillary light reflex are known as the pupillary afferent fibers. Efferent fibers to the … WebMay 7, 2024 · Orientation of Fibers. At the optic chiasm, a proportion of axons from the left and right optic nerves decussate (cross the midline) to join with uncrossed fibers of the contralateral optic nerve. Posterior to the decussation, the newly grouped fibers emerge as the right and left optic tracts. It is named for the characteristic “x ... Weba feeling that results from sensory stimulation; brain causing it to seem to come from the receptors being stimulated a good feeling from a stimulation; right side of the brain projecting the sensation to the left side, or vice versa a change in membrane permeability of a receptor; transmission of an impulse into a sensory area of the brain bing search daily limit rewards points reset