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What is the optic intersection in the brain?
The optic chiasm is the point near the base of the brain where the optic nerves from each eye partially cross over to the opposite side of the brain. This crossover allows information from the left visual field to be processed in the right side of the brain, and vice versa.
What are the two major components of the diencephalon?
what are the two main parts of the diencephalon
The only two cranial nerves that are completely sensory are numbers?
The only two cranial nerves that are completely sensory are the olfactory nerve (I) for smell and the optic nerve (II) for vision.
What part of the brain make up the diencephalon?
There are two structures that make up the Diencephalon. The main structure of the diencephalon is hypothalamus thalamus and the second is the subthalamus.
Which nerves from the brain are known to decussate?
The optic nerves and the pyramidal tracts are two examples of nerves that decussate, or cross over to the opposite side of the body, within the brain. This crossing of nerve fibers helps with the coordination of sensory and motor functions between the brain and the rest of the body.
What cranial nerves are not associated with the brainstem?
The olfactory bulbs [I] and the optic nerve [II]
How many optic nerves are present in a human body?
There are two optic nerves in the human body, one for each eye. These nerves transmit visual information from the retina to the brain, allowing us to see and interpret our surroundings.
How many optic nerves does human beings have?
Two one behind each eye.
What is the optic intersection in the brain?
The optic chiasm is the point near the base of the brain where the optic nerves from each eye partially cross over to the opposite side of the brain. This crossover allows information from the left visual field to be processed in the right side of the brain, and vice versa.
What are the two major components of the diencephalon?
what are the two main parts of the diencephalon
What is the diencephalon comprised of?
The two major components of the diencephalon are the thalamus and the hypothalamus.
The only two cranial nerves that are completely sensory are numbers?
The only two cranial nerves that are completely sensory are the olfactory nerve (I) for smell and the optic nerve (II) for vision.
What part of the brain make up the diencephalon?
There are two structures that make up the Diencephalon. The main structure of the diencephalon is hypothalamus thalamus and the second is the subthalamus.
Which nerves from the brain are known to decussate?
The optic nerves and the pyramidal tracts are two examples of nerves that decussate, or cross over to the opposite side of the body, within the brain. This crossing of nerve fibers helps with the coordination of sensory and motor functions between the brain and the rest of the body.
When fluid builds up in the eye and causes damage to the optic nerve and the loss of vision the disorder is called?
High optic nerve pressure is associated with high CSF (cerebral spinal fluid) in the brain. The condition has two names: idiopathic Intercranial hypertension, or Pseudotumor Cerebri. When the CSF level in the brain spikes, it causes fluid to back up an build up in the optic nerves. Pressure in the optic nerve and in the brain can be decreased with diuretics(such as Diamox). Pressure in the brain can be relieved by spinal taps, or a surgical procedure where a shunt is inserted into the brain. The fluid in the optic nerves can be decreased by a surgical procedure called Optic Nerve Sheath Fenestration.
What is the diencephalon located?
The diencephalon is located in the interior brain below the corpus callosum (which connects the two hemispheres), the third ventricle, and fornix. It is made up of the thalamus and hypothalamus.
What is the name of the x-shaped structure below the hypothalamus?
there are possibly two..most likely seems to be pointing to the optic chiasm (where the optic nerves running back to the lateral geniculate nucleus cross) or they could be referring to the suprachiasmatic nucleus of the hypothalamus which is a structure that is involved in processing light for circadian rhythms (biological clock).
