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Do Second-order neurons of ascending sensory pathways always decussate.?
No! Only neurons of the specific (lemniscal) & non-specific (anterolateral) pathways decussate and sensation is therfore interpreted in the opposite cerebral hemisphere.Spinocerebellar ascending pathways transmit proprioceptive sensory stimuli to the same side of the cerebellum.
Why is the left side affected after a brain hemorrhage on the right side?
due to the crossing of nerve fibers in the brain and spinal cord that cross from left side to right side. For example, motor nerves leaving the brain on the left side will decussate (cross from one side to the other) in the spinal cord so that when they leave the spinal cord, they flow out to muscles on the opposite side of the body.
Does dopamine cross the blood-brain barrier?
Yes, dopamine can cross the blood-brain barrier.
What substances cannot cross the blood-brain barrier?
Large molecules, such as proteins and most drugs, cannot easily cross the blood-brain barrier.
The optic nerves from the eyes cross before entering the brain the crossed structure is known as?
The crossed structure formed when the optic nerves from the eyes cross before entering the brain is called the optic chiasm. It is where the nasal fibers from each eye cross over to the opposite side of the brain.
Do Second-order neurons of ascending sensory pathways always decussate.?
No! Only neurons of the specific (lemniscal) & non-specific (anterolateral) pathways decussate and sensation is therfore interpreted in the opposite cerebral hemisphere.Spinocerebellar ascending pathways transmit proprioceptive sensory stimuli to the same side of the cerebellum.
Is vision contra-laterally controlled by the brain?
Yes, vision is contralaterally controlled by the brain. The left side of the brain processes information from the right visual field, while the right side of the brain processes information from the left visual field. This is due to the way that the optic nerves from each eye cross over at the optic chiasm.
Why is the left side affected after a brain hemorrhage on the right side?
due to the crossing of nerve fibers in the brain and spinal cord that cross from left side to right side. For example, motor nerves leaving the brain on the left side will decussate (cross from one side to the other) in the spinal cord so that when they leave the spinal cord, they flow out to muscles on the opposite side of the body.
Does dopamine cross the blood-brain barrier?
Yes, dopamine can cross the blood-brain barrier.
What substances cannot cross the blood-brain barrier?
Large molecules, such as proteins and most drugs, cannot easily cross the blood-brain barrier.
Does netilmicin crosses blood brain barrier?
Netilmicin does not cross the blood-brain barrier.
Does Valium cross the blood brain barrier?
Yes. Valium (diazepam) does indeed cross the blood brain barrier. It is one of the more lipophilic of the benzodiazepine medications.
What has the author Peter Ratiu written?
Peter Ratiu has written: 'Cross-sectional atlas of the brain' -- subject(s): Anatomy & histology, Anatomy, Cross-Sectional, Atlases, Brain, Cross-sectional imaging, Methods
Why does paralysis affect the opposite side of body?
Paralysis affects the opposite side of the body due to the way the nervous system is organized. Motor control signals originate in the brain and cross over to the opposite side of the body at the brainstem or spinal cord. Therefore, damage to the brain's motor areas or pathways on one side results in loss of movement and sensation on the opposite side. This contralateral effect is a fundamental characteristic of the brain's structure and function.
Does atropine cross the blood brain barrier?
Yes. Atropine is a tertiary amine and is able to cross the BBB.
The optic nerves from the eyes cross before entering the brain the crossed structure is known as?
The crossed structure formed when the optic nerves from the eyes cross before entering the brain is called the optic chiasm. It is where the nasal fibers from each eye cross over to the opposite side of the brain.
How ethanol cross blood brain barrier?
It is water soluble...
