Podcast
Questions and Answers
Which ascending sensory pathway is primarily involved in visceral sensations?
Which ascending sensory pathway is primarily involved in visceral sensations?
- Spino-reticular tract (correct)
- Dorsal column tract
- Short ascending tract
- Spino-tectal tract
What type of neurons are typically found in ascending sensory pathways?
What type of neurons are typically found in ascending sensory pathways?
- Pseudounipolar neurons (correct)
- Multipolar neurons
- Bipolar neurons
- Unipolar neurons
Which ascending sensory tract is specifically involved in proprioception?
Which ascending sensory tract is specifically involved in proprioception?
- Spino-tectal tract
- Spino-reticular tract
- Short ascending tract
- Dorsal column tract (correct)
What is the main function of the short ascending sensory tracts?
What is the main function of the short ascending sensory tracts?
Which of the following ascending pathways is typically shorter in distance to the brainstem?
Which of the following ascending pathways is typically shorter in distance to the brainstem?
How many order neurons do the short ascending sensory tracts consist of?
How many order neurons do the short ascending sensory tracts consist of?
Which term best describes the arrangement and layering of neurons in the dorsal column tract?
Which term best describes the arrangement and layering of neurons in the dorsal column tract?
Which of the following tracts is NOT considered a short ascending tract?
Which of the following tracts is NOT considered a short ascending tract?
What type of proprioception is carried by the short ascending tracts?
What type of proprioception is carried by the short ascending tracts?
Which structure receives input from the short ascending tracts for coordination of movements?
Which structure receives input from the short ascending tracts for coordination of movements?
Which laminae do the central processes enter the spinal cord through?
Which laminae do the central processes enter the spinal cord through?
What is the fate of the majority of axons forming the tract as they advance in the spinal cord?
What is the fate of the majority of axons forming the tract as they advance in the spinal cord?
What type of neurons primarily enter the spinal cord through the dorsal root?
What type of neurons primarily enter the spinal cord through the dorsal root?
Which pathway is primarily involved in proprioception and kinesthetic sense?
Which pathway is primarily involved in proprioception and kinesthetic sense?
Which nucleus is specifically mentioned as the endpoint for the central processes in the spinal cord?
Which nucleus is specifically mentioned as the endpoint for the central processes in the spinal cord?
Flashcards
Proprioception
Proprioception
Sensory information about body position and movement.
Short Ascending Tracts
Short Ascending Tracts
A group of four tracts carrying unconscious proprioception to the cerebellum for movement coordination.
Cerebellum and Movement
Cerebellum and Movement
The cerebellum coordinates voluntary movements, using proprioceptive input.
Posterior spinocerebellar tract
Posterior spinocerebellar tract
One of the four tracts that carries unconscious proprioceptive information to the cerebellum.
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Anterior spinocerebellar tract
Anterior spinocerebellar tract
Another tract carrying unconscious proprioception to the cerebellum.
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Spino-reticular tract
Spino-reticular tract
Ascending sensory pathway that relays information to the reticular formation.
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Spino-tectal tract
Spino-tectal tract
Ascending pathway that relays sensory information to the superior colliculus.
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Ascending visceral sensory tracts
Ascending visceral sensory tracts
Pathways carrying sensory information from internal organs.
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Ascending Sensory Pathways
Ascending Sensory Pathways
Routes for sensory information to travel up the spinal cord to the brain.
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Sensory Pathways
Sensory Pathways
Nervous pathways that carry sensory information to the brain.
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Dorsal root entry
Dorsal root entry
Axons of sensory neurons enter the spinal cord via the dorsal root.
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Clarkes nucleus
Clarkes nucleus
A nucleus in the spinal cord where some ascending tracts end.
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Decussation
Decussation
Crossing over of axons from one side of the body to the other side of the spinal cord.
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Ipsilateral pathway
Ipsilateral pathway
Remaining axons on the same side of the body.
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Ascending tracts
Ascending tracts
Tracts carrying sensory information up the spinal cord.
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