Podcast
Questions and Answers
Where are the cell bodies of afferents in the trigeminal nerve (except those conveying proprioception) located?
Where are the cell bodies of afferents in the trigeminal nerve (except those conveying proprioception) located?
- Spinal cord
- Thalamus
- Medulla oblongata
- Dorsal root ganglion (correct)
Which nucleus mediates fine touch stimuli, joint position, and vibration in the trigeminal nerve pathway?
Which nucleus mediates fine touch stimuli, joint position, and vibration in the trigeminal nerve pathway?
- Mesencephalic nucleus
- Trigeminal sensory nucleus
- Chief sensory nucleus (correct)
- Spinal nucleus
The trigeminothalamic tract provides somatic sensation to which parts of the body?
The trigeminothalamic tract provides somatic sensation to which parts of the body?
- Lower limbs
- Head and neck (correct)
- Abdomen
- Upper limbs
Where does the spinal nucleus of the trigeminal nerve extend into?
Where does the spinal nucleus of the trigeminal nerve extend into?
Which part of the brain stem houses the trigeminal sensory nucleus?
Which part of the brain stem houses the trigeminal sensory nucleus?
Which nucleus mediates pain and temperature sensations in the trigeminal nerve pathway?
Which nucleus mediates pain and temperature sensations in the trigeminal nerve pathway?
Where does the central process make synaptic connections that mediate spinal reflexes and intersegmental coordination?
Where does the central process make synaptic connections that mediate spinal reflexes and intersegmental coordination?
Where does the second neuron have its cell body?
Where does the second neuron have its cell body?
Which structure does the Axon of the third neuron pass through before reaching the somatosensory cortex?
Which structure does the Axon of the third neuron pass through before reaching the somatosensory cortex?
What is the function of the dorsal (posterior) columns in the spinal cord?
What is the function of the dorsal (posterior) columns in the spinal cord?
Where does the main fiber of the central process remain?
Where does the main fiber of the central process remain?
Which part of the central nervous system does the Axon of the second neuron cross over to?
Which part of the central nervous system does the Axon of the second neuron cross over to?
Where are the cell bodies of proprioceptive afferents from the muscles of mastication and the temporomandibular joint located?
Where are the cell bodies of proprioceptive afferents from the muscles of mastication and the temporomandibular joint located?
Where do the axons of 2nd order neurons in the trigeminal nucleus decussate?
Where do the axons of 2nd order neurons in the trigeminal nucleus decussate?
Where do 3rd order neurons in the thalamus project to?
Where do 3rd order neurons in the thalamus project to?
Which part of the brain houses the mesencephalic nucleus of the trigeminal?
Which part of the brain houses the mesencephalic nucleus of the trigeminal?
Which structure receives input from 2nd order neurons in the trigeminal nucleus?
Which structure receives input from 2nd order neurons in the trigeminal nucleus?
What is the function of 3rd order neurons in the thalamus?
What is the function of 3rd order neurons in the thalamus?
