The fibers of corticonuclear tract come from()
A. The upper and middle parts of the postcentral gyrus, and the posterior part of the paracentral lobule
B. The inferior part of the postcentral gyrus
C. The upper and middle parts of the precentral gyrus, and the anterior part of the paracentral lobule
D. The inferior part of the precentral gyrus
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The injury of corticospinal tract on one side of spinal cord leads to( )
A. Ipsilateral paralysis and increased muscular tension
B. The ipsilateral paralysis and tendon reflex disappeared
C. The contralateral limb paralysis and tendon reflex disappeared
D. The contralateral limb paralysis and decreased muscular tension
The corticospinal tract mainly innervates the movement of skeletal muscle of( )
A. ipsilateral upper and lower limb
B. contralateral upper and lower limb
C. ipsilateral trunk and limbs
D. both trunk and limbs
The nucleus that receives only the fibers of the contralateral corticonuclear tract is( )
A. Motor nucleus of trigeminal nerve
B. Nucleus of trochlear nerve
C. Nucleus of hypoglossal nerve
D. Nucleus of abducent nerve
Which of the following structures may cause paralysis of the contralateral lingual muscle after injury( )
A. Rubrospinal tract
B. Corticonuclear tract
Corticospinal tract
D. Posterior limb of internal capsule
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