Ch: 14 Continued Flashcards
Left cerebral cortex
Speech/dominance
Aphasia
Absent, defective, speech, comprehension
Dorsal column
Fasciculus gracilis
Fasciculus cuneatus
Fasciculus gracilis
Sensation from inferior to mid thoracic level
Fasciculus cuneatus on body
And pulls from above mid thorax
Anteriolateral system
Spinothalamic
Fasciculus, gracilis, cuneatus sensations
Two-point, discrimination, proprioception, pressure, vibration to cerebrum and cerebellum
Orders of dorsal column
First order:
Cell bodies: dorsal root ganglion
Second order:
Cell bodies: medulla of gracilis and cuneatus
Third order:
Cell bodies: contralateral thalamus
Spinothalamic tract
First order:
Cell bodies: dorsal root ganglion
Second order:
Cell bodies: ipsilateral, gray matter
Third order:
Cell bodies: contralateral thalamus
Location of Decussation of dorsal column
Lower medulla from second order neuron
Location of Decussation of Spinothalamic tract
the first order, neuron entering the spinal cord
The neuron involved in the spinothalamic tract and dorsal column
Second order neuron
Motor nerve descending function
Control muscle tone, skill movement of face in limbs
Order of the primary motor cortex
Upper motor neuron:
Cell body : primary motor cortex
Lower motor neuron:
Cell body: ventral, gray horn
Location of Decussation of anterior
Medulla oblongata
