Brainstem Flashcards
ID Structure
Substantia Nigra
ID Structure
Superior Colliculus
ID Structure
Cerebral Aqueduct
ID Structure
Cerebral Peduncle
ID Structure
Mammillary Bodies
ID function of fibers traveling in highlighted structure
motor command to skeletal muscle
(structure: corticospinal tract)
The neurons traveling in the highlighted structure are classified as
a) 1st order.
b) 2nd order.
c) 3rd order.
d) upper motor.
e) lower motor.
d) upper motor
These are the upper motor neurons of the corticospinal tract traveling through the cerebral peduncles of the midbrain.
Focusing on the highlighted area, where are the cell bodies of these neurons located?
a) dorsal root ganglion
b) precentral gyrus
c) postcentral gyrus
d) ventral horn
b) precentral gyrus
The corticospinal tract is highlighted.
The upper motor neuron, specifically, is visible on the slide because you are in the cerebral peduncle.
This tract carries motor fibers.
Thus, the cell bodies are in the precentral gyrus.
ID highlighted structure
Corticospinal tract
ID the brain structure through which the highlighted structure is passing through on this slide.
a) internal capsule
b) midbrain
c) pons
d) medulla
c) pons
The highlighted structure is the corticospinal tract.
On this slide, we see it passing through the pons.
ID highlighted structure
Corticospinal tract
ID highlighted structure
Corticospinal tract
ID highlighted structure
Corticospinal tract
