Brain cavity and cranial nerves

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created 7 years ago by Wcc2014
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1

cavity of cerebrum

lateral ventricle

2

cavity of diencephalon

third ventricle

3

cavity of midbrain

cerebral aqueduct

4

cavity of cerebellum

fourth ventricle

5

cavity of pons

fourth ventricle

6

cavity of medulla

central canal

7

cranial nerves originating from the cerebrum

olfactory and optic

8

cranial nerves originating from diencephalon

none

9

cranial nerves originating from midbrain

oculomotor and trochlear

10

cranial nerves originating from cerebellum

none

11

cranial nerves originating from pons

Trigeminal, abducen, facial, and part of auditory

12

cranial nerves originating from medulla

part of auditory, glossopharyngeal, vagus, accessory, hypoglossal

13

the major ascending pathways

dorsal column-medial lemniscal, spinothalamic, and spinocerebella pathways.

14

which pathway carries discriminative touch and vibrations

dorsl column-medial lemniscal pathway

15

what pathway is the following:
1st-dorsal root ganglia
2nd-medulla
3rd-thalamus and then goes to the postsensory gyri

dorsal column-medial lemniscal

16

which pathway carries the sensation of pain, temperature, coarse touch and pressure

spinothalamic pathway

17

what pathway is the following:
1st-dorsal root ganglia
2nd-dorsal horn and crosses horn
3rd-thalamus to post central gyri

spinothalamic pathway

18

which pathway transmits information form the muscle or tendon to the cerebellum to coordinate skeletal muscle activity

spinocerebellar pathway

19

what pathway is the following:
1st-dorsal root ganglia
2nd-dorsal horn,, does not cross over, goes to cerebellum

spinocerebellar pathway

20

what are the major types of descending pathways

lateral corticospinal and ventral corticospinal

21

which pathway is the following:
1st-nerons located in the precentral gyrus (primary motor cortex) crosses over at the level of the pyramid of the medulla oblongata.
2nd-at interneuron
3rd-orginates in the ventral horn of spinal cord and goes to the muscle

descending lateral corticospinal tract

22

what pathway is the following:
1st-located in precentral gyri, goes to spinal cord and crosses over at the level its going to exist the spinal cord.
2nd-at interneuron
3rd-starts in ventral horn and goes to the muscle

ventral corticospinal

23

what are the names of the indirect pathways

tectospinal, vestibulospinal, rubrospinal, reticulospinal