Brain Stem Cross Sections

For last lab exam

A

posterior median sulcus

B

posterior intermediate sulcus

C

anterior median fissure

D

gracile fasciculus

E

Gracile nucleus

F

fasciculus cuneatus

G

spinal trigeminal tract

H+I collectively

spinal trigeminal nucleus

J

Accessory nucleus

K

pyramidal decussation

L

lateral corticospinal tract

M

rubrospinal tract

N

posterior spinocerebellar tract

O

anterior spinocerebellar tract

P

lateral spinothalamic tract

Q

anterior spinothalamic tract

R

lateral vestibulospinal tract

S

medial longitudinal fasciculus

T

tectospinal tract

U

central canal

A

Fasciculus gracilis

B

gracile nucleus

C

fasciculus cuneatus

D

cuneate nucleus

E

spinal trigeminal tract

F+G collectively

spinal trigeminal nucleus

H

accessory nucleus

I

pyramidal decussation

J

rubrospinal tract

K

posterior spinocerebellar tract

L

anterior spinocerebellar tract

M

lateral spinothalamic tract

N

anterior spinothalamic tract

O

lateral vestibulospinal tract

P

medial longitudinal fasciculus

Q

tectospinal tract

A

fasciculus gracilis

B

gracile nucleus

C

fasciculus cuneatus

D

cuneate nucleus

F

internal arcuate fibers

G

decussation of internal arcuate fibers

H

medial lemniscus

I

hypoglossal nucleus

J

dorsal motor nucleus vagus

K

solitary fasciculus

L

solitary nucleus

M

dorsal longitudinal fasciculus

N

spinal trigeminal tract

O

spinal trigeminal nucleus

P

posterior spinocerebellar tract

Q

anterior spinocerebellar tract

R

spinal lemniscus

S

lateral vestibulospinal tract

T

rubrospinal tract

U

lateral reticular nucleus

V

medial accessary olivary nucleus

W

pyramidal (corticospinal) tract

X

arcuate nucelus

Y

medial longitudinal fasciculus

Z

tectospinal tract

a

fascicles of hypoglossal nerve

A

Lateral Cuneate nucleus

B

dorsal external arcuate fibers

C + D collectively

vestibular nuclei

C + D collectively

vestibular nuclei

E

dorsal motor nucleus of vagus nerve

F

solitary fasciculus

G

solitary nucleus

H

nucleus ambiguous

I

fascicles of glossopharyngeal nerve

J

hypoglossal nucleus

K

fascicles of hypoglossal nerve

L

dorsal longitudinal fasciculus

M

central tegmental tract

N

inferior olivary nucleus

R

inferior cerebellar peduncle

S

spinal trigeminal tract

T

spinal trigeminal nucleus

U

ventral trigeminothalamic tract

V

pyramidal (corticospinal) tract

W

rubrospinal tract

X

anterior spinocerebellar tract

Y

spinal lemniscus

Z

medial longitudinal fasciculus

a

tectospinal tract

b

medial lemniscus

c

vagus nerve

d

inferior salivatory nucleus

A + B collectively

vestibular nuclear complex

D

solitary fasciculus

E

solitary nucleus

F

nucleus ambiguous

G

fascicles of glossopharyngeal nerve

H

spinal trigeminal tract

I

spinal trigeminal nucleus

J

ventral trigeminothalamic tract

K

central tegmental tract

L

interior olivary nucleus

O

inferior cerebellar peduncle