Terms And Affixes Used In Reference To The Nervous System

Front 1

afferent

Back 1

inflowing or toward the center

Hint 1

afferent nerves--nerves that send impulses toward the central nervous system, that is, sensory nerves

Front 2

amygdaloid

Back 2

almond shaped

Hint 2

amygdaloid nucleus--an almond-shaped collection of nerve cell bodies in the temporal lobe of the cerebrum, immediately anterior to the inferior horn of the lateral ventricle

Front 3

arachnoid

Back 3

resembling a spider's web

Hint 3

arachnoid--the intermediate (middle) layer of the meninges

Front 4

arbor vitae

Back 4

literally "tree of life"

Hint 4

arbor vitae--the white matter of the cerebellum; upon sagittal sectioning, its appearance is similar to a tree with branches

Front 5

Bulbar

Back 5

pertaining to the brainstem

Hint 5

bulbar palsy--progressive muscular paralysis that results from degeneration of the cell bodies of the cranial nerves in the brainstem

Front 6

callosum

Back 6

huge, massive

Hint 6

corpus callosum--a masive bundle of myelinated fibers connecting the two cerebral hemispheres

Front 7

cauda equina

Back 7

literally "horse tail"

Hint 7

cauda equina--the roots of all of the spinal nerves below the first lumbar spinal nerves, somewhat resembling a horse's tail due to their arrangement

Front 8

caudate

Back 8

pertaining to the tail

Hint 8

caudate nucleus--a mass of nerve cell bodies that consists of a head with a long curved tail

Front 9

cerebellar

Back 9

pertaining to the cerebellum

Hint 9

cerebellar gait--a wide-based gait with unsteadiness evident upon lateral movement

Front 10

cerebelli

Back 10

pertaining to the cerebellum

Hint 10

tentorium cerebelli--a strong fold of the dura mater that separates the cerebellum from the occipital region of the cerebrum

Front 11

cerebello

Back 11

pertaining to the cerebellum

Hint 11

cerebellopontine angle--a recessed area where the cerebellum, pons, and medulla converge

Front 12

cerebral

Back 12

pertaining to the cerebrum

Hint 12

cerebral palsy--a neurological condition affecting motor ability and coordination due to damage to the primary and/ or secondary motor pathways

Front 13

cerebri

Back 13

pertaining to the cerebellum

Hint 13

crus cerebri--the tightly compacted nerve tibers passing througn the ventral midbrain

Front 14

cerebro-

Back 14

pertaining to the cerebellum

Hint 14

cerebrovascular accident--a stroke, caused by damage to the vascular system of the cerebrum

Front 15

cingulate

Back 15

to surround

Hint 15

cingulate gyrus--a long curved convolution of the medial cerebral hemisphere immediately above the corpus callosum and surrounding it to a certain degree

Front 16

colliculus

Back 16

a small mound or elevation

Hint 16

inferior collinculus--one of two paired swellings in the dorsal midbrain that are part of the auditory pathway

Front 17

corona

Back 17

a crown

Hint 17

corona radiata--widely radiating fibers of the internal capsule that somewhat resemble a crown

Front 18

corpora

Back 18

a body

Hint 18

corpora quadrigemina--fiour oval masses (superior and inferior colliculi) found in the dorsal midbrain that are part of the visual and auditory pathways

Front 19

cortical/ cortico

Back 19

pertaining to the cerebral cortex

Hint 19

cortical blindness--a loss of vision as a result of damage to the cerebral cortex

Front 20

cranial

Back 20

pertaining to the cranium or head

Hint 20

cranial nerves--the nerves originating in the brainstem that primarily supply the muscles and viscera of the head and neck

Front 21

dural

Back 21

pertaining to the dura mater

Hint 21

subdural hematoma--a hemorrhage into the space immediately below the dura mater

Front 22

efferent

Back 22

outflowing or away from the center

Hint 22

efferent nerves--nerves that send impulses awas from the central nervous system, that is, motor nerves

Front 23

encephalon

Back 23

pertaining to the brain

Hint 23

mesencephalon--the midbrain

Front 24

fasciculus

Back 24

a bundle, usually in reference to nerve fibers

Hint 24

arcuate fasciculus--a bowed bundle of nerve fibers in the cerebrum connecting

Front 25

fissure

Back 25

a deep furrow or cleft

Hint 25

longitudinal fissure--the deep cleft that separates the two cerebral hemispheres

Front 26

flocculo

Back 26

pertaining to the flocculus (a part of the cerebellum)

Hint 26

flocculonodular lobe--a small lobe of the cerebellum that is part of the vestibular system

Front 27

geniculate

Back 27

bent sharply, like a knee

Hint 27

medial geniculate body--one of a pair of bodies on the posterior and inferior surface of the thalamus that are part of the auditory pathway

Front 28

lemniscus

Back 28

ribbon

Hint 28

lateral lemniscus--a thin tract of fibers in the brainstem that sends auditory information to the inferior colliculus in the midbrain

Front 29

lenticular

Back 29

bi-convex or lentil shaped

Hint 29

lenticular nucleus--a bi

Front 30

meningeal

Back 30

pertaining to the meninges covering the brain and spinal cord

Hint 30

meningeal vessel grooves--a series of depressions on theinner surface of the bones of the cranium where the blood vessels covering the brain reside

Front 31

-neurium

Back 31

pertaining to nerve tissue or nerves

Hint 31

epineurium--the outermost layer of connective tissue surrounding peripheral nerve trunks

Front 32

neuro

Back 32

pertaining to the nervous system or nerves

Hint 32

neuromuscular junction--the point where nerve fibers innervate muscle fibers to create a contraction

Front 33

nodular

Back 33

pertaining to the nodulus (a part of the vermis of the cerebellum)

Hint 33

flocculonodular lobe--a small lobe of the cerebellum that is part of the vestibular system

Front 34

olivo

Back 34

pertaining to the olivary nucleus

Hint 34

olivocerebellar--nerve fibers that pass from the llivary nucleus in the medulla to the opposite hemisphere of the cerebellum

Front 35

pontine

Back 35

pertaining to the pons

Hint 35

cerebellopontine angle--a recessed area where the cerebellum pons, and medulla converge

Front 36

pyramidal

Back 36

pertaining to the pyramids on the anterior surface of the medulla

Hint 36

pyramidal motor tract--the primary motor pathway that originates in the precentral gyrus of the cerebral cortex and eventually decussates at the pyramids before traveling down the spinal cord

Front 37

quadrigemina

Back 37

fourfold

Hint 37

corpora quadrigemina--four oval masses (superior and inferior colliculi) found in the posterior midbrain that are part of the visual and auditory pathways

Front 38

spinal

Back 38

pertaining to the spinal column

Hint 38

cortico spinal tract--the primary motor pathway that originates in the precentral gyrus of the cerebral cortex and provides input to the spinal nerves

Front 39

sulcus

Back 39

a slight groove or depression, not quite as deep as a fissure

Hint 39

central sulcus-an obliquely directed groove in each cerebral hemisphere that separates the frontal from the parietal lobes

Front 40

Thalmic/ thalmo-

Back 40

pertaining to the thalamus

Hint 40

subthalmac nucleus--a subcortical mass of nerve cell bodies within proximity to the substantia nigra

Front 41

uncinate

Back 41

hook shaped

Hint 41

uncinate fasciculus--nerve fibers that hook around the lateral sulcus to connect the orbital cortex with the anterior temporal cortex.