Med Term Module 5

Nerv/o

nerve

Neur/o

nerve, sinew

Crani/o

cranium (portion of the skull that encloses the brain)

Cephal/o

head

Encephal/o, -Encephalon

brain

Cerebr/o

cerebrum (largest part of the brain), brain

Cerebell/o

cerebellum

Pont/o

pons (of the brain), bridge-like structure

Limb/o

limbic system, border

Hippocamp/o

hippocampus, seahorse

Thalam/o

thalamus (mass of gray matter located in the diencephalon), chamber, inner room

Amygdal/o

amygdala (almond-shaped nuclei in the temporal lobe), almond, tonsil

Nucle/o

nucleus (group of neuronal cell bodies), core, little nut or kernel

Mening/o, -Meninx

Meninx (one of the three membranes enveloping the brain and spinal cord), membrane

Lept/o

thin

Pachy-, Pach/o

Thick

Arachn/o

arachnoid membrane, spider, spider-like

Dur/o

dura mater membrane, hard

Lob/o

lobe

Gyr/o

gyrus (a convolution of the cerebrum), circle, ring

Sulc/o

sulcus (groove of brain), furrow, groove

Fissur/o

fissure, deep groove

Fid/o, Fiss/o

split, cleave

Ventricul/o

ventricle, small cavity

Coel/o, Cel/o

cavity, hollow

Cortic/o

cortex (cerebrum), outer layer, bark

Myel/o

spinal cord, marrow

Medull/o

medulla, marrow

Poli/o

gray, gray matter of CNS

Fascicul/o

fascicle, bundle of longitudinal fibers

Funicul/o

funicle, rope-like

Fun/o

rope, cord

Radicul/o, Radic/o

nerve root, root

Rhiz/o

nerve root, root

Ram/o

nerve branch, branch

Plex/o

plexus (interwoven network of nerves, blood, lymphatic vessels)

Gangli/o

ganglion (groups of nerve cells)

Gli/o

glia (supporting tissue of the nervous system), glue

Somat/o, Som/o, -Some

body (body of neuron)

Dendr/o

dendrite (part of neuron), tree, branched structure

Ax/o

axon (long process of a neuron), axle, axis

Not/o

the back

Spin/o

spine, thorn, vertebral column

Vertebr/o, Spondyl/o

vertebra, back bone

Esthesi/o, Esthet/o, -Esthesia

sensation, perception

Gnost/o, -Gnosia, -Gnosis

knowledge

Mnemon/o, -Mnesia

memory

Leth/o

forgetfulness

Letharg/o

mental sluggishness, drowsiness

Top/o

place, spot, region

Stere/o

solid, three-dimensional

Kinesi/o, Kine/o, -Kinesia

movement

Mot/o

movement

Praxi/o, -Praxia, -Praxis

activity, doing, practice

Tax/o

coordination, order

Ton/o

tension, stretching, tone (esp. in muscles)

Spasm/o, Spast/o

spasm (a sudden involuntary muscle contraction)

Leps/o, Lept/o, -Lepsy

seizure

Ict/o, -Ictal

seizure, stroke (CVA), blow

Pykn/o, Pycn/o

thick, dense, frequent

Pleg/o, -Plegia, Plect/o, -Plexy

paralysis, stroke

Palsy

paralysis

-Paresis

partial paralysis

Sthen/o

strength

Clon/o

Clonus (i.e. spasmodic alteration of muscle contractions)

Chore/o

chorea (i.e. involuntary dancing/writhing movement), dance

Narc/o

stupor, sleep

Hypn/o, Somn/o, Sopor/o

sleep

Comat/o, -Coma

coma (i.e. state of unconsciousness that cannot be aroused from)

Lal/o, -Lalia

speech

Phas/o, -Phasis, -Phasia

speech

Phras/o, -Phrasia

speech, phrase

Lex/o

word, speech, reading

Log/o, -Logy

speech, reason, word

Phag/o, -Phagia

eat, swallow

Vert/o, Vers/o

turning

Trem/o, Tremul/o

shaking, trembling

Opistho-

backward, behind

Oneir/o

dream

Psych/o

mind, soul

Phren/o

mind, diaphragm, phrenic nerve

Ment/o

mind

No/o

mind, thought

Thym/o

emotion, state of mind

Path/o, -Pathy

feeling, disease

Phor/o, -Phoria

bearing (*in psychology, a mental state in respect to emotional well-being), carrying, bringing

Hedon/o

pleasure

Mani/o, -Mania

frenzy, madness

Hallucin/o

a false sensory perception

Phant/o, Phantasm/o

illusion, hallucination

Phaner/o

evident, visible

Phob/o, -Phobia

fear, avoidance

Panic

Panic

Narciss/o

self-love

Phil/, -Philia

attraction, love

-Lagnia

lust, sexual arousal

Orect/o, Orex/o

appetite

Vis/o

seeing, sense of sight

Opt/o, Optic/o

seeing, sense of sight

Op/o, -Opia, Ops/o, -Opsia, -Opsis

seeing, sense of sight