Without

Example: Aphasia – a condition characterized by the complete loss of ability to speak or understand language.

Without, not

Example: Anencephaly – a condition where a major portion of the brain, skull, and scalp is absent.

Difficult, painful, abnormal

Example: Dysphasia – difficulty speaking.

Half

Example: Hemiparesis – weakness on one side of the body.

Excessive, above normal

Example: Hyperreflexia – exaggerated reflexes.

Not, inward

Example: Insomnia – inability to sleep.

Between

Example: Interneuron – a neuron that transmits signals between other neurons.

Within, inside

Example: Intracranial – located or occurring within the skull.

All, entire

Example: Panhypopituitarism – decreased function of all pituitary hormones, affecting the nervous system.

Beside, abnormal

Example: Paraplegia – paralysis of the lower half of the body.

Many

Example: Polyneuropathy – damage or disease affecting multiple nerves.

After

Example: Postictal – the state following a seizure.

Before

Example: Presynaptic – relating to the area before a synapse.

Under, below

Example: Subdural – located beneath the dura mater, a membrane surrounding the brain and spinal cord.