Neuro Words for Nerds


Each week’s Neuro Words for Nerds post defines a neurology term, its pronunciation, etymology, and clinical relevance.

Term: Catamenial epilepsy

A form of epilepsy characterized by change in seizure frequency associated with hormonal changes during the menstrual cycle

Term: Foramen of Monro

The foramen of Monro (a.k.a., interventricular foramen) are channels that connect the lateral ventricles to the third ventricle allowing CSF to pass to the rest of the ventricular system.

Term: Wallerian degeneration

Wallerian degeneration refers to the axonal and myelin degeneration that occurs distal to a site of injury.

Term: Craniotomy

craniectomy is a surgical procedure in which the skull bone flap is not replaced at the end of the surgical procedure.

Term: Schiff-Sherrington

Schiff-Sherrington Syndrome is a body posture characterized by rigid extension of the thoracic limbs sometimes observed in patients with severe T2-L4 spinal cord injury.

Term: Lissencephaly

Lissencephaly literally means smooth brain...

Term: Extrapyramidal

Extrapyramidal refers to the motor tracts that arise outside the cerebral cortex.

Term: Neurotmesis

Neurotmesis is complete severance of the entire nerve fiber, including the axon, myelin sheath, Schwann cells and endoneurium.

Term: Falx cerebri

The falx cerebri is the vertical fold of meninges on the dorsal midline between the two cerebral hemispheres.

Term: Intention tremor

An intention tremor is a form of dysmetria characterized by a large amplitude (broad & coarse), low frequency tremor that increases in severity as the affected extremity approaches its intended target.

Term: Marcus Gunn pupil

The term Marcus Gunn pupil refers to a syndrome in which the affected pupil appears to dilate, rather than constrict, when light is shone into the affected eye while performing a swinging-flashlight test.

Term: Hemineglect

Hemineglect is a syndrome characterized by decreased attention or awareness of one side of space, usually contralateral to a forebrain lesion.