encephalo-, encephal-

Congenital absence of the brain and the spinal cord.

A congenital absence of the brain and cranial vault, with the cerebral hemispheres completely missing or greatly reduced in size.

Exhibiting anencephaly; having no brain; brainless.

The science of congenital absence of the brain and cranial vault.

Characterized by a partial or a total absence of a brain.

1. Congenital defective development of the brain, with absence of the bones of the cranial vault and absent or rudimentary cerebral and cerebellar hemispheres, brainstem, and basal ganglia.
2. Partial or total absence of the brain at birth.

The part of the primitive embryonic brain from which the forebrain and midbrain develop.

Congenital anomaly with imperfect development of the brain.

1. A syndrome of early childhood, characterized by progressive emaciation in spite of high caloric intake, a euphoric appearance, and occasionaly vertical nystagmus (oscillatory movement of the eyeballs), tremor, and ataxia, due to a tumor in the diencephalon.
2. Convulsive equivalent, a form of epilepsy, especially in children.

The part of the brain between the telencephalon and the mesencephalon, including the thalami and most of the third ventricle: also known as, betweenbrain, interbrain.

An instrument that in a painless and noninvasive manner uses the differential transmission and reflection of ultrasonic waves to create a detailed visual image of the brain.

The process whereby an instrument is used in a painless and noninvasive manner that uses the differential transmission and reflection of ultrasonic waves to create a detailed visual image of the brain.

A pictorial representation of intracranial structures, obtained by echoencephalography.

1. The record obtained by means of the electroencephalograph which presents a record of electric currents generated in the cortex of the active brain.
2. A visual record of the brain that is produced by echoencephalography.

An instrument that measures electrical potentials on the scalp and generates a record of the electrical activity of the brain.