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n. A usually congenital condition in which an abnormal accumulation of fluid in the cerebral ventricles causes enlargement of the skull and compression of the brain, destroying much of the neural tissue.

n. (medicine) A usually congenital condition in which an abnormal accumulation of fluid in the cerebral ventricles causes enlargement of the skull and compression of the brain, destroying much of the neural tissue

n. An accumulation of liquid within the cavity of the cranium, especially within the ventricles of the brain; dropsy of the brain. It is due usually to tubercular meningitis. When it occurs in infancy, it often enlarges the head enormously.

n. In pathology, an accumulation of serous fluid within the cranial cavity, either in the subdural space (external hydrocephalus) or in the ventricles (internal hydrocephalus).

n. [capitalized] In zoology, a genus of trilobites.

n. an abnormal condition in which cerebrospinal fluid collects in the ventricles of the brain; in infants it can cause abnormally rapid growth of the head and bulging fontanelles and a small face; in adults the symptoms are primarily neurological

"Fetal hydrocephalus is also commonly associated with congenital malformation syndromes."

abnormality    abnormalcy   

internal hydrocephalus   

noncardiogenic    psycho-motor    parenchymal    thromboembolic    pulmonic    hilar    intrauterine    negative-pressure    embolus    postnatal