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 (hī′drō-sĕf′ə-ləs) also hy·dro·ceph·a·ly (-lē)
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.

[New Latin, from Greek hudrokephalon : hudro-, hydro- + kephalē, head; see ghebh-el- in Indo-European roots.]

hy′dro·ce·phal′ic (-sə-făl′ĭk), hy′dro·ceph′a·loid′ (-loid′), hy′dro·ceph′a·lous (-ləs) adj.


(ˌhaɪdrəʊˈsɛfələs) or


(Pathology) accumulation of cerebrospinal fluid within the ventricles of the brain because its normal outlet has been blocked by congenital malformation or disease. In infancy it usually results in great enlargement of the head. Nontechnical name: water on the brain
hydrocephalic, ˌhydroˈcephaloid, ˌhydroˈcephalous adj


(ˌhaɪ drəˈsɛf ə ləs)

also hy`dro•ceph′a•ly,

an accumulation of serous fluid within the cranium, esp. in infancy, due to obstruction of the movement of cerebrospinal fluid, often causing great enlargement of the head; water on the brain.
[1660–70; < Late Latin hydrocephalus (morbus) water-headed (sickness), translation of Greek tò hydroképhalon páthos. See hydro-1, -cephalous]
hy•dro•ce•phal•ic (ˌhaɪ droʊ səˈfæl ɪk) adj., n.
hy`dro•ceph′a•lous, adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hydrocephalus - 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
abnormalcy, abnormality - an abnormal physical condition resulting from defective genes or developmental deficiencies


[ˌhaɪdrəʊˈsefələs] Nhidrocefalia f


n. hidrocéfalo, acumulación de líquido cefalorraquídeo en los ventrículos del cerebro.


n hidrocefalia; normal pressure — hidrocefalia normotensiva
References in periodicals archive ?
Her past medical history included hypertension and normal pressure hydrocephalus, and her vital signs were within normal limits.
Evan's index revisited: the need for an alternative in normal pressure hydrocephalus.
Other causes include vascular dementia, dementia with Lewy bodies, frontotemporal lobar degeneration, Parkinson's disease, Creutzfeldt-Jakob disease and normal pressure hydrocephalus.
The diagnosis of normal pressure hydrocephalus (symptomatic hydrocephalus) was set and the patient was treated medica-mentously (NaCl solution, Hartmann solution, mannitol 20%, furosemide, nifedipine, metoclopramide, metamizole-sodium, and ranitidine).
The company is currently developing its first two product candidates, including the Self Cleaning Shunt, or SCS, for the treatment of hydrocephalus and Normal Pressure Hydrocephalus, or NPH; and TipCAT, a self-propelling, semi-disposable endoscope that is being developed initially for use in colonoscopy procedures.
Most (92%, or 216) patients who developed dementia had probable Alzheimer's disease, while 9 had vascular dementia, 4 had Lewy body dementia, 3 had frontotemporal dementia, 1 had progressive supranuclear palsy, and 1 had dementia associated with normal pressure hydrocephalus.
Neurological diseases are the major cause of Othello syndrome [sup][1] including epilepsy, cerebral infarction or hemorrhage, dementia, Parkinson's disease, encephalitis, normal pressure hydrocephalus, multiple sclerosis, delirium, and tumors.
Normal pressure hydrocephalus (NPH) is characterized by gait disturbance, dementia, or urinary incontinence that is associated with dilation of the brain's ventricular system with normal opening CSF pressure (Table 1, page 68).
18 - Systems for the treatment of normal pressure hydrocephalus in adults,Task No.
nonreversible dementia, advances in treatment, and imaging of deep brain stimulation; and imaging of Alzheimer's disease, non-Alzheimer's cortical dementia, dementia with extrapyramidal syndromes, vascular dementia, infection and inflammatory conditions associated with dementia, normal pressure hydrocephalus, tumor-related cognitive dysfunction, trauma, endocrine and toxin-related dementia, inborn errors of metabolism, cerebellar degeneration and dysfunction, and motor neuron disorders.
Neuropsychiatric symptoms in patients with ideopathic normal pressure hydrocephalus.
Q My father, 72, has been diagnosed with normal pressure hydrocephalus.