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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
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Contract award notice: Pa 2018-0-6, Hydrocephalus valve implants
Objective: The purpose of this retrospective study was to clarify the relationship of shunt infection to childhood hydrocephalus etiology.
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1] Hydrocephalus often develops in TBM when the inflammatory exudates cause cerebrospinal fluid (CSF) outflow obstruction in the ventricular system.
Hydrocephalus is most often treated by surgically inserting a shunt system.
Maternal febrile illness in the first trimester, maternal age >35 years, use of herbal medications, exposure to drugs, lack of use of periconceptional folic acid supplementation were the possible risk factors for various CNS anomalies especially neural tube defects, a closely related condition to hydrocephalus and these factors may impact the incidence of at least the congenital variety of hydrocephalus in any geographic area.
It is characterized by hydrocephalus, intellectual disability, adducted thumbs and spasticity of the legs.
Qatar Red Crescent (QRCS)'s mission in Yemen has completed the second phase of a project to distribute cerebrospinal fluid (CSF) collection machines to 430 needy infants with hydrocephalus, at a total cost of $120,000 (QR436,800).
At 7 months old, Frenzo Escototo is already battling two ailments: Leukemia and, recently, hydrocephalus.