vermian


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vermian

adjective Referring to the vermis of the cerebellum.
References in periodicals archive ?
c) Left internal carotid injection in late arterial phase showing a PTA that supplies the anterior inferior cerebellar arteries (AICA) and inferior vermian (arrow) and hemispheric (arrowhead) branches of posterior inferior cerebellar arteries (PICA).
The constellation of episodic hyperpnoea, developmental delay and cerebellar vermian dysgenesis with ataxia was initially described by Joubert et al in 1969.
Radiologically, posterior fossa and brain stem anomalies are seen such as cerebellar vermian dysgenesis, expanded 4th ventricle, and thickened strained superior cerebellar peduncle.
Marie Joubert first described this syndrome in 1968 as a rare autosomal recessive disorder characterised by the neuroradiological hallmark of the molar tooth sign caused by cerebellar vermian hypoplasia.
These results suggested that the specialized abilities of balance and coordination in skaters are associated with a certain amount of flexibility in the structure of the right hemisphere of the cerebellum and vermian VI-VII.
Traumatic fracture of the clivus and vermian contusion in a child.
age Development Dorsal induction 5-6 wks Closure of neural tube Ventral induction 7-12 wks Formation of brain segments and face Migration and 12-24 wks Migration of neurons from histiogenesis periventricular germinal matrix to cortex; cortical organisation Myelination 24 wks-3 Myelination yrs Stage Anomalies Dorsal induction Anencephaly, encephalocoele, Chiari malformation, spina bifida Ventral induction Holoprosencephaly, corpus callosum agenesis, vermian agenesis, facial abnormalities Migration and Gray matter heterotopias (e.
The so-called sag model postulates that haemorrhage results from altered cerebrospinal fluid hydrodynamics, causing caudal sagging of the cerebellum with stretching of cerebellar vermian veins (1).
Sonographic detection of inferior vermian agenesis in Dandy-Walker malformations: prognostic implications.
The various posterior fossa malformations detected were Dandy Walker malformation (DWM, 1 case), Dandy Walker variant (DWV, 2 cases), mega cisterna magna (MCM, 8 cases), arachnoid cysts (5 cases), Chiari 1 malformation (5 cases), Chairi 2 malformation (2 cases), Joubert malformation (1 case), lipoma (2 cases), vermian and/or cerebellar hypoplasia without posterior fossa cysts (4 cases).