Purkinje cells


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Related to Purkinje cells: GABA, Purkinje cell layer, Pyramidal cells, Granule cells

Pur·kin·je cell lay·er

(pŭr-kin'jē),
the layer of large neuron cell bodies located at the interface of molecular and granular layers in the cerebellar cortex; dendrites of these cells fan outward into the molecular layer in a plane transverse to the folium and axons enter the white matter.

Pur·kin·je cell lay·er

(pŭr-kin'jē sel lā'yĕr)
The layer of large neuron cell bodies located at the interface of molecular and granular layers in the cerebellar cortex; dendrites of these cells fan outward into the molecular layer in a plane transverse to the folium.
Synonym(s): Purkinje cells, Purkinje corpuscles.

Purkinje cells

Nerve cells with very large, pear-shaped bodies and a profuse collection of dendrites that are found in the middle layer of the surface zone (cortex) of the CEREBELLUM. (Johannes Evangelista von Purkinje, 1787–1869, Czech polymath and physiologist).

Purkinje,

Johannes E. von (Jan E. Purkyne), Bohemian anatomist and physiologist, 1787-1869.
Purkinje afterimage - Synonym(s): Bidwell ghost
Purkinje cells - large nerve cells of the cerebellar cortex with a piriform cell body and dendrites arranged in a plane transverse to the folium. Synonym(s): Purkinje corpuscles
Purkinje conduction - conduction of the cardiac impulse through the Purkinje system.
Purkinje corpuscles - Synonym(s): Purkinje cells
Purkinje effect - Synonym(s): Purkinje phenomenon
Purkinje fibers - interlacing fibers formed of modified cardiac muscle cells that are the terminal ramifications of the conducting system of the heart found beneath the endocardium of the ventricles.
Purkinje figures - shadows of the retinal vessels seen as dark lines on a reddish field when a light enters the eye through the sclera and not the pupil.
Purkinje image tracker
Purkinje images - Synonym(s): Purkinje-Sanson images
Purkinje layer - the layer of Purkinje cells between the molecular and granular layers of the cerebellar cortex. Synonym(s): piriform neuron layer
Purkinje network - the network formed by Purkinje fibers beneath the endocardium.
Purkinje phenomenon - in the light-adapted eye, the region of maximal brightness is in the yellow; in the dark-adapted eye, the region of maximal brightness is in the green. Synonym(s): Purkinje effect; Purkinje shift
Purkinje shift - Synonym(s): Purkinje phenomenon
Purkinje system - terminal ramifications in the ventricles of the specialized conducting system of the heart.
Purkinje-Sanson images - the two images formed by the anterior and posterior surfaces of the cornea, and the two images formed by the anterior and posterior surfaces of the lens. Synonym(s): catatropic images; Purkinje images; Sanson images
References in periodicals archive ?
Zinc supplementation does not attenuate alcohol-induced cerebellar Purkinje cell loss during the brain growth spurt period.
The cerebellar folia also had widespread lesions, with a predilection for Purkinje cell necrosis and loss, with characteristic Bergmann glial and microglial proliferation and dendritic spheroids in the overlying layer; however, axonal torpedoes were rarely found (Figure 4).
These changes in behavior indicate that the TSC1 gene in Purkinje cells, and by extension, the cerebellum, are a part of the circuitry for autism disorders," emphasized Sahin.
Roman (2007) hypothesized that even transient intrauterine deficits in thyroid hormones (as little as 3 days) at critical points in gestation could alter the cortical architecture, interfering with neuronal migration and Purkinje cell growth, indications of both of which have been observed in autopsy studies of autism (Fatemi et al.
Studies by Kamper and Bowman [8] and Kern [9] in neuropathological field has been mentioned that a high percentage of purkinje structure injuries is related to reduction in number and sometimes the size of purkinje cells [8,9].
Temporal vulnerability of fetal cerebellar Purkinje cells to chronic binge alcohol exposure: Ovine model.
In the brain, a large number of neurons and glial cells, especially Purkinje cells, showed immunostaining.
This results in the loss of Purkinje cells and the thinning of medullary white matter.
Numerous intracytoplasmic inclusions were identified in the pyramidal neurons of the hippocampus, pigmented neurons of the substantia nigra, and Purkinje cells of the cerebellum (Figure 2, cerebellum, arrow identifies intracytoplasmic inclusions, hematoxylin-eosin, original magnification x400).
Purkinje cells are large and complex cells that perform much of the integration in the cerebellum.
Secretin released by Purkinje cells may regulate the responsiveness of the nearby cells to GABA, the researchers suggest.
Motor skills are perfected via the strengthening and weakening of connections, called synapses, between Purkinje cells and other cells supplying inputs to them.