anterior horn

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an·te·ri·or horn

[TA]
1. the frontal or anterior division of the lateral ventricle of the brain, extending forward from the Monro interventricular foramen;
See also: anterior column, gray columns.
2. the anterior horn or anterior (ventral) gray column of the spinal cord as appearing in cross section. The anterior horn is composed of the spinal laminae VIII and IX [TA] of Rexed with portions of VII also extending into its geographical boundaries in lumbosacral and cervical levels. The nuclei of the anterior horn are the anterolateral nucleus [TA] or ventrolateral nucleus [TAalt] (nucleus anterolateralis [TA]), anterior nucleus [TA] (nucleus anterior [TA]), anteromedial nucleus [TA] or ventromedial nucleus [TAalt] (nucleus anteromedialis [TA]), posterolateral nucleus [TA] or dorsolateral nucleus [TAalt] (nucleus posterolateralis [TA]), retroposterior lateral nucleus [TA] or retrodorsal lateral nucleus [TAalt] (nucleus retroposterolateralis [TA]), posteromedial nucleus [TA] or dorsomedial nucleus [TAalt] (nucleus posteromedialis [TA]), central nucleus [TA] (nucleus centralis [TA]), and the accessory nucleus and phrenic nucleus (both found in cervical levels only).
See also: anterior column, gray columns.
Synonym(s): cornu anterius [TA], ventral horn

anterior horn

Etymology: L, ante + prior, foremost, cornu, horn, spina, spine; Gk, chorde, string
one of the hornlike projections of gray matter into the white matter of the spinal cord. The anterior horn contains efferent fibers innervating skeletal muscle tissue. Also called anterior column, ventral column, ventral horn.

an·te·ri·or horn

(an-tēr'ē-ŏr hōrn) [TA]
1. The anterior or frontal division of the lateral ventricle of the brain, extending forward from Monro interventricular foramen.
See: lateral ventricle
2. The anterior or ventral gray column of the spinal cord as appearing in cross-section.
See also: gray columns
Synonym(s): cornu anterius [TA] , precornu, ventral horn.

an·te·ri·or horn

(an-tēr'ē-ŏr hōrn) [TA]
1. [TA] Frontal or anterior division of the lateral ventricle of the brain, extending forward from the interventricular (Monro) foramen.
2. Anterior horn or anterior (ventral) gray column of the spinal cord as appearing in cross-section.
References in periodicals archive ?
Anterior nucleus of the thalamus-deep brain stimulation inhibit apoptosis in the CA3 region of hippocampus
Stimulation of the anterior nucleus of the thalamus induces changes in amino acids in the hippocampi of epileptic rats.
The study, known as SANTE[R] (Stimulation of the Anterior Nucleus of the Thalamus in Epilepsy), is the only prospective, randomized, double-blind pivotal study to evaluate the use of Medtronic DBS for epilepsy.
The results from the SANTE study showed that stimulating the left and right anterior nucleus of the thalamus - the brain's central message and relay station - with Medtronic's DBS therapy for epilepsy in conjunction with epilepsy medications produced a statistically significant median percent reduction in seizures compared to a no stimulation control group at the end of the blinded phase of the study (38 percent in the treatment groups vs.
With 110 patients now implanted with the Intercept[TM] Epilepsy Control System, results of the study - the SANTE (Stimulation of the Anterior Nucleus of the Thalamus in Epilepsy) Trial - are expected to be available during 2008.
Ongoing at 17 medical centers in the United States, the SANTE Trial is using existing Medtronic DBS technology to determine whether bilateral stimulation of the anterior nucleus of the thalamus - the brain's central message and relay station - can safely and effectively reduce seizure frequency in people with epilepsy.
The trial uses existing technology to test whether bilateral stimulation of the anterior nucleus of the thalamus can safely and effectively reduce seizure frequency in patients with epilepsy.

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