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Topic: Lentiform nucleus

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	lenticular nucleus - definition from Biology-Online.org (Site not responding. Last check: 2007-10-15)
		Lentiform nucleus, the large cone-shaped mass of gray matter forming the central core of the cerebral hemisphere.
		The convex base of the cone, oriented laterally and rostrally, is formed by the putamen which together with the caudate nucleus composes the striatum; the apical part, oriented medially and caudally, consists of the two segments of the globus pallidus.
		The nucleus is ventral and lateral to the thalamus and caudate nucleus, from which it is separated by the internal capsule, and together with the caudate nucleus composes the striate body.
	www.biology-online.org /dictionary/lenticular_nucleus (88 words)

	NDI Terminology - nucleus (Site not responding. Last check: 2007-10-15)
		A cell nucleus: a spheroid body within a cell, consisting of a number of characteristic organelles visible with the optical microscope, a thin nuclear membrane, a nucleolus or nucleoli, irregular granules of chromatin and linin, and a diffuse nucleoplasm.
		The caudate nucleus and putamen form a functional unit (the neostriatum) of the corpus striatum.
		The part of the corpus striatum somewhat resembling a biconvex lens, divided into an external, larger, lateral part, the putamen, and an internal, smaller, lighter colored medial part (globus pallidus), which is in turn subdivided into a smaller, medial, and a larger, lateral part by the medial medullary lamina.
	www.ndif.org /Terms/nucleus.html (183 words)

	Probert Encyclopaedia: Medicine (C-Cg) (Site not responding. Last check: 2007-10-15)
		The caudate nucleus and the lentiform nucleus are both part of the striated body (corpus striatum) of white and grey nerve fibers located just laterally from the fornix within the brain.
		The lentiform nucleus, or nucleus lenticularis, is the extra-ventricular portion, as it is imbedded in the white material of the cerebral hemisphere.
		The caudate nucleus, or nucleus caudatus, extends from the outer side of the optic thalamus to the roof of the decending cornu of the lateral ventricle, at the apex of the temporal lobe.
	www.probertencyclopaedia.com /E3.HTM (3182 words)

	Gray, Henry. 1918. Anatomy of the Human Body. Page 837
		742) is a lamina of white substance, situated lateral to the lentiform nucleus, between it and the claustrum, and continuous with the internal capsule below and behind the lentiform nucleus.
		The superior layer is named the ansa lentiformis, and its fibers, derived from the medullary lamina of the lentiform nucleus, pass medially to end in the thalamus and subthalamic region, while others are said to end in the tegmentum and red nucleus.
		The stria terminalis (tænia semicircularis) is a narrow band of white substance situated in the depression between the caudate nucleus and the thalamus.
	www.bartleby.com /107/pages/page837.html (385 words)

	Team projects on www for Biological Basis of Behavior - 2001
		"Lentiform nucleus" is the term used for the putamen and the globus pallidus.
		The caudate nucleus follows the contour of the lateral ventricles with the "head" lying against the frontal horn of the ventricle and curving around the ventricle, in a C-shape, to the tail, which lies against the temporal horn of the ventricle where it terminates in the amygdala of the temporal lobe.
		The putamen is continuous with the caudate nucleus and lies medial to the insula -- bounded laterally by the fibers of the external capsule and medially by the globus pallidus.
	www.humboldt.edu /~morgan/sub_s01.htm (4743 words)

	Gray, Henry. 1918. Anatomy of the Human Body. Page 834
		It is separated from the lentiform nucleus, in the greater part of its extent, by a thick lamina of white substance, called the internal capsule, but the two portions of the corpus striatum are united in front (Figs.
		The lentiform nucleus (nucleus lentiformis; lenticular nucleus; lenticula) (Fig.
		Its anterior end is continuous with the lower part of the head of the caudate nucleus and with the anterior perforated substance.
	www.bartleby.com /107/pages/page834.html (314 words)

	Week 7 Lab... (Site not responding. Last check: 2007-10-15)
		Thus, the caudate nucleus is in the floor of the anterior horn and the body; and in the roof of the inferior horn.
		The head of the caudate nucleus and the thalamus are closer to the midline; the lentiform nucleus ‘fits in’ between the two.
		Remember the relationship of the caudate nucleus with the lateral ventricle, and the relative positions of the caudate and lentiform nuclei and the thalamus.
	www.lab.anhb.uwa.edu.au /hb207/02weekpages/wk07/week07_4lab.htm (1761 words)

	Dorlands Medical Dictionary (Site not responding. Last check: 2007-10-15)
		nucleus of mesencephalic tract of trigeminal nerve, mesencephalic trigeminal nucleus, mesencephalic nucleus of trigeminal nerve, n.
		nucleus of facial nerve: the nucleus of origin of the motor fibers of the facial nerve, which innervate the muscles of facial expression; the nucleus lies in the ventrolateral part of the lower pons, and its emerging fibers form a complicated loop about the nucleus of the abducens nerve.
		ris, [TA] periventricular preoptic nucleus: a nucleus of nerve cells in the preoptic area of the basal forebrain; the nucleus is situated adjacent to the wall of the preoptic recess of the third ventricle.
	merckmedicus.com /ppdocs/us/common/dorlands/dorland/dmd-n-024.htm (5457 words)

	[No title] (Site not responding. Last check: 2007-10-15)
		The large head of the caudate nucleus forms the inferolateral wall of the anterior horn of the lateral ventricle and is continuous with the anterior part of the putamen of the lentiform nucleus.
		From the body, the tail of the caudate nucleus curves around the posterior border of the thalamus to lie in the roof of the inferior horn of the lateral ventricle in which it runs forward till it abuts the amygdaloid nucleus in its anterior extremity.
		It forms the lateral part of the lentiform nucleus and is continuous at its anterior pole with the head of the caudate nucleus.
	www.student.uib.no /~st03006/atlas/materiale/tekst/BASALGANGL.txt (523 words)

	Figue 1-45 (Site not responding. Last check: 2007-10-15)
		The lentiform nucleus resembles a cone lying on its side.
		The axis of the lentiform nucleus passes through the region where the lateral ventricle communicates with the third ventricle, i.e., the axis goes through the inter ventricular foramen of Monro.
		The lentiform nucleus remains centrally positioned, and the caudate "wraps around it" as it migrates into the temporal lobe.
	www.pixelatedbrain.com /pixbr2005_demo/images/draw/embryo_dev/dremb_01e.html (159 words)

	a name="CBLM"> Return to beginning of Anatomy 530a home ...
		This is a traditonal anatomical assignation: the amygdala is a blob of grey matter, comprising several nuclei, on the end of the tail of the caudate nucleus.
		Athetosis is seen typically in children; it results from damage to the lentiform nucleus at the time of birth.
		A vascular lesion in the subthalamic nucleus results in sudden onset of ceaseless large movements of the contralateral limbs, a syndrome known as ballism or hemiballismus.
	instruct.uwo.ca /anatomy/530/bgang.htm (570 words)

	Untitled Document
		Around the rostral border of the internal capsule, it is fused with the putamen of the lentiform nucleus while its tail terminates in close relationship to the amygdala.
		It is the larger part of the lentiform nucleus which is comprised of the putamen and globus pallidus.
		Internal Capsule is a thick mass of white fibers that bounded laterally by the lentiform nucleus, medially by the head of the caudate nucleus, the dorsal thalamus, and the tail of the caudate nucleus.
	www.med.wayne.edu /diagRadiology/Anatomy_Modules/brain/braintext.html (3190 words)

	Module 1 - The Cerebral Hemisphere Internal Anatomy
		Since the fibers (axons) of the internal capsule pass between the caudate and the lentiform nucleus, they are drawn out into a fan-shaped array as the caudate heads for the temporal lobe.
		The lateral ventricle retains its relationship to the caudate nucleus during development (note that the caudate always forms part of the wall of the ventricle) with the result that it is also drawn out into the temporal lobe, bringing choroid plexus along.
		Because the lentiform nucleus resembles a cone, it will appear triangular in both coronal and horizontal sections through the brain ; it will be circular in parasagittal sections.
	www.pixelatedbrain.com /pixbr2005_demo/Module_01/module_01_text/txt_1g1_hem_int.html (1405 words)

	Virtual Hospital: The Human Brain: Chapter 5: The Cerebral Hemispheres (Site not responding. Last check: 2007-10-15)
		The irregular empty spaces between the putamen and the caudate nucleus were occupied by fiber bundles of the internal capsule.
		The caudate nucleus has the form of a highly arched comma, and its head, body, and tail are related throughout to the curvature of the lateral ventricle.
		The gray matter of the tail of the caudate nucleus continues without interruption into the amygdaloid nuclear complex, and also into the gray substance of the lentiform nucleus by way of a small, horizontally placed connecting piece (the "foot" of the lentiform nucleus described by earlier anatomists).
	www.vh.org /adult/provider/anatomy/BrainAnatomy/Ch5Text/Section19.html (437 words)

	Botulinum Toxin Attenuates Abnormal Spatial Extent of Lentiform Nucleus Activity in Focal Hand Dystonia. (Site not responding. Last check: 2007-10-15)
		Spatial extent of the lentiform nucleus signal was calculated from the number of voxels over this threshold.
		Lentiform nucleus activity during both botox+ and botox- was compared with activity in control subjects.
		In contrast, because lentiform nucleus response amplitude changed very little during effective botulinum toxin treatments, this suggests that this abnormality may be more fundamental to the disorder and that it cannot be modified by changes in peripheral muscle tone.
	208.164.121.55 /hbm2003/abstract/abstract1131.htm (569 words)

	The Brain
		The amygdala is the oldest of the basal ganglia and is therefore often referred to as the archistriatum; the globus pallidus is known as the paleostriatum, and the caudate nucleus and putamen are together known as the neostriatum, or simply striatum.
		The putamen and the adjacent globus pallidus are referred to descriptively as the lentiform nucleus, while the caudate nucleus, putamen, and globus pallidus form the corpus striatum.
		The head of the caudate nucleus protrudes into the anterior horn of the lateral ventricle, the body lies above and lateral to the thalamus, and the tail is in the roof of the inferior horn of the lateral ventricle.
	www.becomehealthynow.com /article2/bodynervousadvanced/819/3 (1436 words)

	RadioGraphics -- Tomandl et al. 23 (3): 565 Figure 11A
		hours after the onset of symptoms in a 73-year-old man with right hemiplegia and complete aphasia demonstrate partial obscuration of the lentiform nucleus and subtle swelling and hypoattenuation of the left temporal lobe (arrows), findings that indicate infarction.
		In addition, a small area of nonperfusion is seen within the lentiform nucleus (arrow).
		(d) Nonenhanced CT scans obtained 2 hours after the onset of systemic intravenous thrombolysis show the beginning of hemorrhagic transformation of the lentiform nucleus (arrow) and increasing hypoattenuation within the temporal lobe.
	radiographics.rsnajnls.org /cgi/content-nw/full/23/3/565/F11A (190 words)

	Basal ganglia alterations and brain atrophy in Huntington's disease depicted by transcranial real time sonography -- ... (Site not responding. Last check: 2007-10-15)
		TCS detects primarily abnormalities of the caudate nucleus and substantia nigra in Huntington's disease.
		TCS of the frontal horns and the caudate nucleus (A) in an axial scanning plane through the diencephalon marked hyperechogenic lesion in projection on the caudate nucleus.
		primarily affecting the caudate nucleus and the substantia nigra.
	jnnp.bmjjournals.com /cgi/content/full/67/4/457 (2868 words)

	[No title]
		Dentate nucleus of the cerebellum; dentate gyrus in the temporal lobe.
		Gracilis Sensory tract (fasciculus gracilis) of the dorsal column of spinal cord; nucleus gracilis of the medulla.
		Lentiform nucleus, a component of the corpus striatum.
	www.uottawa.ca /academic/med/cellmed/gloss.html (3466 words)

	Neuropsychology
		The substantia nigra and subthalamic nucleus are closely tied to the basal ganglia, but reside in the brainstem and diencephalon, respectively.
		The amygdaloid nuclear complex is the oldest phylogenetically and is known as the archistriatum.
		Lesions of the globus pallidus produce a paucity of movement, and lesions of the subthalamic nucleus produce what is known as hemiballismus, which is a violent swinging of the extremities.
	braincampus.learnpsychology.com /nanatomy/basalg/basal2.html (183 words)

	Atlas of the Human Brain 2: Terms
		interstitial nucleus of the posterior limb of the anterior commissure
		nucleus of the brachium of the inferior colliculus
		nucleus of the horizontal limb of the diagonal band
	www.uni-duesseldorf.de /MedFak/mai/atlas/terms/idx_a-z.html (396 words)

	basal ganglia.html (Site not responding. Last check: 2007-10-15)
		The major output neurons of the basal ganglia are the GABAergic neurons of the substantia nigra pars reticulate and the entopeduncular nucleus (internal segment of the globus pallidus in primates).
		This reverses the increased excitatory input from the subthalamic nucleus to the substantia nigra pars reticulata.
		Bradykinesia is thus thought to be a result of increased activity in the indirect striatonigral output system, which results in increased tonic activity of the inhibitory inputs to the thalamus and brainstem targets of the internal segment of the globus pallidus and substantia nigra pars reticulata.
	www.unifr.ch /biochem/DREYER/BG.html (12753 words)

	The Basal Ganglia (Site not responding. Last check: 2007-10-15)
		The basal forebrain area or substantia innominata as it is sometimes referred is a mass of gray matter situated ventral to the lentiform nucleus that extends anterolaterally toward the amygdaloid complex.
		It receives afferent projections from the limbic cortex and hypothalamus, nucleus of the diagonal band, and septal area.
		Scattered clusters of cholinergic cells within the basal forebrain area, collectively referred to as the nucleus basalis (of Meynert) project efferents to all areas of the cortex, hippocampus and amygdala.
	www.umanitoba.ca /faculties/medicine/anatomy/bfjb.htm (135 words)

	INTERNAL CAPSULE (Site not responding. Last check: 2007-10-15)
		Situation: Between caudate nucleus and the thalamus medially and the lentiform nucleus laterally.
		On a horizontal section of brain it appears V-shaped with its concavity directed laterally which is occupied by lentiform nucleus.
		1) Medial nucleus of thalamus and prefrontal cortex.
	www.drkrishnagarg.com /br8.htm (495 words)

	Consequences of Dopaminergic Denervation on the Metabolic Activity of the Cortical Neurons Projecting to the ...
		Bevan MD, Bolam JP (1995) Cholinergic, GABAergic, and glutamate-enriched inputs from the mesopontine tegmentum to the subthalamic nucleus in the rat.
		Féger J, Bevan M, Crossman AR (1994) The projections from the parafascicular thalamic nucleus to the subthalamic nucleus and the striatum arise from separate neuronal populations: a comparison with the corticostriatal and corticosubthalamic afferents in a retrograde fluorescent double-labeling study.
		Jackson A, Crossman AR (1983) Nucleus tegmenti pedunculopontinus: efferent connections with special reference to the basal ganglia, studied in the rat by anterograde and retrograde transport of horseradish peroxidase.
	www.jneurosci.org /cgi/content/full/22/19/8762 (5852 words)

	Moyamoya Disease Case Reports Pediatric Oncall
		identify the caudate nucleus, the lenticular nucleus, and the thalamus.
		The posterior limb is located between the thalamus and the lenticular nucleus.
		The infarct appears as a white lesion in the caudate nucleus and the left putamen.
	www.pediatriconcall.com /fordoctor/casereports/MoyaMoya.asp (1689 words)

	DHEA, antibiotics, Weight Loss drugs, weight loss herbs, weight loss herbal formula, hair loss, hair growth, buy Rx ... (Site not responding. Last check: 2007-10-15)
		Three-dimensional (3-D) reconstruction of the lentiform nucleus was performed by using serial macroscopic anatomic sections, taken from a human cadaver.
		The vertical dimension of the lentiform nucleus was 22.9 mm.
		This is the first study reporting the three-dimensional reconstruction and the dimensions of the lentiform nucleus of the human brain.
	twinpharm.com /ref-nucleus-2/nucleus-2-research-abs4.515.html (1226 words)

	Diffusion-Tensor MR Imaging of Gray and White Matter Development during Normal Human Brain Maturation -- Mukherjee et ...
		1, head of the caudate nucleus; 2, lentiform nucleus; 3, posterior limb of the internal capsule; 4, thalamus; 5, splenium of the corpus callosum.
		Decrease in the eigenvalues of the diffusion tensor during normal brain maturation is illustrated in five participants ranging in age from 31 gestational weeks (preterm) to 6 postnatal years.
		C, SNR in diffusion-weighted imaging declines steeply during the first 2 years of postnatal life in the gray matter of the lentiform nucleus.
	www.ajnr.org /cgi/content/figsonly/23/9/1445 (1029 words)

	[No title] (Site not responding. Last check: 2007-10-15)
		consists of the caudate nucleus and the lentiform nucleus.
		Lentiform nucleus can be divided into putamen and the globus pallidus.
		Lentiform is separated from insula by a thin layer of white matter called external capsule, followed by a thin sheet of gray matter called claustrum.
	accweb.itr.maryville.edu /myu/Bio321/321on16.html (338 words)

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