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Topic: Parietal

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	Parietal lobe - Wikipedia, the free encyclopedia
		The parietal lobe is a lobe in the brain.
		The central sulcus separates the parietal lobe from the frontal lobe, and the parieto-occipital sulcus separates the parietal and occipital lobe.
		The parietal lobe can be subdivided into the superior parietal lobule and the inferior parietal lobule with the two separated by the intraparietal sulcus.
	en.wikipedia.org /wiki/Parietal_lobe (512 words)

	Parietal - Wikipedia, the free encyclopedia
		Parietal (scale) of a snake which lies in the general region of the parietal bone.
		Parietal eye, "third eye" of some animal species.
		This is a disambiguation page: a list of articles associated with the same title.
	en.wikipedia.org /wiki/Parietal (92 words)

	The Parietal Cell: Mechanism of Acid Secretion
		As a consequence, the parietal cell and the mechanisms it uses to secrete acid have been studied extensively, leading to development of several drugs useful for suppressing acid secretion.
		The hydrogen ion concentration in parietal cell secretions is roughly 3 million fold higher than in blood, and chloride is secreted against both a concentration and electric gradient.
		Histamine's effect on the parietal cell is to activate adenylate cyclase, leading to elevation of intracellular cyclic AMP concentrations and activation of protein kinase A (PKA).
	arbl.cvmbs.colostate.edu /hbooks/pathphys/digestion/stomach/parietal.html (853 words)

	II. Osteology. 5a. 2. The Parietal Bone. Gray, Henry. 1918. Anatomy of the Human Body.
		At the back part and close to the upper or sagittal border is the parietal foramen, which transmits a vein to the superior sagittal sinus, and sometimes a small branch of the occipital artery; it is not constantly present, and its size varies considerably.
		Along the upper margin is a shallow groove, which, together with that on the opposite parietal, forms a channel, the sagittal sulcus, for the superior sagittal sinus; the edges of the sulcus afford attachment to the falx cerebri.
		Ossification gradually extends in a radial manner from the center toward the margins of the bone; the angles are consequently the parts last formed, and it is here that the fontanelles exist.
	www.bartleby.com /107/32.html (692 words)

	Journal Abstracts on Parietal (Pineal) "Eye" Function in Reptiles
		Typical photoreceptor cells (PC) were the predominant cell type in the receptor line of the parietal eye, the outer segments of which had regular stacks of numerous disks similar to those of cones.
		Serotonin-immunoreactive cells were found not only in the pineal organ but also in the parietal eye, which closely resembled the cells of the receptor line in their size and shape.
		The pineal organ of snakes and the parietal eye of reptiles equally failed to exhibit pinopsin immunoreactive photoreceptors, presumably, due to the absence of green-blue light-sensitive photoreceptors of pinopsin-type in these species.
	www.anapsid.org /parietal3.html (1214 words)

	Attention, Consciousness, and the Damaged Brain: Insights From Parietal Neglect and Extinction
		Due to constraints of space, I shall limit this enterprise to a consideration of the visual and motor anomalies that arise from damage to the human posterior parietal cortex, a region that lies at the interface of the dorsal and ventral streams, and that may combine aspects of functioning that are characteristic of both.
		First, the relevant homologies between monkey and human parietal lobe have not yet been established, so it is unclear whether the human IPL (the structure most frequently damaged in severe neglect) is part of the dorsal or ventral stream, or a functional conglomerate of both.
		The parietal patients in our reaching study had no evidence of optic ataxia (spatial errors in visually guided manual responses), nor did their lesions extend into SPL, the region that Milner and Goodale hypothesise is the termination of the human dorsal stream.
	psyche.cs.monash.edu.au /v5/psyche-5-14-mattingley.html (6270 words)

	Parietal Lobe (Site not responding. Last check: 2007-11-01)
		In animal studies conducted on a rhesus monkey, the parietal lobe appears to play a role in attention, the preparation of executing motor commands, and the coordination of different spatial reference frames.
		The bilateral auditory projections may enable undamaged portion of the parietal lobe to compensate for the auditory deficits of the damaged portion.
		Balint's syndrome is a condition in which both sides of the parietal lobes are damaged.
	www.tcnj.edu /~cathcar2/parietal_lobe.htm (394 words)

	JYI: A Review of Parietal Lobe Functioning in Planning and Updating Motor Movements
		Not surprisingly, the parietal cortex (including the parietal operculum, or secondary somatosensory cortex, and the left inferior parietal cortex) was more active in the deluded passive movement than in the active movement condition.
		If the parietal areas are multisensory, then a change in position of the limb (which provides proprioceptive impulses) should be as effective as visual sensations in restoring knowledge of the location of the limb.
		Activity in the parietal cortex may be correlated with the comparison mechanism of the forward model or the conscious sensation of intention may be correlated with this change in the perceived timing of action and effect of the intentional binding explanation.
	www.jyi.org /volumes/volume11/issue3/articles/rauschecker.html (5506 words)

	TITLE Disengage: Competitive versus the Posnerian views of Parietal function.
		It was also discovered that the right superior parietal lobe received a large increase in blood flow during attentional shifts in both hemifields whereas the left parietal lobe was only active during attentional shifts in the right visual field.
		The observed deficits may be the result of the interruption of fibers which pass through the parietal lobe on their way to other attention mediating centers of the brain such as the pulvinar or superior colliculus.
		The parietal cortex may not be involved in a disengage operation at all, but in the selection of relevant locations for the next shift in attention.
	www.u.arizona.edu /~scowen/Papers/diseng_vis_atn.html (3741 words)

	Parietal definition - Medical Dictionary definitions of popular medical terms
		Parietal: Adjective from the Latin "parietalis" meaning "belonging to the wall" that the ancient anatomists used to designate the wall, as of a body cavity.
		Parietal lobe -- the main side lobe of the brain (it is beneath the parietal bone).
		Parietal peritoneum -- the membrane lining the abdominal cavity (as opposed to the visceral peritoneum that envelops the abdominal organs).
	www.medterms.com /script/main/art.asp?articlekey=19488 (194 words)

	Parietal Lobe Function
		Damage to the left parietal lobe can result in what is called "Gerstmann's Syndrome." It includes right-left confusion, difficulty with writing (agraphia) and difficulty with mathematics (acalculia).
		Damage to the right parietal lobe can result in neglecting part of the body or space (contralateral neglect), which can impair many self-care skills such as dressing and washing.
		This is characterized by the inability to voluntarily control the gaze (ocular apraxia), inability to integrate components of a visual scene (simultanagnosia), and the inability to accurately reach for an object with visual guidance (optic ataxia) (Westmoreland et al., 1994).
	www.neuroskills.com /tbi/bparieta.shtml (390 words)

	Identification and functional importance of IL-1 receptors on rat parietal cells -- Schepp et al. 275 (5): 1094 -- AJP ...
		Parietal cell culture was performed as described previously (4).
		Parietal cells were treated for 10 min with the rhIL-1R antagonist at 100, 250, and 500 pg/ml.
		Pertussis toxin-sensitive and -insensitive inhibition of the parietal cell response to GLP-1 and histamine.
	ajpgi.physiology.org /cgi/content/full/275/5/G1094 (5898 words)

	SparkNotes: Brain Anatomy: Parietal and Occipital Lobes
		The parietal lobe is located posterior to the central sulcus and superior to the lateral fissure (see figure.
		The major function of the parietal lobe is to mediate attention, but it is also involved in long-term memory and somatic sensory perception.
		The association cortex of the parietal lobe, together with a section of the temporal lobe, is responsible for long-term storage of vocabulary words.
	www.sparknotes.com /psychology/neuro/brainanatomy/section5.rhtml (702 words)

	Regulation and function of p38 protein kinase in isolated canine gastric parietal cells -- Pausawasdi et al. 278 (1): ...
		Parietal cell lysates (80 µg) were loaded on 10% SDS-polyacrylamide minigels and run at 20 A for 8 h.
		is an important mediator of the action of carbachol in the gastric parietal cells (11, 12).
		Percoll-purified cultured canine gastric parietal cells were incubated for 20 min with 100 µM carbachol either alone or after preincubation for 24 h with C3 (40 µg/ml).
	ajpgi.physiology.org /cgi/content/full/278/1/G24 (5021 words)

	Polarized Distribution of IQGAP Proteins in Gastric Parietal Cells and Their Roles in Regulated Epithelial Cell ...
		Cdc42 is chiefly localized to the intracellular of parietal cells, with a distribution profile similar to that F-actin, except for the basolateral surface staining of F-actin.
		IQGAP2 is chiefly localized to the intracellular of parietal cells, with a distribution profile similar to that F-actin, except for the basolateral surface staining of F-actin.
		It was readily apparent, although F-actin is chiefly localized to the apical plasma membranes, the IQGAP2 labeling is released from the apical vacuoles and diffused throughout the cytoplasm.
	www.molbiolcell.org /cgi/content/full/14/3/1097 (7202 words)

	Parietal cortex and representation of the mental Self -- Lou et al. 101 (17): 6827 -- Proceedings of the National ...
		to medial prefrontal cortex, the latter to medial parietal.
		parietal cortex is characteristic of the former and activation
		The former is mainly connected with medial parietal/posterior cingulate, left temporoprefrontal region, and left inferior parietal region; the latter is mainly connected with medial prefrontal cortex and bilateral inferior parietal cortices.
	www.pnas.org /cgi/content/full/101/17/6827 (4000 words)

	Inactivation of Parietal and Prefrontal Cortex Reveals Interdependence of Neural Activity During Memory-Guided Saccades ...
		Units were recorded primarily from the cortex of the lateral bank of the intraparietal sulcus (IPS) in parietal cortex (A and C), and from the anterior bank of the arcuate sulcus (AS) in prefrontal cortex (B and D).
		Parietal and prefrontal cooling were largely equivalent in their impact on neuronal activity.
		Andersen, R. and Mountcastle, V. The influence of the angle of gaze upon the excitability of the light-sensitive neurons of the posterior parietal cortex.
	jn.physiology.org /cgi/content/full/83/3/1550 (9728 words)

	parietal. The American Heritage® Dictionary of the English Language: Fourth Edition. 2000.
		Of or relating to either of the parietal bones.
		A parietal part, such as a wall or bone.
		parietals The rules governing the visiting privileges of members of the opposite sex in college or university dormitories.
	www.bartleby.com /61/15/P0071500.html (144 words)

	Expression of rab11a N124I in gastric parietal cells inhibits stimulatory recruitment of the H+-K+-ATPase -- Duman et ...
		Stimulation of parietal cells was quantified using the AP uptake assay.
		Parietal cells were cultured for 12 h without (-) or with (+) rab11a N124I adenoviral infection, tTA adenoviral infection, or 1 µg/ml tetracycline.
		Parietal cells were cultured and left uninfected (A, B) or coinfected with tTA- and rab11a N124I-expressing adenoviruses in absence (C, D) or in presence of 1 µg/ml tetracycline (E).
	ajpcell.physiology.org /cgi/content/full/277/3/C361 (7070 words)

	Parietal Neurons That Categorize Images - Medgadget - www.medgadget.com
		They found that the activity of neurons in a part of the brain called the parietal cortex encode the category, or meaning, of familiar visual images and that brain activity patterns changed dramatically as a result of learning.
		Their results suggest that categories are encoded by the activity of individual neurons (brain cells) and that the parietal cortex is a part of the brain circuitry that learns and recognizes the meaning of the things that we see.
		Parietal cortex activity was completely reorganized as a result of this retraining and encoded the visual patterns according to the newly learned categories.
	www.medgadget.com /archives/2006/08/parietal_neuron.html (606 words)

	Chrysotile and tremolite asbestos fibres in the lungs and parietal pleura of Corsican goats -- Dumortier et al. 59 (9): ...
		Chrysotile and tremolite asbestos fibres in the lungs and parietal pleura of Corsican goats -- Dumortier et al.
		Chrysotile and tremolite asbestos fibres in the lungs and parietal pleura of Corsican goats
		mg for lung tissue, and 26 (16) mg for parietal pleura.
	oem.bmjjournals.com /cgi/content/full/59/9/643 (1928 words)

	Morphological and functional restoration of parietal cells in Helicobacter pylori associated enlarged fold gastritis ...
		Parietal cells were scored for abnormal ultrastructure as normal, altered, or degenerated on the basis of the criteria described
		Electron micrographs of gastric mucosa were scored according to parietal cell morphology as being normal, altered with dilated canaliculi, altered with vacuoles, or degenerated.
		Parietal cell morphology is different in the resting and stimulated states.
	gut.bmjjournals.com /cgi/content/full/45/5/653 (5089 words)

	Sox7 Plays Crucial Roles in Parietal Endoderm Differentiation in F9 Embryonal Carcinoma Cells through Regulating Gata-4 ...
		of the gene silencing on the induction of parietal endoderm
		Sox7 is required for the induction of Gata-4 and Gata-6 during parietal endoderm differentiation.
		Retinoic acid induces parietal endoderm but not primitive endoderm and visceral endoderm differentiation in F9 teratocarcinoma stem cells with a targeted deletion of the Rex-1 (Zfp-42) gene.
	mcb.asm.org /cgi/content/full/24/23/10492 (6531 words)

	Parietal Lobe-Paratext
		Recent evidence suggests that some aspects of location monitoring may be subserved by the parietal cortex; in particular, the parietal lobe appears to mediate the construction and maintenance of an internal spatial representation.
		Wall: Parietal (Lobe) means: "Of or pertaining to a wall, or building or the care of them." New World Dictionary of the American Language.
		In a kind of tunnel vision, the patient's eyes stay focused on any small object that happens to be in her foveal vision (the high-acuity region of the eye), but she completely ignores all other objects in the vicinity.
	www.cddc.vt.edu /host/weishaus/skull-10/para-10.htm (7467 words)

	Differential Involvement of Parietal and Precentral Regions in Movement Preparation and Motor Intention -- Thoenissen ...
		Andersen RA, Snyder LH, Bradley DC, Xing J (1997) Multimodal representation of space in the posterior parietal cortex and its use in planning movements.
		Calton JL, Dickinson AR, Snyder LH (2002) Non-spatial, motor-specific activation in posterior parietal cortex.
		Eskandar EN, Assad JA (1999) Dissociation of visual, motor and predictive signals in parietal cortex during visual guidance.
	www.jneurosci.org /cgi/content/full/22/20/9024 (6664 words)

	COMPANY \| Parietal Systems, Inc. (Site not responding. Last check: 2007-11-01)
		Parietal Systems, Inc. is a small aerospace engineering firm specializing in the design, development and fielding of advanced technologies.
		Founded in 2002 under our original name, TIA Research, Parietal Systems is an employee-owned business headquartered in North Andover, Massachusetts.
		Parietal Systems, Inc. prides itself on providing innovative solutions to difficult problems.
	www.parietal-systems.com (266 words)

	"The Hûman Parïetal Löbes," by Therial L. Bynum, M.D.
		This can occur with any combination of visual, auditory, and somesthetic stimuli; in each case the matching is assumed to occur in the tertiary cortical regions where the inputs overlap.
		The principal afferents to the post-Parietal cortex project from the Pulvinar in the posterior Thalamus.
		The Parietal lobe then sends its major projections to the Frontal and Temporal association cortex, as well as to subcortical structures including the Pulvinar and posterior region of the striatum, mid brain, and spinal cord.
	www.hypnosisforyou.com /parietal.html (507 words)

	Definition of parietal pericardium - NCI Dictionary of Cancer Terms
		Definition of parietal pericardium - NCI Dictionary of Cancer Terms
		The outer layer of the pericardium, which is a thin sac of tissue that surrounds the heart.
		parietal peritoneum, Parkinson's disease, parotidectomy, paroxetine hydrochloride, paroxysmal nocturnal hemoglobinuria
	www.cancer.gov /Templates/db_alpha.aspx?CdrID=270870 (45 words)

	parietal
		of, pertaining to, or situated near the side and top of the skull or the parietal bone.
		of or pertaining to parietes or structural walls.
		any of several parts in the parietal region of the skull, esp. the parietal bone.
	www.infoplease.com /dictionary/parietal (133 words)

	The Parietal "Eye"
		The parietal eye is a photosensory organ connected to the pineal body, active in triggering hormone production (including reproduction) and thermoregulation.
		It is sensitive to changes in light and dark, it does not form images, having only a rudimentary retina and lens.
		The parietal eye is the white spot on the top of the iguana's head.
	www.anapsid.org /parietal.html (148 words)

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