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Topic: Medial longitudinal fissure

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	Gray, Henry. 1918. Anatomy of the Human Body. Page 823
		The medial surface of the parietal lobe (Fig.
		The medial surface of the occipital lobe is bounded in front by the medial part of the parietoöccipital fissure, and is traversed by the calcarine fissure, which subdivides it into the cuneus and the lingual gyrus.
		The lingual gyrus lies between the calcarine fissure and the posterior part of the collateral fissure; behind, it reaches the occipital pole; in front, it is continued on to the tentorial surface of the temporal lobe, and joins the hippocampal gyrus.
	www.bartleby.com /107/pages/page823.html (634 words)

	Medial longitudinal fasciculus - Wikipedia, the free encyclopedia
		Lemniscus (in blue) with a’ the medial lemniscus and a" the lateral lemniscus.
		The medial longitudinal fasciculus (MLF) is a pair of crossed fiber tracts (group of axons), one on each side of the brainstem, that carry information about the direction that the eyes should move.
		The MLF arises from the Vestibular nucleus (VN) and is thought to be involved in the maintenance of gaze.
	en.wikipedia.org /wiki/Medial_longitudinal_fasciculus (507 words)

	HyperBrain Syllabus Chapter 2
		Deep within the lateral fissure is the insula, an island (really, a peninsula) of cortex that is buried by the overgrowth of the frontal, parietal and temporal lobes.
		Identify the medial portions of the five major brain divisions in a midsagittal section of the brain (#4281): diencephalon (#4279), mesencephalon (#4278), pons and cerebellum (#4282), and medulla (#4276).
		The cortex that surrounds the medial extension of the central sulcus is the paracentral lobule, a medial continuation of primary somatosensory cortex and primary motor cortex.
	library.med.utah.edu /kw/hyperbrain/syllabus/syllabus2.html (1795 words)

	LABORATORY STUDY OF THE SHEEP BRAIN
		(This fissure is analogous to the central sulcus of the human brain.) The cruicate / central fissure marks the posterior boundary of the frontal lobe and the anterior boundary of the temporal lobe.
		Gently open up the rami of the lateral fissure near their junction; it will be seen that the insula is in fact a separate lobe, separated from the rest of the hemisphere by the deep rami of the lateral fissure.
		The fissure prima is the transverse fissure that separates the anterior cerebellar lobe from the posterior cerebellar lobe.
	webs.wofford.edu /pittmandw/psy230/week1.htm (1630 words)

	External Surface of Cerebrum - MEDSTUDENTS - NEUROANATOMY
		Anterior to the paracentral sulcus is the medial portion of the superior frontal gyrus.
		The medial portion of the superior frontal gyrus and the part of the paracentral lobule anterior to the central sulcus are portions of the frontal lobe.
		The parahippocampal gyrus which is the anterior continuation of the occipitotemporal medial gyrus and of the isthmus of the cingulate gyrus is delimited laterally by the collateral sulcus and medialy by the hippocampal sulcus.
	www.medstudents.com.br /basic/neuran/neuran3.htm (2156 words)

	Neuro Lab 1
		The bulb lies between the gyrus rectus medially and the medial orbital gyrus of the frontal lobe laterally.
		28) on the medial surface of the posterior portion of the cerebral hemisphere and the preoccipitalnotch (Fig.
		Typically, the orbital surface of the frontal lobe is formed of three parallel gyri (lateral, intermediate and medial orbital gyri), and the olfactory bulb and tract rest upon the olfactory sulcus, between the medial orbital gyrus and the gyrus rectus (Fig.
	web.indstate.edu /thcme/duong/Neuroscience/Schedule/NeuroLab1.html (2320 words)

	Gray, Henry. 1918. Anatomy of the Human Body. Page 820
		725, 726) is situated about the middle of the lateral surface of the hemisphere, and begins in or near the longitudinal cerebral fissure, a little behind its mid-point.
		727) is on the medial surface of the hemisphere.
		The anterior part of this fissure gives rise to the prominence of the calcar avis in the posterior cornu of the lateral ventricle.
	www.bartleby.com /107/pages/page820.html (376 words)

	Introduction/Background
		The rostral border of the hypothalamus is marked by the optic chiasm, and the lateral boundaries are the medial edges of the cerebral peduncles.
		The medial olfactory stria is seen as a fiber bundle coursing medially, disappearing into the longitudinal fissure just anterior to the optic chiasm.
		Parallelling the longitudinal fissure, the superior frontal sulcus divides the frontal poles into approximately equal left- and right-halves, and, if traced caudally, it is seen to "T-end" into the cruciate fissure (see "Other View").
	www.neurophys.wisc.edu /phys675lab/sheep_brain_dissection.htm (3642 words)

	Primary motor cortex
		There is a precise somatotopic representation of the different body parts in the primary motor cortex, with the leg area located medially (close to the midline), and the head and face area located laterally on the convex side of the cerebral hemisphere (motor homunculus).
		The medial aspect (leg areas) is supplied by branches of the anterior cerebral artery.
		In humans, the lateral area of the posterior prefrontal cortex (the side toward the back) is arranged from top to bottom in areas that correspond to the buttocks, torso, shoulder, elbow, wrist, fingers, thumb, eyelids, lips and jaw.
	www.mrsci.com /Neuroscience/Primary_motor_cortex.php (759 words)

	OCD - Humerus
		If a crack or fissure extends to the surface of the cartilage, synovial fluid dissects beneath the cartilage flap and debris and inflammatory mediators are released from the necrotic cartilage resulting in inflammation of the synovial tissues.
		The immediate postoperative stability of the approach using an osteotomy of the medial epicondyle and the approach using a longitudinal myotomy of the flexor carpi radialis muscle were significantly greater than that of the approach using a desmotomy of the medial collateral ligament.
		This locking mechanism of the anconeal process in the trochlea and olecranon fossa probably negates much of the morbidity of any surgical approach to the medial compartment of the elbow and accounts for the lack of reported complications associated with the use of the medial desmotomies in clinical cases.
	sacs.vetmed.ufl.edu /Lewis/Lewis-Elbows/ocd-.htm (1156 words)

	[No title]
		In the human the central fissure is located about halfway along the median longitudinal fissure because the frontal lobe of man is far more extensive (relative to the other lobes) than in the sheep.
		The suprasylvian fissure is a long sulcus, which is not present in the human brain, but in lower animals separates the parietal lobe from the temporal lobe.
		In the sheep, the temporal lobe is bounded rostrally (anteriorly) by the pseudosylvian fissure and dorsally by the suprasylvian fissure.
	www.udel.edu /psych/sgallagh/NeuroscienceLab/Dissection.doc (3488 words)

	Cecil Textbook of Medicine : />
		The ventral medial portion of the brain stem receives its blood supply from short paramedian vessels; the ventrolateral region receives its blood from short circumferential branches of the vertebral or basilar arteries; and long circumferential branches supply the dorsolateral brain stem and cerebellum (Fig.
		The pyramids, the inferior olives and medial lemnisci, the medial longitudinal fasciculi, and the emerging fibers of the hypoglossal nerve derive blood from the vertebral arteries.
		Short branches pass laterally and dorsally on both sides to supply the cerebral peduncles, the emerging fibers of the third nerve, medial portions of the red nuclei, the medial longitudinal fasciculus, the oculomotor nuclei, and the midbrain reticulum.
	www.merckmedicus.com /ppdocs/us/common/cecils/chapters/439_003.htm (2116 words)

	Functional Organization
		Longitudinal fissure separates the cerebrum into right and left halves.
		The lateral or Sylvian fissure separates the temporal lobe of the cerebrum from the frontal and parietal lobes.
		The Parietal lobe is bounded rostrally by the central sulcus and caudally by an imaginary line extended from the lateral fissure to the superior surface of the brain.
	pathology.mc.duke.edu /neuropath/nawr/function.html (663 words)

	[No title]
		Medialolfactory tract: This tract comes olfactory stimuli to the septal area (medial olfactory area) Optic chiasm: Cross-shaped connection at the base of the brain where the optic nerves from each eye converge and cross over.
		Cingulum: This bundle connects frontal, parietal, and temporal cortical areas on the medial side of the hemisphere.
		Columns of the fornix: Part of the fornix projecting axons from the subiculum (an area of the hippocampus) to the anterior thalamic nuclei and to the mammillary bodies of the hypothalamus.
	www.udel.edu /psych/sgallagh/NeuroscienceLab/Glossary.doc (1986 words)

	ScienceMaster - Kenneth A. Wesson - Article_01
		Fissures are the deep indented clefts on the brain’s surface.
		The medial longitudinal fissure separates the brain’s two large hemispheres.
		When comparing the fissures found in just one individual’s brain, those fissures seen in the right hemisphere will not be identical to those on the left side of the same person’s brain and vice versa.
	sciencemaster.com /columns/wesson/wesson_part_01.php (2082 words)

	Untitled Document (Site not responding. Last check: 2007-09-07)
		Medially, this cortex extends into the longitudinal fissure to the medial parietal lobule.
		The cells are arranged in a topographical map of the body, similar to the primary motor cortex.
		The head is at the edge of the lateral fissure.
	www2.uchc.edu /~cns/CNScases/Anatomy/Cerebrum/PriSomSensCort.htm (62 words)

	eMedicine - Spinal Cord, Topographical and Functional Anatomy : Article by Francisco de Assis Aquino Gondim, MD, MSc, ... (Site not responding. Last check: 2007-09-07)
		A tectospinal tract arises from neurons in the deep layers of the superior colliculus, crosses around the periaqueductal gray matter, and is incorporated in the medial longitudinal fasciculus at the medulla.
		Fibers originating in the medial vestibular nucleus project medially in the medial longitudinal fasciculus and continue in the anterior funiculus.
		The medial longitudinal fasciculi run in the posterior part of the anterior funiculus and originate at different brainstem levels.
	www.emedicine.com /neuro/topic657.htm (4565 words)

	Motor Systems
		Neurons which control movements of the face and mouth are located near the Sylvian or lateral fissue and neurons which control the muscles of the thighs and legs are located near the medial longitudinal fissure and within the central sulcus.
		This tract is known as the corticobulbar tract.
		Upper motor neurons which innervate the muscles of the face and head are located near the lateral fissure of the brain.
	pathology.mc.duke.edu /neuropath/nawr/motor-systems.html (1173 words)

	Glossary of Neuroscience Terms F-L
		Sensory components mediate all sensation, including taste, from the posterior 1/3 of the tongue.
		the cortical area that lies below the fissure of Sylvius; it is considered by some anatomists as the fifth lobe of the brain; it may be associated with the viscera.
		the most ancient and primitive part of the brain; it is composed of both cortical and subcortical structures located on the medial, inferior surfaces of the cerebral hemispheres; the limbic system is involved in the processing of olfactory stimuli, emotions, motivation, and memory, and may be involved in cortical speech and language behavior
	www.csuchico.edu /~pmccaff/syllabi/glossaryfl.htm (2391 words)

	Oculomotor Nerve (Cr N III)
		Fibers from the MLF (mostly from the vestibular nuclei which reflexly correlate eye position with that of the head).
		The pathway includes the optic pathways from the eye to the cerebral cortex; in turn, a projection back from cortical area 19 (and from frontal eye field area 8) via the optic radiation through the brachium of the superior colliculus terminating in the nucleus of the superior colliculus and pretectal area.
		Through a chain of interneurons, the collicular nuclei are connected to the IIIrd nerve subnucleus stimulating medial rectus motor neurons and preganglionic motor neurons of the Edinger Westphal nucleus.
	www.ucsf.edu /nreview/02.2-Anatomy-CranialNerves/CN03-oculomotor.html (1470 words)

	Strabismic disorders for medical students & primary care physician
		faulty innervational control involving the supranuclear pathways for convergence and divergence and their neural connections to the medial longitudinal fasciculus.
		Retraction of the globe and narrowing of the palpebral fissure on adduction
		Pathology: Faulty innervation of the lateral rectus by fibers from the medial rectus à does not obey Sherrington’s law.
	www.eyeweb.org /strabismus.htm (526 words)

	Brain and Related Vasculature
		sulcus on the medial surface of the cerebral hemisphere that lies between the precuneus and the cuneus
		medial and inferior portions of the frontal lobe; medial side of the parietal lobe; corpus callosum and part of the limbic lobe; olfactory bulb and tract; optic nerve, optic chiasm and optic tract
		posterior cerebral a.; anterior and posterior temporal brs.; medial occipital a.
	anatomy.uams.edu /anatomyhtml/brain.html (3969 words)

	Crossword by StudyStack
		These nuclei are located within the pontine tegmentum along with the reticular formation, longitudinal fiber bundles and other important cell groups.
		Major branches supply the medial surface of the frontal and parietal cortex and much of the corpus callosum.
		Medial striate artery passes laterally and enters the brain to supply medial areas of the corpus striatum of the basal ganglia and anterior internal capsule.
	www.studystack.com /Crossword.jsp?studyStackId=30963 (4180 words)

	Medial Surface of the Brain (Site not responding. Last check: 2007-09-07)
		You are now going to split the brain along the longitudinal fissure (remember...this is the long one that divides the brain in half...).
		Apply pressure on either side of the longitudinal fissure.
		Click on the brain to see the name and function of the structures that are revealed on the medial surface of the brain.
	www.utsa.edu /tsi/assign/Shpbrn/html/medbrain.htm (184 words)

	Neuroanatomy Review Information
		medial 1/5 and lateral 1/5 of fibers connect to pons; middle 3/5 connect to pyramid
		the anterior limb of the lateral fissure splits the inferior frontal gyrus into the orbital part, the triangular part, and the opercular part
		medial/inferior surface separated into the parahippocampus gyrus, the medial occipital temporal gyrus, and the lateral occipital temporal gyrus by the collateral sulcus and the occipital temporal sulcus
	mathcs.muhlenberg.edu /~kussmaul/cns/neuro.html (3316 words)

	Amazon.com: "longitudinal cerebral fissure": Key Phrase page (Site not responding. Last check: 2007-09-07)
		(A3): 3-9, 5-29 0 inferior frontal gyrus (A4): 3-9, 5-29 0 orbital gyrus (A5): 5-29 0 rectus gyrus (A6): 5-30 longitudinal cerebral fissure (B1): 1-2 0 lateral fissure (B2): 5-29 cingulate sulcus (B3): 5-30 0 caudate nucleus (C1): 3-10, 5-24, 5-25 0 putamen...
		This fissure is known as the longitudinal cerebral fissure (Fig.
		The MRI data show that the longitudinal cerebral fissure is shifted 3 mm to the right of the Nasion - Inion axis.
	www.amazon.com /phrase/longitudinal-cerebral-fissure (511 words)

	[No title]
		Pick up the scalpel with the other hand and position it at the longitudinal fissure toward the posterior end of the brain with the sharp end of the blade away from your body.
		Place pressure on each hemisphere, insert the scalpel into the longitudinal fissure toward the posterior end of the sheep brain and carefully separate the two hemispheres by drawing the scalpel toward the anterior end of the brain.
		Most of the medial portions of the two thalami are fused in a structure called the massa intermedia.
	www.csubak.edu /~isumaya/303/fall06/lab2pt2sheepbrain06.doc (2794 words)

	Mouse Brain Gross Anatomy Atlas
		Along the longitudinal fissure of the brain separate the brain bilaterally into two equal parts.
		These are the medial views of the left and right brain.
		The cortex that covers the hippocampus has been removed, exposing the dorsal hippocampus.
	www.mbl.org /anatomy_images/fixed/mba_3.html (87 words)

	Calcarine fissure - Wikipedia, the free encyclopedia
		The calcarine fissure (or calcarine sulcus) is an anatomical landmark located at the very caudal end of the medial surface of the brain.
		It begins near the occipital pole in two converging rami and runs forward to a point a little below the splenium of the corpus callosum, where it is joined at an acute angle by the medial part of the parietooccipital fissure.
		The calcarine sulcus is where the primary visual cortex is concentrated.
	en.wikipedia.org /wiki/Calcarine_fissure (378 words)

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