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  1. A fissure is a small tear or crack in the lining of the anus.
  2. A fissure is a deep groove among the convolutions. (Web site)
  3. A fissure is like a sulcus but deeper and longer.
  4. A fissure is usually deeper than a sulcus, but in the terminology of anatomy fissure and sulcus are often used interchangeably. (Web site)
  5. Fissure is a project management institute R.E.P. that provides business analysis, project management course and leadership skills training.


  1. Synonym: sulcus cinguli, callosomarginal fissure, callosomarginal sulcus, sulcus callosomarginalis, sulcus of cingulum. (Web site)

Middle Cerebral Artery

  1. On the lateral surface of the brain identify the middle cerebral artery deep in the lateral fissure.


  1. Branches of the middle cerebral artery (12) are seen within the lateral (sylvian) fissure (10). (Web site)
  2. It then divides into two branches, which enter the orbit through the superior orbital fissure, between the two heads of the lateral rectus. (Web site)
  3. It divides into branches to supply the medial, frontal cerebral cortex up to the parieto-occipital fissure.


  1. A fissure usually occurs with constipation or after forceful passage of a large, hard bowel movement.


  1. A bilateral bifurcation of the sylvian fissure into an ascending and descending ramus was identified in 58 of the subjects.


  1. What is in front of the central fissure is the frontal lobe. (Web site)
  2. Frontal lobe Region of the brain located above the lateral fissure and in front of the central sulcus; involved in motor control and cognitive activities. (Web site)
  3. The cisterna fossæ cerebri lateralis is formed in front of either temporal lobe by the arachnoid bridging across the lateral fissure. (Web site)


  1. Typically, two arms of the rift open to form an ocean basin and the third arm fails and remains as a fissure in the continental landmass.
  2. Approximately 6,100 years ago, fissure basalt flows erupted from the rift and covered part of Newberry's northwest flank.

Lateral Sulcus

  1. However, the cortex in the upper bank of the lateral sulcus (sylvian fissure) corresponding to SII appears anatomically intact. (Web site)
  2. Extending out at right angles from the longitudinal fissure, it meets with the lateral sulcus.
  3. Some distance behind the frontal pole a prominent fissure, the lateral sulcus separates it from the temporal lobe. (Web site)


  1. Part of this lobe is hidden in the Sylvian fissure.


  1. The eruption appears to be associated with the generation of active lava flows at the base of the fissure. (Web site)
  2. Lava flowed from the base of the fissure, spreading SE towards the Valle del Bove.
  3. At the base of the longitudinal fissure lies a thick band of white matter called the corpus callosum. (Web site)

Back Teeth

  1. More than 75 percent of dental decay begins in the pit and fissure areas of the back teeth. (Web site)
  2. FISSURE - cleft-like grooves in the chewing surface of the back teeth. (Web site)
  3. The likelihood of developing pit and fissure decay begins as soon as the back teeth erupts, so children and teenagers are obvious candidates.


  1. Pit and fissure dental sealants should be applied soon after the molars have erupted, before the teeth have a chance to decay. (Web site)
  2. Pit or fissure decay is a bit more serious, forming along the narrow grooves in the chewing side of the molars. (Web site)
  3. Longitudinal investigation of bacteriology of human fissure decay: epidemiological studies in molars shortly after eruption.


  1. Opening the fissure exposes the upper part of the ambient cistern and the branches of the PCA and basal vein. (Web site)
  2. The word volcano also is used to describe the cone of erupted material that builds up around the opening or fissure. (Web site)
  3. Once completed, gently bend the hemispheres down, opening the longitudinal fissure (do not tear the hemispheres apart). (Web site)


  1. Anal fissure: An anal fissure is a small tear in the skin at the opening of the rectum.


  1. Extensional forces stretch the lithosphere and produce a deep fissure. (Web site)
  2. Such fissure volcanism occurs predominantly along the constructive boundaries between the plates into which the lithosphere is divided. (Web site)


  1. The temporal lobe is a region of the cerebral cortex that is located beneath the Sylvian fissure on both cerebral hemispheres of the mammalian brain. (Web site)
  2. They lie at the sides of the brain, beneath the lateral or Sylvian fissure. (Web site)
  3. It lies beneath the lateral surface of the brain, within the lateral fissure.


  1. The eruption began with a fissure spewing hot cinders to form the cone. (Web site)
  2. A second lava flow also poured from a fissure at the base of the erupting Mount Nyiragongo, six miles west of the new cone and 12 miles north of the city.
  3. The Nyamuragira volcano, just north of Goma, has gently gushed lava from its cone and through a fissure in its side since Oct.


  1. Curtain of Fire: A row of coalescing lava fountains along a fissure; a typical feature of a Hawaiian-type eruption. (Web site)


  1. Hard stools can irritate or tear the lining of the anus (fissure), making it painful to have a bowel movement.


  1. The most recent eruption of Nyamuragira began on July 4, 1994 from a fissure on the west flank.
  2. Nyamuragira erupted on 2 January from a fissure on the SE flank. (Web site)


  1. Nyamuragira has been producing lava flows from its cone and from a fissure on its flank since October 17.

Longitudinal Cerebral Fissure

  1. The cerebral hemispheres are separated by a deep groove, the longitudinal cerebral fissure. (Web site)
  2. Like the motor strip, the sensory strip continues down into the longitudinal cerebral fissure and so has both a lateral and a medial aspect. (Web site)
  3. It lies at the bottom of the Longitudinal Cerebral Fissure. (Web site)


  1. It is bounded by the central sulcus on its anterior border and and by the longitudinal cerebral fissure on its medial border.
  2. The hippocampal gyrus (gyrus hippocampi) is bounded above by the hippocampal fissure, and below by the anterior part of the collateral fissure. (Web site)
  3. Its central part presents a deep longitudinal fissure, bounded by prominent overhanging anterior and posterior lips. (Web site)


  1. Nonhemorrhoidal causes of symptoms (eg, fissure, abscess, fistula, pruritus ani, condylomata, and viral or bacterial skin infection) need to be excluded. (Web site)
  2. Itchiness or pain around the anus may be suggestive of inflammation, fistulization or abscess around the anal area or anal fissure.

Choroidal Fissure

  1. The opening through the choroidal fissure exposes the basal vein and branches of the PCA in the upper part of the ambient cistern. (Web site)
  2. This invagination constitutes the choroidal fissure, and extends from the interventricular foramen to the posterior end of the vesicle. (Web site)
  3. The invagination of the optic cup extends, as the choroidal fissure (not shown in the FIG. 4. Diagram of Developing Eye (1st stage). (Web site)


  1. The choroid plexus remains attached along the choroidal fissure located between the fimbria and the lower surface of the thalamus. (Web site)


  1. Ventral (anterior) median fissure with anterior spinal artery 6. (Web site)
  2. It is a buried convolution rolled into the lateral ventricle from the ventral and occipital margins of the cerebral cortex along the hippocampal fissure.
  3. It is a cylinder, almost bisected by a dorsal (d.f.) and a ventral (v.f.) fissure. (Web site)


  1. At the base of this fissure, in the midline, is a mass of tissue that contains the great cerebral vein (a median structure) and the pineal gland. (Web site)
  2. The dorsal wall of the fissure is formed by the uvula in the midline and the tonsils and biventral lobules laterally. (Web site)
  3. This approach is selected for lesions located in the midline below the vein of Galen and not extending deeply into the cerebellopontine fissure. (Web site)


  1. The cortex on the inferior border of the fissure receives input relayed through the thalamus from the ears to the primary auditory cortex. (Web site)
  2. The cortex is divided into five different regions by large sulci such as the central sulcus (Rolandic Fissure) and the lateral (Sylvian) sulcus.
  3. The insula is an "island" of cortex that lies at the base of the sylvian fissure, overlying the extreme capsule and claustrum. (Web site)

Human Brain

  1. The human brain is separated by a longitudinal fissure, separating the brain into two distinct cerebral hemispheres connected by the corpus callosum.
  2. The lateral sulcus (also called Sylvian fissure or lateral fissure) is one of the most prominent structures of the human brain.
  3. The convolutions and fissures resemble a sketch-map of the human brain, but the external perpendicular fissure is strongly marked in all. (Web site)


  1. Here the fibers synapse and postganglionic fibers join the fibers of the Maxillary Nerve, which travels through the inferior orbital fissure.
  2. In addition, some fibers from the VPL and VPM end in the secondary somatosensory area (SII), situated in the upper wall of the lateral cerebral fissure. (Web site)
  3. The fibers take an intracranial course to the cavernous sinus, where the fibers travel through the superior orbital fissure into the orbit via CN branches.


  1. The ventral wall of the fissure is formed by the posterior surface of the medulla, the inferior medullary velum, and the tela choroidea. (Web site)
  2. In the lower part of the medulla some of these fibers cross each other thus obliterating the anterior median fissure. (Web site)
  3. The cerebellomedullary fissure extends superiorly between the cerebellum and medulla. (Web site)


  1. In cases where the deep grooves of teeth are more numerous and exaggerated, pit and fissure caries are more likely to develop. (Web site)
  2. Though sealants are most often applied to children's teeth, many adults are now seeking the preventive benefits of pit and fissure sealants as well. (Web site)
  3. Dental sealants have been shown to be highly effective in the prevention of pit and fissure caries. (Web site)

Frontal Lobes

  1. The lateral fissure separates the temporal lobe from the parietal and frontal lobes. (Web site)
  2. They are separated from the frontal lobes by a cleft called the lateral fissure. (Web site)

Frontal Lobe

  1. The frontal lobe lies above the Sylvian fissure and in front of the central sulcus. (Web site)
  2. Parietal lobe Region of the brain behind the frontal lobe and above the lateral fissure; contains somatosensory cortex. (Web site)
  3. Sylvian Fissure The deep groove or sulcus that marks the boundary between the frontal lobe and temporal lobe. (Web site)

Cerebellomesencephalic Fissure

  1. The SCA sends branches above the trigeminal nerve and into the anterior part of the cerebellomesencephalic fissure. (Web site)
  2. The ambient cistern extends below the free edge into the part of the cerebellomesencephalic fissure located above the origin of the trigeminal nerve. (Web site)
  3. The cisternal (external) surface of the structures forming the superior part of the roof also form the anterior wall of the cerebellomesencephalic fissure. (Web site)


  1. This complex includes the internal occipital, basal and internal cerebral veins, and the vein of the cerebellomesencephalic fissure. (Web site)
  2. Vein - A fissure, fault or crack in a rock filled by minerals that have travelled upwards from some deep source. (Web site)
  3. VEIN: An opening, fissure, or crack in rock containing mineralized material.


  1. Horizontal fissure or Transverse fissure: found between the cerebrum and the cerebellum. (Web site)
  2. Cut through the longitudinal fissure, corpus callosum, and midline of the cerebellum.
  3. The anterior part of the superior surface of the cerebellum surrounds the posterior half of the midbrain to form the cerebellomesencephalic fissure. (Web site)

Cerebral Cortex

  1. Lateral Fissure: A deep sulcus (groove) within the convolutions of the cerebral cortex. (Web site)
  2. A deep fissure on the medial aspect of the cerebral cortex, marking the border between the lingual gyrus below and the cuneus above. (Web site)
  3. A deep fissure on the medial surface of the cerebral cortex, marking the border between the parietal lobe and the cuneus of the occipital lobe. (Web site)


  1. Ash Flow: A turbulent mixture of gas and rock fragments, most of which are ash-sized particles, ejected violently from a crater or fissure. (Web site)
  2. As the eruption progressed, a new fissure formed just northwest of the crater and produced lava flows which traveled to the south. (Web site)


  1. Lavas pour from the fissure across the surface of the volcanic seafloor, adding a thin coat of new lava (typically <10 m thick) with each eruption. (Web site)
  2. On volcanoes, a fissure is an elongate fracture or crack at the surface from which lava erupts.
  3. The Lateral Fissure (of Sylvius) begins on the basal THE CEREBRUM 9 surface of the brain at the lateral side of the anterior per- forated substance (ant. (Web site)


  1. The uncinate fasciculus passes across the bottom of the lateral fissure, and unites the gyri of the frontal lobe with the anterior end of the temporal lobe.
  2. As a result, the azygos vein comes to lie at the bottom of a deep fissure in the superior lobe of the right lung. (Web site)
  3. The corpus collosum is a massive bundle of nerve fibers that connect the two hemispheres - at the bottom of the longitudinal fissure. (Web site)


  1. A deep fissure separates the cerebrum into a left and right hemisphere (halves). (Web site)
  2. By means of a prominent groove, called the longitudinal fissure, the brain is dividid into two halves called hemispheres.

Temporal Lobes

  1. The lateral fissure separates the frontal and parietal from the temporal lobes. (Web site)
  2. Find the lateral fissure (also known as the 6.Sylvian fissure), which separates the frontal and temporal lobes.
  3. The sylvian fissure divides the temporal lobes from the rest of the brain along its length. (Web site)

Temporal Lobe

  1. A longitudinal gyrus on the lateral surface of the temporal lobe between the lateral (sylvian) fissure and the superior temporal sulcus. (Web site)
  2. This area encircles the auditory cortex on the Sylvian fissure (part of the brain where the temporal lobe and parietal lobe meet).
  3. The Temporal Lobe is inferior to the lateral fissure and anterior to the occipital lobe. (Web site)


  1. Brain computed tomography (CT) showed a low-density mass in an interhemispheric fissure (Fig. (Web site)
  2. On the basal surface of the brain, the posterior part of this fissure is hidden by the optic chiasma (Fig.
  3. Passing obliquely on the outer face of the hemisphere from before, upward and backward, is the well marked Sylvian fissure (fig.


  1. Groove
  2. Science > Geography > Regions > Hemispheres
  3. Sulcus
  4. Neuroanatomy > Nervous System > Central Nervous System > Cerebrum
  5. Eruption

Related Keywords

    * Anal * Anal Fissure * Anterior * Anus * Apex * Brain * Central Fissure * Central Sulcus * Cerebral Hemispheres * Cerebrum * Cleft * Corpus Callosum * Crack * Eruption * Eruptions * Fissures * Fissure Eruption * Fissure Eruptions * Fracture * Frontal * Furrow * Gash * Groove * Grooves * Hawaii * Hemisphere * Hemispheres * Hemorrhoids * Lateral * Laterally * Lateral Fissure * Lava * Lobes * Longitudinal Fissure * Medial * Medially * Occipital * Parietal * Parietal Lobes * Posterior * Posteriorly * Right * Rolando * Sealants * Sulcus * Superior * Superior Orbital Fissure * Sylvian Fissure * Sylvius * Tear * Temporal * Vent * Volcano
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  Originally created: August 01, 2010.
  Links checked: March 29, 2013.
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