Fissure eruptions typically dwindle to a central vent after a period of hours or days. a long, deep, narrow hollow area in a surface in the body, especially in the cerebral cortex (= the surface of the brain) medical specialized. Supplement. The content on this website is for information only. ‘The numbers studying chemistry and biology, meanwhile, have been enjoying a steady rise.’ ‘Many fields in biology have progressed by the concentrated study of a select group of model systems.’ ‘Gina was a really interesting person - studying biology and chemistry to go … Fissure has its roots in the Latin word fissura, meaning a cleft or crack. 2. a break in continuity of bone; it may be caused by trauma, twisting due to muscle spasm or indirect loss of leverage, or by disease that results in osteopenia . Meaning of fissure. If you experience severe pain or bright red bleeding during or after bowel movements, you may have an anal fissure. 8 synonyms of fissure from the Merriam-Webster Thesaurus, plus 12 related words, definitions, and antonyms. Binary fission also describes the duplication of organelles in eukaryotes. If you see a fissure in the ice on a frozen lake, you'll want to take off your skates and head back to the car. See more. You also may experience spasms in the ring of muscle at the end of your anus (anal sphincter).Anal fissures are very common in young infants but can affect people of any age. Fissure kya hai? A long narrow opening; a crack or cleft. Any cleft or groove, normal or otherwise, especially a deep fold in the cerebral cortex which involves the entire thickness of the brain wall. Thesaurus: synonyms and related … A narrow transverse slit dividing the mandibular fossa of the temporal bone into tympanic and petrous portions. 2. Another word for fissure. 2. a deep cleft in the surface of a tooth, usually due to imperfect fusion of the enamel of the adjoining dental lobes. fissure [fish´er] 1. a narrow slit or cleft, especially one of the deeper or more constant furrows separating the gyri of the brain. Anal fissures may be noticed by bright red anal bleeding on the toilet paper, sometimes in the toilet. Paris, France: Éditions du Seuil Google Scholar; 4. A fissure occurs when the skin begins to separate and then pulls apart. It occurs commonly among lower plants and invertebrate animals (particularly rotifers, aphids, ants, wasps, and bees) and rarely among higher vertebrates. On volcanoes, a fissure is an elongate fracture or crack at the surface from which lava erupts. It divides the upper and lower lobes of the left lung and separates the upper and middle lobes from the lower lobe of the right lung. 2. a deep cleft in the surface of a tooth, usually due to imperfect fusion of the enamel of the adjoining dental lobes. An unhealed fissure can trigger a cycle of discomfort that may require medications or surgery to reduce the pain and to repair or remove the fissure. Crevasse definition, a fissure, or deep cleft, in glacial ice, the earth's surface, etc. Find another word for fissure. The brain is one of … noun. The deep fissure in each lung that runs obliquely downward and forward. Biology, study of living things and their vital processes that deals with all the physicochemical aspects of life. Medical Definition of Fissure. Fissure definition is - a narrow opening or crack of considerable length and depth usually occurring from some breaking or parting. posterior median fissure. Definition: A fissure is a name for a tear that sometimes occurs in the outer layer of the tissue of the anal canal. Major fissure –> From Wikipedia, the free encyclopedia A commissure (/ ˈkɒməʃər /) is the location at which two objects abut or are joined. The following texts are the property of their respective authors and we thank them for giving us the opportunity to share for free to students, teachers and users of the Web their texts will used only for illustrative educational and scientific purposes only. The process of splitting or separating; division. Definition noun A median fissure separating the two hemispheres of the vertebrate brain Supplement The cerebrum of vertebrates, including humans, is divided by two hemispheres referred to as left and right cerebral hemispheres. Pain, especially with bowel movements, is the main symptom. What does fissure mean? Biology definition, the science of life or living matter in all its forms and phenomena, especially with reference to origin, growth, reproduction, structure, and behavior. Full article >>> An anal fissure is a natural crack or tear in the skin of the anal canal. It can be treated with a dental sealant to decrease risk of caries. Binary Fission Definition. Proteomics definition is - a branch of biotechnology concerned with applying the techniques of molecular biology, biochemistry, and genetics to analyzing the structure, function, and interactions of the proteins produced by the genes of a particular cell, tissue, or organism, with organizing the information in databases, and with applications of the data. 3. It can be treated with a dental sealant to decrease risk of caries. ‘Suddenly a fissure runs through the group of contented 40-year-olds at the hub of the narrative.’ ‘The same can be true of ideological differences, with the personal rivalry in place long before the policy fissure that maps on to it.’ Find more ways to say fissure, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. Translation for 'fissiparous' in the free English-Spanish dictionary and many other Spanish translations. dorsal median fissure synonyms, dorsal median fissure pronunciation, dorsal median fissure translation, English dictionary definition of dorsal median fissure. 2. Fissure definition, a narrow opening produced by cleavage or separation of parts. Learn more. Fissure definition: A fissure is a deep crack in something, especially in rock or in the ground . A chronic anal fissure likely has a deeper tear, and may have internal or external fleshy growths. Types of fractures. A lesion is an area of inflammation in a tissue that suffered trauma or the impact of chronic illness. Overuse of our groundwater resources has resulted in an ever prevalent problem of Earth fissures. In anatomy, fissure is a groove, natural division, deep furrow, cleft, or tear in various parts of the body. In geology, a fissure is a fracture or crack in rock along which there is a distinct separation; fissures are often filled with mineral-bearing materials. ण. Lateral fissure definition, the fissure separating the frontal, temporal, and parietal lobes of the cerebrum. Typically, a lesion involves an abnormal structural change to a tissue. All Free. Information and translations of fissure in the most comprehensive … n. 1. Sulcus definition is - furrow, groove; especially : a shallow furrow on the surface of the brain separating adjacent convolutions. 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