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fissure meaning in biology

Cerebrum, the largest and uppermost portion of the brain. Synonyms: crack, opening, hole, split More Synonyms of fissure COBUILD Advanced English Dictionary. Anal fissure: A tear in the lining of the anus, often caused by constipation. See more. Definition: A fissure is a name for a tear that sometimes occurs in the outer layer of the tissue of the anal canal. Fissure (Science: anatomy) Any cleft or groove, normal or otherwise, especially a deep fold in the cerebral cortex which involves the entire thickness of the brain wall. posterior median fissure. Usually this exam is all that's needed to diagnose an anal fissure.An acute anal fissure looks like a fresh tear, somewhat like a paper cut. Any information here should not be considered absolutely correct, complete, and up-to-date. It is not intended to provide medical, legal, or any other professional advice. fissure - (anatomy) a long narrow slit or groove that divides an organ into lobes vallecula , groove - (anatomy) any furrow or channel on a bodily structure or part sulcus - (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain 2. Views expressed here do not necessarily reflect those of Biology Online, its staff, or its partners. Tissue Definition. Origin: L. Fissura 2. a deep cleft in the surface of a tooth, usually due to imperfect fusion of the enamel of the adjoining dental lobes. The fissure's location offers clues about its cause. A long narrow opening; a crack or cleft. A narrow transverse slit dividing the mandibular fossa of the temporal bone into tympanic and petrous portions. Atlan H (1974) On a formal definition of organization. Binary fission also describes the duplication of organelles in eukaryotes. 2. a deep cleft in the surface of a tooth, usually due to imperfect fusion of the enamel of the adjoining dental lobes. An anal fissure is a small tear in the thin, moist tissue (mucosa) that lines the anus. In cell biology, receptors are special structures that can be found in cell membranes.These are made of protein molecules such as glycoproteins.Receptors bind (attach) to specialised molecules.If the receptor has this molecule, it is activated, but if it does not it is deactivated. 3. Synonym: fissura obliqua pulmonis, major fissure, oblique fissure. 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. - Definition, Signs, Symptoms & Treatment, The Nervous System at the Cellular Level: Help and Review, Gross Anatomy of Muscular System: Help and Review, Anatomy and Physiology of Male and Female Reproductive Systems: Help and Review, Early Development to Childbirth: Help and Review, CLEP Natural Sciences: Study Guide & Test Prep, Introduction to Natural Sciences: Certificate Program, … Please do not confuse this with a cut; it is not the same thing. All Free. 2. 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. 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. Your doctor will likely ask about your medical history and perform a physical exam, including a gentle inspection of the anal region. 2. a deep cleft in the surface of a tooth, usually due to imperfect fusion of the enamel of the adjoining dental lobes. The deep fissure in each lung that runs obliquely downward and forward. Fissure . Barabasi AL, Oltvai ZN (2004) Network biology: understanding the cell's functional organization. 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. Modern principles of other fields, such as chemistry, medicine, and physics, for example, are integrated with those of biology in areas such as biochemistry, biomedicine, and biophysics. a fault on the surface of a tooth. Read.. Meet the colorful takahē, an extremely rare flightless bird. Crevasse definition, a fissure, or deep cleft, in glacial ice, the earth's surface, etc. The most common usage of the term refers to the brain's commissures, of which there are five. © 2001-2020 BiologyOnline. It can be treated with a dental sealant to decrease risk of caries. There are four different types of tissues in animals: connective, muscle, nervous, and epithelial. Synonym: fissura horizontalis pulmonis dextri, horizontal fissure of right lung, minor fissure. Treatment . Definition of fissure noun in Oxford Advanced Learner's Dictionary. Define fissuring. In this tutorial, find out more about certain types of inheritance that does not follow the Mendelian inheritance patter.. Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. Hydrothermal vent definition is - a fissure in the ocean floor especially at or near a mid-ocean ridge from which mineral-rich superheated water issues. Definition of fissure in the Definitions.net dictionary. It can be treated with a dental sealant to decrease risk of caries. Often the tear is visible. 1. a shallow vertical groove in the closed part of the medulla oblongata, continuous with the posterior median fissure of the spinal cord. Meaning of fissure. 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. n. 1. Origin: L. Fissura This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008) Lexicographical Neighbors of Fissure 2. a shallow vertical groove dividing the spinal cord throughout its length in the midline posteriorly; called also posterior median sulcus. … Before using our website, please read our Privacy Policy. Binary fission is the process through which asexual reproduction happens in bacteria.During binary fission, a single organism becomes two independent organisms. Views expressed here do not necessarily reflect those of Biology Online, its staff, or its partners. Fissure kya hai? The contents of the fissure include communications of cranial nerve s VII and IX to the infratemporal fossa. ण. A long fine crack in the surface of something is called a fissure. If you experience severe pain or bright red bleeding during or after bowel movements, you may have an anal fissure. It can be treated with a dental sealant to decrease risk of caries. Other articles where Fissure vent is discussed: volcano: Fissure vents: These features constitute the surface trace of dikes (underground fractures filled with magma). central fissure: [ fish´er ] 1. a narrow slit or cleft, especially one of the deeper or more constant furrows separating the gyri of the brain. See more. 1 people chose this as the best definition of fissure: A long narrow opening; a... See the dictionary meaning, pronunciation, and sentence examples. Fissure kyo hota hai? A lesion is an area of inflammation in a tissue that suffered trauma or the impact of chronic illness. A fissure is considered chronic if it lasts more than eight weeks. Types of fractures. Find more ways to say fissure, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. fissure [fish´er] 1. a narrow slit or cleft, especially one of the deeper or more constant furrows separating the gyri of the brain. Typically, a lesion involves an abnormal structural change to a tissue. Lesion Definition. ‘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 … It can be treated with a dental sealant to decrease risk of caries . fissure - WordReference English dictionary, questions, discussion and forums. 3. The deep fissure in each lung that runs obliquely downward and forward. All Free. In anatomy, fissure is a groove, natural division, deep furrow, cleft, or tear in various parts of the body. The brain is one of … See illustration. Sulcus definition is - furrow, groove; especially : a shallow furrow on the surface of the brain separating adjacent convolutions. fissure - WordReference English dictionary, questions, discussion and forums. Pain, especially with bowel movements, is the main symptom. | Meaning, pronunciation, translations and examples (Anatomy) anatomy a narrow split or groove that divides an organ such as the brain, lung, or liver into lobes. Full article >>> An anal fissure is a natural crack or tear in the skin of the anal canal. Translation for 'fissiparous' in the free English-Spanish dictionary and many other Spanish translations. Anal fissures may be noticed by bright red anal bleeding on the toilet paper, sometimes in the toilet. The process of splitting or separating; division. See more. Paris, France: Éditions du Seuil Google Scholar; 4. How to use fissure in a sentence. 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 . As a property owner or potential buyer of land, there are several things you need to know about these large cracks in the ground in order for you to make an informed decision. A foramen (plural foramina) is an opening or hole through tissue, usually bone.It allows nerves and blood vessels to travel from one side of the tissue layer to the other. Find out more about its unique features and why they matte.. Human intelligence provided the means to utilize abstract ideas and implement reasoning. sulcus [sul´kus] (L.) a groove or furrow; used in anatomic nomenclature to designate a linear depression, especially one of the cerebral sulci. What does fissure mean? Causes and symptoms of Fissure in Hindi language. An anal fissure is a small tear or crack in the lining of the anus. 2. a deep cleft in the surface of a tooth, usually due to imperfect fusion of the enamel of the adjoining dental lobes. Origin: L. Fissura. fissure definition: 1. a deep, narrow crack, especially in rock or the earth 2. a long, deep, narrow hollow area in a…. Fibrillation definition is - an act or process of forming fibers or fibrils. Know more about this .. Autotrophs flourished, absorbing carbon and light. On volcanoes, a fissure is an elongate fracture or crack at the surface from which lava erupts. It occurs commonly among lower plants and invertebrate animals (particularly rotifers, aphids, ants, wasps, and bees) and rarely among higher vertebrates. Crevasse definition, a fissure, or deep cleft, in glacial ice, the earth's surface, etc. The s.. Synonym: fissura obliqua pulmonis, major fissure, oblique fissure. From Wikipedia, the free encyclopedia A commissure (/ ˈkɒməʃər /) is the location at which two objects abut or are joined. Thesaurus: synonyms and related … fissure [fish´er] 1. a narrow slit or cleft, especially one of the deeper or more constant furrows separating the gyri of the brain. Learn more. May 3, 2019 Posted by Samanthi The key difference between sulcus and fissure is that sulcus is a groove on the cerebral cortex that surrounds a gyrus while fissure is a deeper sulcus that separates the brain into functional lobes. Fissure definition is - a narrow opening or crack of considerable length and depth usually occurring from some breaking or parting. This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. So, it is often defined as a site of abnormal tissue change. Learn more. a long, deep, narrow hollow area in a surface in the body, especially in the cerebral cortex (= the surface of the brain) medical specialized. A fissure exists between the two hemispheres and is referred to as median longitudinal fissure. Meaning of fissure . All Rights Reserved. How to use fissure in a sentence. J Theor Biol 45: 295 – 304 Crossref CAS PubMed Web of Science® Google Scholar; 3. A long narrow opening; a crack or cleft. Atlan H (1979) Entre le Cristal et la Fumée. Soon after, primitive life forms that could assimilate oxygen thrived.. Upon fertilization, a zygote forms and develops into an embryo. Fissure ka karan aur lakshan Hindi me. Biology, study of living things and their vital processes that deals with all the physicochemical aspects of life. This tutorial takes a further l.. Typically, a lesion involves an abnormal structural change to a tissue. A fissure occurs when the skin begins to separate and then pulls apart. The process of splitting or separating; division. Pain, especially with bowel movements, is the main symptom. Spermatogenesis definition is - the process of male gamete formation including formation of a spermatocyte from a spermatogonium, meiotic division of the spermatocyte, and transformation of the four resulting spermatids into spermatozoa. Anal fissures typically cause pain and bleeding with bowel movements. Lateral fissure definition, the fissure separating the frontal, temporal, and parietal lobes of the cerebrum. 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. The cerebrum consists of the cerebral hemispheres and accounts for two-thirds of the total weight of the brain. Word origin: Synonyms: glaserian fissure. Parthenogenesis, a reproductive strategy that involves development of a female (rarely a male) gamete (sex cell) without fertilization. fissura petrotympanica. basilar sulcus a groove in the midline of the anterior surface of the pons, lodging the basilar artery. Any cleft or groove, normal or otherwise, especially a deep fold in the cerebral cortex which involves the entire thickness of the brain wall. 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. Binary Fission Definition. Fissure definition is - a narrow opening or crack of considerable length and depth usually occurring from some breaking or parting. The content on this website is for information only. It is not intended to provide medical, legal, or any other professional advice. This tutorial elaborates on the growth and development f.. Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe.. The cerebral cortex is responsible for integrating sensory impulses, directing motor … 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. All Rights Reserved, Genetic Engineering Advantages & Disadvantages. Supplement. 8 synonyms of fissure from the Merriam-Webster Thesaurus, plus 12 related words, definitions, and antonyms. In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. This outermost tissue layer in this region is made of squamous epithelial cells. Fissure (Science: anatomy) Any cleft or groove, normal or otherwise, especially a deep fold in the cerebral cortex which involves the entire thickness of the brain wall. ‘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.’ © 2001-2020 BiologyOnline. Any information here should not be considered absolutely correct, complete, and up-to-date. A separation into subgroups or factions; a schism. A chronic anal fissure likely has a deeper tear, and may have internal or external fleshy growths. anal definition: 1. relating to the anus (= the opening at end of the intestines through which solid waste leaves…. 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. Medical Definition of Fissure. Definition. A lesion is an area of inflammation in a tissue that suffered trauma or the impact of chronic illness. 1. biology definition: 1. the scientific study of the natural processes of living things: 2. the scientific study of the…. Fissure definition: A fissure is a deep crack in something, especially in rock or in the ground . The deep fissure that separates the upper and middle lobes of the right lung. Most dikes measure about 0.5 to 2 metres (1.5 to 6.5 feet) in width and several kilometres in length. dorsal median fissure synonyms, dorsal median fissure pronunciation, dorsal median fissure translation, English dictionary definition of dorsal median fissure. 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. Another word for fissure. So, it is often defined as a site of abnormal tissue change. mRNA, a type of RNA, is produced as a transcri.. ‘Hobbit’ Fossil Likely Represents New Branch On Human Family Tree, Surgical Anatomy of the Left Lateral Segment as Applied to Living-Donor and Split-Liver Transplantation, Biomaterials Approaches to Combating Oral Biofilms and Dental Disease. An anal fissure may occur when you pass hard or large stools during a bowel movement. See more. Before using our website, please read our Privacy Policy. b: very rapid irregular contractions of the muscle fibers of the heart resulting in a lack of synchronism between heartbeat and pulse 3. These cells .. Part of the genetic information is devoted to the synthesis of proteins. n. 1. This tutorial presents the benefits and the possible adverse eventualities of genetic engineering. See more. An anal fissure may extend into the ring of muscle that holds your anus closed (internal anal sphincter), making it more difficult for your anal fissure to heal. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Fissure eruptions typically dwindle to a central vent after a period of hours or days. Fissure definition, a narrow opening produced by cleavage or separation of parts. Learn more. The term is used especially in the fields of anatomy and biology. A fissure that occurs on the side of the anal opening, rather than the back or front, is more likely to be a sign of another disorder, such as Crohn's disease. Fissure has its roots in the Latin word fissura, meaning a cleft or crack. countable noun A fissure is a deep crack in something, especially in rock or in the ground. A fissure is a crack or tear in the skin. fissure fracture: [ frak´chur ] 1. the breaking of a part, especially a bone. Information and translations of fissure in the most comprehensive … a weakness or flaw indicating impending disruption or discord fissures in a decaying empire anatomy a narrow split or groove that divides an organ such as the brain, lung, or liver into lobesSee also sulcus … Find another word for fissure. fissure in ano definition, meaning, English dictionary, synonym, see also 'fissure eruption',fissure of Rolando',fissure of Sylvius',fissure eruption', Reverso dictionary, English definition, English vocabulary 1. any long narrow cleft or crack, esp in a rock 2. a weakness or flaw indicating impending disruption or discord: fissures in a decaying empire. Define dorsal median fissure. Major fissure –> The dikes that feed fissure vents reach the surface from depths… Tissues are groups of cells that have a similar structure and act together to perform a specific function. The word tissue comes from a form of an old French verb meaning “to weave”. noun. Overuse of our groundwater resources has resulted in an ever prevalent problem of Earth fissures. oblique fissure of lung fissuring synonyms, fissuring pronunciation, fissuring translation, English dictionary definition of fissuring. The content on this website is for information only. fissure [fish´er] 1. a narrow slit or cleft, especially one of the deeper or more constant furrows separating the gyri of the brain.

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