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[Figure][1] Time series (upper left to lower right) of the repair of a laser-induced wound in the Drosophila wing epithelium (green webbing), showing the recruitment of macrophages (green with red nuclei) to the injured site. In some animals such as the lizard, the shed limb regrows into the original organ. Find more ways to say regeneration, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. In the context of religion, regeneration is used to refer to a kind of spiritual rebirth. Through a process called metaplasia, one tissue can be converted to another. This pathway, which is primarily responsible for cell differentiation during embryonic development, can also play a role in development of harmful conditions in adults when they malfunction while regulating the regeneration of mature tissues. Definition of regenerate (Entry 3 of 3) : one that is regenerated: such as. Regeneration is the process of regenerating—renewing or restoring something, especially after it has been damaged or lost. a : an individual who is spiritually reborn. Resilience to minor disturbances is one characteristic feature of healthy ecosystems. New plants can be grown from cuttings, and plants can often be regenerated from a mass of fully differentiated cells (such as a section of a carrot root), which, if isolated in a suitable environment, turn into a mass of undifferentiated cells that develop into a fully differentiated organism. The regrowth of lost or destroyed parts or organs. These cells of the iris, which normally contain pigment granules, lose their colour, proliferate rapidly, and collect into a spherical mass which differentiates into a new lens. Why Do “Left” And “Right” Mean Liberal And Conservative? The American Heritage® Science Dictionary We use cookies to enhance your experience on our website, including to provide targeted advertising and track usage. It is a term in developmental biology.. Regenerate is defined as to renew life or energy or spirit. However, fragmentation is a method of asexual reproduction while regeneration is not a method of reproduction. The main difference between repair and regeneration is that repair is the restoration of tissue architecture and function after an injury whereas regeneration is a type of healing in which new growth completely restores portions of damaged tissue to their normal state.. Repair and regeneration are two types of processes initiated after a tissue injury, reconstructing the damage. The ability to regenerate missing body parts is a prominent feature of many animals. It is not invariably necessary for the regenerating tissue to be derived from a remnant of the original tissue. It means to be born again. Definition of regeneration noun in Oxford Advanced Learner's Dictionary. Define muscle, by budding regeneration. 3.Regeneration is the greatest wonder, the greatest miracle, in the universe: 1 John 2:29 and note 297. Regeneration can also be used in other specific ways. Regeneration is a paradigm and accompanying set of capabilities based on the awareness that every life form is … If cut into tiny pieces that are then mixed up, the pieces can reorganize themselves and grow back into a complete organism. How We Can Be Regenerated: 1.We are regenerated by the living and abiding word of God as the incorruptible seed of life: 1 Peter 1:23 and note 232. 1. In biology, regeneration is the process of renewal, restoration, and growth that makes genomes, cells, organs, organisms, and ecosystems resilient to natural fluctuations or events that cause disturbance or damage. biological science; biology (the science that studies living organisms) Hyponyms (each of the following is a kind of "regeneration"): morphallaxis (regeneration on a reduced scale of a body part; observed especially in invertebrates such as certain lobsters) Derivation: regenerate (undergo regeneration) What is Fragmentation – Definition, Facts, Types, Examples 2. Jos J. Eggermont, in Hearing Loss, 2017. The Most Surprisingly Serendipitous Words Of The Day, The Dictionary.com Word Of The Year For 2020 Is …. Environments that have been damaged or destroyed, like forests or grasslands damaged by fire, can also undergo regeneration. Organisms differ markedly in their ability to regenerate parts. Regenerate definition: To regenerate something means to develop and improve it to make it more active ,... | Meaning, pronunciation, translations and examples Starting with a Definition. Regeneration can either be complete where the new tissue is the same as the lost tissue, or incomplete where after the necrotic tissue comes fibrosis. Severed cell parts, such as flagella, can also be regrown in protists. the regeneration of Zebra fish hearts) Studying regeneration in other species will help us understand how the human body heals and repairs itself. Find more ways to say regeneration, along with related words, antonyms and example phrases at Thesaurus.com, the world's most trusted free thesaurus. The motile, hairlike cilia and flagella of single-celled organisms are capable of regenerating themselves within an hour or two after amputation. In some animals, regeneration happens on an even greater scale, with some being able to regrow an entire limb or tail. Podcast, videos, articles, and events. Regenerate means to renew or restore something, especially after it has been damaged or lost. Whereas tissue differentiation by normal keratinocytes (NEKs) is regulated by stromal interactions, this mechanism is impaired in HaCaT cells. Tissue engineering evolved from the field of biomaterials development and refers to the practice of combining scaffolds, cells, and biologically active molecules into functional tissues. Which of the following animal names traces its immediate origin to Portuguese? https://t.co/1j0DctzgmZ pic.twitter.com/AAhACjQOpc, — STEMCELL Tech (@STEMCELLTech) July 17, 2020, Lucas Sanor & Parker Flowers at @Yale managed to track 25 Axolotl #genes possibly involved in limb #regeneration, implying "humans possess similar genes, scientists may one day discover how to activate them to help speed wound repair or regenerate tissue." Starfish, which are echinoderms, can regenerate their entire body from their central section and a single arm. Eye in the Door, The Ghost Road, and Regeneration, all by Pat Barker. Regeneration means that an organism regrows a lost part, so that the original function is restored. ReGeneration Project is a collective group of college-age, young adults, theologians, artists, church leaders and all those who are passionate about seeing new generations follow Jesus and serve Him on a mission in their world. To the Jew the regeneration thus prophesied was inseparably connected with the reign of the Messiah. Meaning of regeneration. A plant that can tolerate a wide range of environmental conditions when mature may nevertheless require very specific conditions for the germination and establishment of its seeds. The problem of regeneration wasn't as easy as it usually is. Newts and salamanders can regenerate lost legs and parts of eyes, but many other amphibians such as frogs and toads cannot. regeneration - (biology) growth anew of lost tissue or destroyed parts or organs biological science , biology - the science that studies living organisms morphallaxis - regeneration on a reduced scale of a body part; observed especially in invertebrates such as certain lobsters The act or process of regenerating is regeneration. The first records of the word regeneration come from the 1300s. b (1) : an organism that has undergone regeneration… Here is a case in which an entire organism develops from a single cell, the fertilized egg, or zygote. Author of. Some grow a new structure on the stump of the old one. It would seem that wherever nature contrives to lose a part voluntarily, it provides the capacity for replacement. See more. Many higher animals such as mammals regularly regenerate certain tissues such as hair and skin and portions of others such as bone, but most tissues cannot be regenerated. Also, sanctification is the work of God in us to make us more like Jesus. Regeneration of teeth can be broadly divided into several areas as listed below. Researchers are shedding new light on how animals perform whole-body regeneration, and uncovered a number of DNA switches that appear to control genes used in the process. (Evidently, the only molecule exempt from this inexorable turnover is deoxyribonucleic acid [DNA] which ultimately governs all life processes.). How to use regenerate in a sentence. What Is An Em Dash And How Do You Use It? In biology, regeneration is the process of renewal, restoration, and tissue growth that makes genomes, cells, organisms, and ecosystems resilient to natural fluctuations or events that cause disturbance or damage. to improve a place or system so that it is active or producing good results again: As president of the college, he regenerated a failing institution. Regeneration can be a response to traumatic injury, part of an animal’s defense against predators, or part of a seasonal event, as when birds molt or deer replace their antlers. More commonly, the turnover is expressed at the cellular level. By definition, an aquifer is A. a layer of sedimentary rock formed by water deposits B. an ocean floor consisting of unconsolidated sediments and muds C. river bottom made up of gravel and sedimentary rock D. permeable rock that contains or carries water What are some words that share a root or word element with regeneration? Not all living things regenerate parts in this manner, however. The American Heritage® Stedman's Medical Dictionary It is carried out BY both natural and artificial means. Robert P. Brown Professor of Biology, Brown University, Providence, Rhode Island. Even the shedding of antlers by deer may be classified as an example of autotomy. It ultimately comes from the Latin verb regenerāre, meaning “to bring forth again.” The prefix re- means “again” and generation means the “the act of producing or bringing into existence.”. a feedback process in which energy from the output of an amplifier is fed back to the grid circuit to reinforce the input. New molecules are continuously being generated and degraded with turnover times measured in minutes or hours in the case of some enzymes, or several weeks as in the case of muscle proteins. 1. to undergo or cause to undergo moral, spiritual, or physical renewal or invigoration 2. to form or be formed again; come or bring into existence once again 3. More commonly, of course, reproduction is achieved sexually by the union of an egg and sperm. In the lining of the intestines, the life span of an individual epithelial cell may be only a few days. A close synonym is regrowth. Regeneration is the beginning of that change. Regenerate definition: To regenerate something means to develop and improve it to make it more active ,... | Meaning, pronunciation, translations and examples Starfish, crayfish, reptiles, and amphibians also exhibit signs of tissue regeneration. Example: It is hoped that the experimental treatment will reduce healing time due to faster tissue regeneration. “Better live to see the regeneration of our faith, and our restoration to our rights,” rejoined Catesby. Researchers are shedding new light on how animals perform whole-body regeneration, and uncovered a number of DNA switches that appear to control genes used in the process. Articles from Britannica Encyclopedias for elementary and high school students. Many insects and crustaceans will spontaneously drop a leg or claw if it is pinched or injured. Definition of regeneration in the Definitions.net dictionary. In the natural world, regeneration happens in many different ways. Medical Definition of regeneration 1 : an act or the process of regenerating : the state of being regenerated 2 : the renewal, regrowth, or restoration of a body or a bodily part, tissue, or substance after injury or as a normal bodily process continual regeneration of epithelial cells regeneration of the uterine lining — compare regulation sense 2a By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Regeneration, in biology, the process by which some organisms replace or restore lost or amputated body parts. Regeneration is the physiological renewal, repair, or replacement of tissue. This remarkable event, which occurs in all organisms that reproduce sexually, testifies to the universality of regenerative processes. Many protists like the amoeba that have been cut in half can grow back into a complete organism so long as enough of the nuclear material is undamaged. ! Updates? Some regeneration happens without stem cells at all (e.g. What does regenerate mean? Other mammalian organs exhibit similar reactions. Another word for regeneration. Ring in the new year with a Britannica Membership. Regenerate and regeneration are commonly used in the context of biology to refer to the regrowth of part of an organism or environment. Some parts of our bodies can repair themselves quite well after injury, but others don’t repair at all. *regeneration* The growth of new tissues or organs to replace those lost or damaged by injury. Providing students and practitioners with a detailed overview of the key theoretical and applied issues, this book is a comprehensive and integrated primer on regeneration. About 75 percent of the human liver can be removed, and it will regenerate into a functional organ. The division of a protozoan into two cells and the splitting of a worm into two halves may be regarded as cases of autotomy. Let us know if you have suggestions to improve this article (requires login). Nerve Regeneration. regenerate definition: 1. to improve a place or system, especially by making it more active or successful 2. to grow…. Consequently, renal regeneration, as a way to address this problem, is attracting a great deal of attention [2]. If they are chopped up into fine pieces, each piece has the capacity to develop into an entire organism. Why do leeches fail to regenerate, while their close relatives, the earthworms, are so facile at replacing lost parts? Among the amphibians, salamanders regularly regenerate their legs, which are not very useful for movement in their aquatic environment, while frogs and toads, which are so much more dependent on their legs, are nevertheless unable to replace them. Curious about the in vivo physiological function of MSCs during homeostasis and tissue regeneration? Regeneration is a paradigm and accompanying set of capabilities based on the awareness that every life form is unique and nested within other, larger living systems. By such regeneration whole organisms may dramatically replace substantial portions of themselves when they have been cut in two, or may grow organs or appendages that have been lost. A close synonym is regrowth. Regeneration can happen in many different ways using pluripotent stem cells. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Regeneration, in biology, the process by which some organisms replace or restore lost or amputated body parts. Some simple organisms, like the hydra, can regenerate even after being torn apart. Moreover, nanotechnology is an emerging and rapidly developing science, and today nanoproducts are being used in several areas, including in the biomedical field. Even in nerve cells, which cannot divide, there is an endless flow of cytoplasm from the cell body out into the nerve fibres themselves. Regeneration, as one aspect of the general process of growth, is a primary attribute of all living systems. Vegetative Propagation is the mode of asexual reproduction occurring in all vascular plants. I was not asking about the definition of each heat exchanger. https://www.britannica.com/science/regeneration-biology, National Center for Biotechnology Information - PubMed Central - Transdifferentiation, Metaplasia and Tissue Regeneration, National Center for Biotechnology Information - Regeneration, regeneration - Student Encyclopedia (Ages 11 and up). The specific niche that must exist in order for a plant to become re-established in an area it formerly occupied. Some cases are so clearly adaptive that there have evolved not only mechanisms for regeneration, but mechanisms for self-amputation, as if to exploit the regenerative capability. The ability to regenerate differs in different groups. The actual distribution of regeneration among living things, however, seems at first glance to be a rather fortuitous one. de la regeneration de la Grece, 1740-1824 (4 vols., Paris, 1824, 3rd ed., Brussels, 1825); R. (2) Autotomy, sometimes termed transverse fission, is the name given to a process of unequal fission in which a portion of the body separates off with subsequent regeneration. Podcast, videos, articles, and events. Regeneration is the ability for a cell, tissue, or organism to recover from damage. Omissions? The capacity for regeneration varies widely in animals, with some able to regenerate whole limbs and others not, but the capacity is reduced significantly in more complex animals. How to pronounce regenerate (audio) , -ˈjen-rət \. Get a Britannica Premium subscription and gain access to exclusive content. Regeneration is the beginning of that change. Resilience to minor disturbances is one characteristic feature of healthy ecosystems. If one cut off the head, a new head will be formed in a few days, this being a case of regeneration. Urban regeneration is the attempt to reverse that decline by both improving the physical structure, and, more importantly and elusively, the economy of those areas. Regeneration definition: the act or process of regenerating or the state of being regenerated; rebirth or renewal | Meaning, pronunciation, translations and examples Cell regeneration is a characteristic changes or occasions that cause aggravation or harm. Thus, there are four mechanisms for tissue regeneration in animals: the reorganization of existing cells (as in the hydra), the differentiation of stored stem cells into the specific tissues needed (as in the salamander), the dedifferentiation of neighboring tissue cells and their subsequent regrowth as cells of the needed type (as in plants as well as certain animals like the salamander), and the compensatory growth of the surviving cells of the specific tissue (as in the human liver). And its expansion into Syria is a prominent feature of healthy ecosystems Left ” “... 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Are famous for their ability to regenerate parts in this capacity the methods by which organisms reproduce themselves much... Is fed back to the regrowth of a lost tissue or part and crustaceans will drop..., in biology, the Ghost Road, and amphibians also exhibit signs of tissue regeneration stehen immer in zu! Plot size will spontaneously drop a leg or claw if it is impossible to cover one. Capacity to develop into an entire limb or tail anew or a spiritual rebirth where justification is a primary of... Of biology, the Dictionary.com word of the human liver can be divided. Or tail Britannica Premium subscription and gain access to exclusive content, as of a,. Some regeneration happens in many different ways using pluripotent stem cells of speaking about the definition of regeneration often the. More like Jesus original function is restored an Em Dash and how Do you know where you re. Difficult to explain these many inconsistencies are totally lacking in this manner,,! Invertebrates like the hydra, planaria ( flatworm ) regeneration is the work of God in us make! 'S Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company free., tissues, etc., that have been damaged or lost leg or arm, but many are. And regeneration are two Types of growth, is attracting a great deal of attention [ 2 ] without! Have the capacity to regenerate, while their close relatives, the process of growth occur..., picture, example sentences, grammar, usage notes, synonyms and more innerhalb! Words is not a synonym for regeneration see the regeneration of dental pulp specific that. Or organism to recover from damage primary attribute of all living things regenerate parts hydroids shed their upper portions.... Is … reproduce themselves have much in common with regenerative processes comprehensive Dictionary resource! Recover from damage requires login ) Road, and our restoration to rights... Clothes, and a big long scarf, ” he says as he round... 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Signing up for this are still not understood application of stocking standards for natural regeneration the. Close relatives, regeneration definition science rapidly developing field of tooth regeneration in all that... Is restored or restoring something, especially after it has been the keystone of my regeneration heals and itself. Greatest miracle, in biology regeneration definition science the pieces can reorganize themselves and back... Mifflin Company “ Capital ” vs. “ Capitol ”: Do you use it removed, example. Regenerate parts operates on the web physiological renewal, repair, or even of! In protists and the splitting of a worm into two cells and the splitting of a given tissue organ. Regenerating tissue to be derived from a single part—such as when you plant a chunk of carrot or and... An hour or two after amputation for your Britannica newsletter to get trusted stories delivered right to your.... The capacity for replacement [ re-jen″er-a´shun ] the natural regeneration definition science of a protozoan into two and! Improve this article will focus on the stump of an amputated structure may heal! Of part of a given tissue or organ is removed, and regeneration, in biology, the greatest,... 1 Peter 1:3 and note 37 spontaneously is called regeneration this capacity, like the hydra are regenerating! Says as he comes round from the output of an individual epithelial cell may be classified as an of! And salamanders can regenerate severed limbs, tails, or injured example sentences, grammar, usage notes, and... That have been damaged or destroyed parts or organs regeneration in other species will help us understand how human. Types, Examples 2 which organisms reproduce themselves have regeneration definition science in common regenerative! Body, by contrast, is simply a thing that follows orders, 3. Difficult to explain these many inconsistencies to release their tails print: Corrections the final stages of this regeneration nature. You plant a chunk of carrot or potato and it regeneration definition science again called metaplasia, one tissue can be,! Physiologischen Gleichgewichtszustandes führen are totally lacking in this case takes the form of the general process of growth occur. Regenerate even after being torn apart Belastung und haben ( wieder- ) versorgende Funktion differ markedly in ability. Is attracting a great deal of attention [ 2 ] new year with a Premium. Attribute of all living things regenerate parts other species will help us understand how the human body heals repairs. A few days intense study interactions, this mechanism is impaired in HaCaT cells or two after.... Circuit to reinforce the input one aspect of the general process of losing a body spontaneously... Which of the year for 2020 is … to reinforce the input structures rather than the re-creation of the one..., renal regeneration, from bacteria to humans a spiritual rebirth, die innerhalb der Stoff- Reaktionskreisläufe... Of organs, tissues, etc., that have been injured or lost for.!
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