Fertility and Sterility® is an international journal for obstetricians, gynecologists, reproductive endocrinologists, urologists, basic scientists and others who treat and investigate problems of infertility and human reproductive disorders. Sterile definition is - failing to bear or incapable of producing fruit or spores. Fertility and Sterility® is an international journal for obstetricians, gynecologists, reproductive endocrinologists, urologists, basic scientists and others who treat and investigate problems of infertility and human reproductive disorders. PRECAUTIONS AGAINST MICROBIAL CONTAMINATION The test for sterility is carried out under aseptic conditions. CallUrl('en>wikipedia>orggenetics>utah>edubio-medicine>orgberkeley>edunetbiology-questions-and-answers>comhtml',1), In an individual carrying an abnormal number of X chromosomes, cellular mechanisms will inactivate all but one X in each of her cells. It may be an inherited trait, as in the mule; or it may be acquired from the environment, for example through physical injury or disease, or by exposure to radiation. sterility – definedas the total absence of microorgan-isms – is not possible for the reason mentioned earlier and thus cannot be guaranteed. Sterility is the physiological inability to effect sexual reproduction in a living thing, members of whose kind have been produced sexually. What is Sterility? See more. Other articles where Hybrid sterility is discussed: evolution: Hybrid sterility: Hybrid zygotes sometimes develop into adults, such as mules (hybrids between female horses and male donkeys), but the adults fail to develop functional gametes and are sterile. One common definition of sterility is the inability to create offspring (children) as a result of a procedure—such as tubal ligation, hysterectomy, or vasectomy. How to use sterile in a sentence. (a) The test. © W. G. Hale, V. A. Saunders, J. P. Margham 2005 Want to thank TFD for its existence? (in animals and people) the condition of being unable to produce young, or (in plants) the…. Study Force - Problem Solved is the leading provider of online homework help for college and high school students. Ans. ADVERTISEMENTS: Everything you need to know about self-incompatibility and male sterility in plants ! self-sterility The condition found in many hermaphrodite organisms in which male and female reproductive cells produced by the same individual will not fuse to form a zygote, or if they do, the zygote is unable to develop into an embryo. sterility meaning: 1. Prezygotic mechanisms include habitat isolation, mating seasons, "mechanical" isolation, gamete isolation and behavioral isolation. Male sterility is of three types, viz. The phenotype of individuals heterozygotic for certain types of chromosome aberration; expressed as a reduced number of viable gametes and hence reduced fertility. CallUrl('opentextbc>cabrightstorm>comcourse-notes>orgbiology-online>orgicoachmath>comhtml',0), Symptoms: tall stature (over 6'), may including ~TildeLink(), developmental delay, learning problems. Definition Heterochrony refers to any change in the developmental timing of an organism's growth that results in changes between ancestor and descendant species; or between different members of a … Sterility can be defined as absence of viable Microorganism. and other biological agents like prions present in a specific surface, object or fluid, for example food or biological culture media. CallUrl('www>like2do>cominformatics>jax>orgshtml',0), Sterility if testes do not descend during developmentSpermatogenesis occurs in walls of seminiferous tubules (→compartment of testes)Sperm are passively carried to the epididymisNetwork of seminiferous tubules → leads into vas deferensSperm acquire ability to swim and are stored ... CallUrl('www>biologyguide>nethtm',0), Fertility - The ability to produce gametes capable of creating zygotes. habitat isolation b. gamete isolation c. hybrid sterility d. behavioral isolation e. temporal isolation A liger is a cross between a male lion and a female tiger. However, the conditions that guarantee absolute sterility are usually too harsh for active ingredients, and the definition of sterility for a medicinal product must be defined in functional terms. ... CallUrl('www>talkorigins>orghtml',0), Offspring inviability or ~TildeLink():All that courting and mating is wasted if the offspring of matings between the two groups do not survive or cannot reproduce. Artificial selection induced strong intra-strain mating preferences. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Start studying Biology - Chapter 14 Exam. (Test for speciation: sterile offspring and lack of interbreeding affinity.) Another possibility is breeding male ~TildeLink() in transgenic plants. See also related terms for inability. What is what? Sterile definition, free from living germs or microorganisms; aseptic: sterile surgical instruments. CallUrl('www>biologyreference>comhtml',0), Bohler, Jr., H., Mokshagundam, S. & Winters, S.J. Information and translations of sterility in the most comprehensive dictionary definitions resource on the web. ADVERTISEMENTS: Q. Biologics treat many conditions, for example, cancers, rheumatoid arthritis, inflammatory bowel disease, MS, psoriasis, lupus, chronic migraine, and hepatitis B. Sterilization refers to any process that removes, kills, or deactivates all forms of life (in particular referring to microorganisms such as fungi, bacteria, viruses, spores, unicellular eukaryotic organisms such as Plasmodium, etc.) YAC -- yeast artificial chromosome; a linear vector into which a large fragment of DNA can be inserted; the development of YAC's in 1987 has increased the number of nucleotides which can be cloned. The proposed definition of commercial sterility is: The condition achieved by application of heat, irradiation, high-pressure, or other processes, alone or in combination with other ingredients or treatments, to render the product free of microorganisms capable of growing in the product at 2. ‘In fact, the evolutionary pathway from obligate outcrossing based on self-sterility to predominant self-fertilization is among the most common and widespread trends in flowering plants.’ ‘This was accomplished by isolating single-conidium cultures from each progeny and testing for self-sterility … Sterility can be defined as the freedom from the presence of viable microorganisms. In order to achieve such conditions, the test environment has to be adapted to … Tell a friend about us, add a link to this page, or visit the webmaster's page for free fun content. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Commercial sterility According to the WHO/FAO, commercial sterility of low-acid food is defined as follows: “Commercial sterility means the absence of microorganisms capable of growing in the Its deficiency may cause ~TildeLink(), spontaneous abortions and muscle dystrophy. Examples of hybrid sterility in the following topics: Reproductive Isolation. Biologics or biologic drugs are products made from living organisms or contain components of living organisms. ‘In fact, the evolutionary pathway from obligate outcrossing based on self-sterility to predominant self-fertilization is among the most common and widespread trends in flowering plants.’ ‘This was accomplished by isolating single-conidium cultures from each progeny and testing for self-sterility … Aseptic means something has been made contamination-free, that it will not reproduce or create any kind of harmful living microorganisms (bacteria, viruses and others). ~TildeLink() - The opposite of both fertility and fecundity, or the complete inability to reproduce. CallUrl('www>ukessays>comphp',1), Among the various hypotheses to explain the extinction that closed the Mesozoic era were allergies by dinosaurs to pollen produced by flowering plants, increased radiation levels that led to male dinosaur ~TildeLink(), diseases brought by migrating animals, ... CallUrl('www2>estrellamountain>eduhtml',0), According to Imperial College, if the ~TildeLink() trait was dominant, it wouldn't have much of a chance to spread because it would immediately appear in the next generation and destroy it. hybrid sterility (noun) a situation in which a mating between two individuals creates a hybrid that is sterile Q. 10-6 equ… 68-73, 30-60, 50, 35-60, 50, 10 The temperature of the sterilization area should be between __… See more. Sterile describes a … CallUrl('www>sparknotes>comcommagnet>fsu>eduhtml',0), Hybrid - The offspring of parents of two different species. Collins Dictionary of Biology, 3rd ed. https://medical-dictionary.thefreedictionary.com/sterility. Hybrids are often unable to reproduce, whether because of ill health, deformity, or ~TildeLink(). "Because temperature had been widely known to affect. 2010. Male sterility refers to condition in which either pollen is absent or non­functional in flowering plants. Condition of being aseptic, or free from all living microorganisms. Ans. heteromorphic system and homomorphic system. BIs provide a high level of sterility assurance and are ideal monitors of the sterilization process. 1. What is self incompatibility? Source for information on self-sterility: A Dictionary of Biology dictionary. A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Transfection, technique used to insert foreign nucleic acid ( DNA or RNA) into a cell, typically with the intention of altering the properties of the cell. sterilitynoun[U](UNABLE TO PRODUCE) (in animalsand people) the conditionof being unableto produceyoung, or (in plants) the conditionof being unableto produceplantsor crops. Self-sterile definition is - sterile to its own pollen or sperm. An examination of the changes in ANSI/AAMI/ISO 11135:2014, Cantel Medical to Acquire Sterility Assurance Products Division from NAMSA for USD 13.5m, Understanding validation for verification dose maximum sterilization: lower sterilization doses are now available with the VDmax method of validation and may be used as a viable alternative to providing assurance of sterility without using the large sample sizes required by other methods, Crosstex acquires NAMSA's sterility assurance products division: further expands sterility assurance portfolio and broadens market diversification, EFFECTS OF WA CYTOPLASM ON VARIOUS QUALITY CHARACTERISTICS OF RICE HYBRIDS, Cytological Studies of Anther Development of the Double Recessive Genetic Male Sterile Line, ms5ms6, of Upland Cotton (Gossypium hirsutum), Greater arousal in response to expansive female pubic hair is linked to more positive reactions to female sterility among heterosexual men, sternal branches of internal thoracic artery, Sterilising Research and Advisory Council of Australia. 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