© … Sterility can be defined as the freedom from the presence of viable microorganisms. Male sterility refers to condition in which either pollen is absent or non­functional in flowering plants. 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. Definition of sterility in the Definitions.net dictionary. 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. sterility – definedas the total absence of microorgan-isms – is not possible for the reason mentioned earlier and thus cannot be guaranteed. Viable - An organism that is able to survive in the environment it is born into.Quiz ... CallUrl('biologydictionary>netbrightstorm>comsparknotes>comkumc>eduhtml',0). 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 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. Study Force - Problem Solved is the leading provider of online homework help for college and high school students. Q. Sterile describes a … 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. 10-6 equ… 68-73, 30-60, 50, 35-60, 50, 10 The temperature of the sterilization area should be between __… See more. 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.) The test for sterility is carried out under aseptic conditions. and other biological agents like prions present in a specific surface, object or fluid, for example food or biological culture media. sterilitynoun[U](UNABLE TO PRODUCE) (in animalsand people) the conditionof being unableto produceyoung, or (in plants) the conditionof being unableto produceplantsor crops. Alternatively, the transgenes can be engineered into chloroplasts, which are inherited maternally only. CallUrl('newatlas>comcourse-notes>orgbiology-online>orgicoachmath>comhtml',0), Symptoms: tall stature (over 6'), may including ~TildeLink(), developmental delay, learning problems. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Biologics or biologic drugs are products made from living organisms or contain components of living organisms. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. See also related terms for inability. 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. https://medical-dictionary.thefreedictionary.com/sterility. Sterility can be defined as the freedom from the presence of viable microorganisms. Sterile definition, free from living germs or microorganisms; aseptic: sterile surgical instruments. sterility noun [U] (UNABLE TO PRODUCE) (in animals and people) the condition of being unable to produce young, or (in plants) the condition of being unable to produce plants or crops the state of … CallUrl('en>wikipedia>orgtalkorigins>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. In order to achieve such conditions, the test environment has to be adapted to … 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 Sterility is the physiological inability to effect sexual reproduction in a living thing, members of whose kind have been produced sexually. ADVERTISEMENTS: Everything you need to know about self-incompatibility and male sterility in plants ! Q. In theory, his idea was sound, but scientists long debated whether it actually happened in nature. sterility - the state of being unable to produce offspring; in a woman it is an inability to conceive; in a man it is an inability to impregnate infertility physical condition , physiological condition , physiological state - the condition or state of the body or bodily functions Nonviability of a … Except as provided in paragraph (h) of this section, manufacturers of biological products must perform sterility testing of each lot of each biological product's final container material or other material, as appropriate and as approved in the biologics license application or supplement for that product. Its deficiency may cause ~TildeLink(), spontaneous abortions and muscle dystrophy. Sterile definition is - failing to bear or incapable of producing fruit or spores. Science. phenotype of individuals heterozygotic for certain types of chromosome aberration; expressed as a reduced number of viable gametes and hence Nonviability of a proportion of gametes or zygotes. 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. The absence of viable contaminating microorganisms; aseptic state, asepsis. Hybrids are often unable to reproduce, whether because of ill health, deformity, or ~TildeLink(). ‘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 … Source for information on self-sterility: A Dictionary of Biology dictionary. Biological Indicators (BIs) are widely used to monitor the efficacy of sterilization processes. The inability of a plant with functional pollen to set seeds when self pollinated is called self incompatibility. 39. What is Sterility? 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. However, by making it recessive, it can pass to successive generations and only take effect when both parents are carrying it. In plants this is usually termed self-incompatibility (see incompatibility). Everything you always wanted to know. "Because temperature had been widely known to affect. Biologics treat many conditions, for example, cancers, rheumatoid arthritis, inflammatory bowel disease, MS, psoriasis, lupus, chronic migraine, and hepatitis B. © W. G. Hale, V. A. Saunders, J. P. Margham 2005 Want to thank TFD for its existence? (a) The test. Fertility and ~TildeLink(), 94(3), 795-825. doi: 10.1016/j.fertnstert.2009.03.079 ... CallUrl('learn>genetics>utah>edubio-medicine>orgbiology-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. CallUrl('www>like2do>comukessays>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. See more. inability to create offspring (children) as a result of a procedure—such as tubal ligation 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. CallUrl('www>biologyreference>comhtml',0), Bohler, Jr., H., Mokshagundam, S. & Winters, S.J. 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 ‘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 … genetic male sterility, cytoplasmic male sterility and cytoplasmic genie male sterility. 2010. Prezygotic mechanisms include habitat isolation, mating seasons, "mechanical" isolation, gamete isolation and behavioral isolation. 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. CallUrl('micro>magnet>fsu>eduhtml',0), Hybrid - The offspring of parents of two different species. Side effects of a biologics depend upon the specific biologic drug. Get homework help and answers to your toughest questions in biology, chemistry, physics, math, calculus, engineering, accounting, English, writing help, business, humanities, and more. In this case, and in general, only the male hybrids are sterile while the females are fertile (see Chapter 2). Male sterility is of three types, viz. The level of sterility defined by log reduction, i.e. ADVERTISEMENTS: Q. the inability of some HERMAPHRODITES to reproduce sexually, that is, to form a viable offspring by self-fertilization. CallUrl('opentextbc>cainformatics>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. Farlex Trivia Dictionary. What is what? hybrid sterility (noun) a situation in which a mating between two individuals creates a hybrid that is sterile Another possibility is breeding male ~TildeLink() in transgenic plants. 2. CallUrl('evolution>berkeley>edu html',0 ) ] sterile definition is - sterile to its own pollen sperm., X-chromosomal abnormalities are typically associated with mild mental and physical defects, as well as ~TildeLink ( ) article... 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