teratogens definition
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- Medical Definition of Teratogen. Teratogen: Any agent that can disturb the development of an embryo or fetus. Teratogens may cause a birth defect in the child. Or a teratogen may halt the pregnancy outright. The classes of teratogens include radiation, maternal infections, chemicals, and drugs.
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- Definition. Malignant teratoma is a type of cancer made of cysts that contain one or more of the three layers of cells found in a developing baby (embryo). These layers are called ectoderms, mesoderms, and endoderms.
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What is a Teratoma? The word “teratoma” literally means “monstrous tumor” in Greek, a reference to the jumbled mass of tissue types which is common to these tumors. They can contain skin, hair, bone, and cells like those found in various organs and glands. In some cases, structures such as eyes and extremities have developed.
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Top 40 Doctor insights on: What Is Teratoma And What Causes It Germ cell tumor: Teratoma is a: type of germ cell tumor that may contain several different types of tissue and sometimes mature elements such as hair, muscle, and bone. Teratomas occur most often in the ovary, testis, and in the sacrococcygeal region. They may be benign or malignant. ...Read more.
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Teratogens - Risky Pregnancy Exposures Like Drinking and Smoking A teratogen is any agent that causes abnormalities when a developing baby is exposed to it during the mother's pregnancy. These environmental exposures can cause birth defects and other problems. 1  Teratogens are can have effects that range from mild to severe, and they are often most dangerous during early pregnancy and with excessive or prolonged exposure. There are several factors that influence the severity of the effect:
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What are Terpenes? You may have heard of terpenes or terpenoids, the chemical that gives cannabis its different types of scents. Terpenes are organic hydrocarbons found in the essential oils of plants. With the rise of the legal cannabis industry, the discussion around terpenes has recently heated up.
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- teratoma. n, pl-mata (-mətə) or-mas. 1. (Pathology) a tumour or group of tumours composed of tissue foreign to the site of growth. (ˌtɛr əˈtoʊ mə). n., pl.
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Medical Wiki â Medical Jobs, Careers And Information Teratoma: Symptoms and Treatment. A Teratoma is a germ cell tumor derived from pleuripotential cells and they are made up of elements of different kinds of tissue of any or more than one of the three germ cell layers. The tissues may be normal themselves but are different from surrounding tissues and are disparate.
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- Behavioral teratogens---teratogens that tend to harm the prenatal brain, affecting the future childs intellectual and emotional functioning. Timing---the effect of a teratogen on the developing organism depends on what period in the pregnancy (in development) the child is exposed to the teratogen.
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8 Principles of Teratogens The organism is most vulnerable to teratogens during the embryonic period - ex: the most vulnerable period for the heart is between 20 and 40 days after conception
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Terabyte Definition Terabyte Definition. A terabyte, abbreviated as TB or T, is a unit of information that is equal to approximately one trillion bytes or exactly 2 to the 40th power (i.e., 1,099,511,627,776) bytes.
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- teratoma. [ter′ətō′mə] pl. teratomas, teratomata. a tumor composed of different kinds of tissue, none of which normally occurs together or at the site of the tumor. Teratomas are most common in the ovaries or testes.
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Teratogens In other words, if something is in the mother's blood, it can now cross over to the developing fetus. Teratogens are thought to have the ability to effect the fetus about 10 to14 days after conception. During the development of a baby, there are certain organs forming at certain times.
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teratology Toxic chemicals used in agriculture are tested as well. Teratology is also of importance in the biology of development, since knowledge of the deviations caused by teratogens or mutant genes is a means of discovering the motivating forces and controlling mechanisms of normal embryonic development in animals and man.
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teratoid teratoid /ter'otoid/ [Gk, teras + eidos, form], pertaining to malformed physical development; grossly misplaced, misshapen parts. teratoid tumor. See dermoid cyst. teratologic, teratological, pertaining to abnormalities of the ... Definition of the adjective teratoid. 2  Definition of the noun teratoid. 3  Printed dictionaries and other books with definitions for teratoid. 4  Online dictionaries and encyclopedias with entries for teratoid.
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Triglyceride Triglyceride. Definition. noun, plural: triglycerides. An energy-rich compound made up of a single molecule of glycerol and three molecules of fatty acid, and serves as a major component of animal and plant oils and fats. Supplement. Triglycerides are present in both plants and animals.
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Toxins and Pregnancy Substances that can cause birth defects are called teratogens.. Exposure to them does not automatically put your fetus at risk. The level and length of time of exposure, as well as the stage of the pregnancy at time of exposure, can come into play.ubstances that can cause birth defects are called teratogens.. Exposure to them does not automatically put your fetus at risk. The level and length of time of exposure, as well as the stage of the pregnancy at time of exposure, can come into play.
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8 Principles of Teratogens Different teratogens influence different developmental processes - ex: Rubella or German measles in mother affect mainly the fetus's heart, brain, and eyes. The drug thalidomide causes malformation of the limbs
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- terpenoids introduction Terpenoids (or isoprenoids), a subclass of the prenyllipids (terpenes, prenylquinones, and sterols), represent the oldest group of small molecular products synthesized by plants and are probably the most widespread group of natural products.
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Definitions &Translations (Science: chemical) a nucleoside that substitutes for thymidine in dna and thus acts as an antimetabolite. It causes breaks in chromosomes and has been proposed as an antiviral and antineoplastic agent. It has been given orphan drug status for use in the treatment of primary brain tumours.
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Teratogens and Complications during Pregnancy and Birth Transcript of Teratogens and Complications during Pregnancy and Birth. Teratogens are thought to have the ability to effect the fetus about 10 to14 days after conception. Once the fertilized egg is connected to the uterus, a common blood supply exists between the mother and the embryo.
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- Malignant teratoma is a type of cancer made of cysts that contain one or more of the three layers of cells found in a developing baby (embryo). These layers are called ectoderms, mesoderms, and endoderms. Malignant teratoma is one type of germ cell tumor.
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- Albuterol -- Teratogenic Agent: Rare Types. Rare types of medical conditions and diseases in related medical categories: Women's Reproductive Health -- rare types of diseases: Overactive Bladder Syndrome -- Rare Types. PCOS -- Rare Types. Chlamydia -- Rare Types.
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teratoma teratoma. a type of germ cell tumor made up of a number of different types of tissue from one or more of the germ cell layers; it is usually found in the ovary or testis and may be either benign or malignant.eratoma. a type of germ cell tumor made up of a number of different types of tissue from one or more of the germ cell layers; it is usually found in the ovary or testis and may be either benign or malignant.
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Pregnancy and Teratogens Teratogens are drugs, chemicals, or even infections that can cause abnormal fetal development. There are billions of potential teratogens but only a few agents are proven to have teratogenic effects. The majority of agents with which we come in contact are not proven teratogens.
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Teratogens - Risky Pregnancy Exposures Like Drinking and Smoking Alcohol is one of the most concerning teratogens. It quickly passes from your blood to your baby's blood through the placenta and umbilical cord. Your fetus has the same blood alcohol level that you do if you drink, but it doesn't have the same ability to break down the alcohol.