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A teratogen is an environmental factor that causes birth defects during prenatal development. An example of a teratogen is ionizing radiation.

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If prenatal exposure to a substance leads to birth defects the substance is called a?

teratogen


Is epilepsy a teratogen?

No.


What terms describe the level at which a certain teratogen becomes harmful?

The level at which a teratogen becomes harmful is referred to as the teratogenic threshold. This threshold varies depending on the type of teratogen and the stage of development of the organism. Factors such as duration of exposure and genetic susceptibility can also influence the level at which a teratogen becomes harmful.


What is a teratogen?

Teratogens are anything potentially harmful to a developing fetus. These include but are not limited to: nicotine, alcohol, drugs, radiation, AIDS, rubella, etc. These cause structural abnormalities and abnormal cell masses to develop in the fetus which can lead to serious birth defects. Some examples of these are * physical and cognitive developmental delays * cleft palate * abnormal facial characteristics * mental retardation * growth defects * heart defects * abnormalities of the fingers and nails * impaired fine and gross motor skills * hearing loss * vision loss/blindness * deformed and paralyzed limbs * small head size and brain


Which is an example of radiation?

An example of radiation is sunlight. Sunlight is a form of electromagnetic radiation that travels from the sun to Earth.


Give an example of infrared radiation and uv radiation?

An example of infrared radiation is the heat emitted by a fire pit. An example of UV radiation is the light produced by the sun that can cause skin damage.


A factor that produces a birth defect is called a?

teratogen


What teratogen causes severe limb deficiencies?

Thalidomide.


What is the most common teratogen?

Testosterone


An example of a man made source of radiation is?

diagnostic radiation


When does a teratogen affects the fetus most seriously?

in the first trimester


Is NOT an example of convection?

Radiation