During pregnancy, the fetus is surrounded by amniotic fluid, a substance much like water. Amniotic fluid contains live fetal cells and other substances, such as alpha-fetoprotein (AFP). These substances provide important information about your baby's health before birth.uring pregnancy, the fetus is surrounded by amniotic fluid, a substance much like water. Amniotic fluid contains live fetal cells and other substances, such as alpha-fetoprotein (AFP). These substances provide important information about your baby's health before birth.
qualitative definition: The definition of qualitative refers to measurements of the characteristics of something, as opposed to measurements based on the quantity of something. (adjective) When you judge something based on how good or bad it is, rather tha...
Qualitative analysis is a part of chemistry that deals with figuring out the elements or ingredients of which a compound or mixture is made. An example of qualitative analysis is determining the ingredients of a certain salt solution. 1  YourDictionary definition and usage example. 2  the branch of chemistry dealing with the determination of the elements or ingredients of which a compound or mixture is composed. 3  The testing of a substance or mixture to determine its chemical constituents.