Amniocentesis is a procedure whereby a sample of fluid is removed from the amniotic sac for analysis. The amniotic sac is in the uterine cavity. The amniotic sac is the fluid-filled structure inside a pregnant woman's uterus within which the baby lives. Fetal cells, proteins, and fetal urine freely move within this sac.mniocentesis is a procedure whereby a sample of fluid is removed from the amniotic sac for analysis. The amniotic sac is in the uterine cavity. The amniotic sac is the fluid-filled structure inside a pregnant woman's uterus within which the baby lives. Fetal cells, proteins, and fetal urine freely move within this sac.
1. a person or thing that qualifies. 2. a word, as an adverb or adjective, that qualifies or limits the meaning of another; modifier. [1555â65] modifier, qualifier - A word or phrase that limits or qualifies the sense of another is a modifier or qualifier.
ân. 1  anything said or done, on or off stage, that is followed by a specific line or action: An off-stage door slam was his cue to enter. 2  anything that excites to action; stimulus. 3  a hint; intimation; guiding suggestion.  the part a person is to play; a prescribed or necessary course of action.