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.
Full Definition of CRITERION. 1. : a standard on which a judgment or decision may be based. 2. : a characterizing mark or trait. See criterion defined for English-language learners. See criterion defined for kids.earn More About CRITERION. Thesaurus: All synonyms and antonyms for criterion. Spanish Central: Spanish translation of criterion. Nglish: Translation of criterion for Spanish speakers. Britannica English: Translation of criterion for Arabic speakers.