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单词 amniocentesis
释义

WordReference Random House Learner's Dictionary of American English © 2024
am•ni•o•cen•te•sis /ˌæmnioʊsɛnˈtisɪs/USA pronunciation   n. [countable], pl. -ses /-siz/USA pronunciation .
  1. the insertion of a hollow needle through the abdomen of a pregnant woman into the uterus for withdrawing a sample of fluid to determine the sex and genetic condition of the fetus.

WordReference Random House Unabridged Dictionary of American English © 2024
am•ni•o•cen•te•sis  (am′nē ō sen tēsis),USA pronunciation n., pl. -ses (-sēz).USA pronunciation 
  1. Medicinea surgical procedure for obtaining a sample of amniotic fluid from the amniotic sac in the uterus of a pregnant woman by inserting a hollow needle through the abdominal wall, used in diagnosing certain genetic defects or possible obstetric complications.
  • amnio- (as combining form of amnion) + centesis 1955–60

Collins Concise English Dictionary © HarperCollins Publishers::
amniocentesis /ˌæmnɪəʊsɛnˈtiːsɪs/ n ( pl -ses / -siːz/)
  1. removal of some amniotic fluid by the insertion into the womb of a hollow needle, for therapeutic or diagnostic purposes
Etymology: 20th Century: from amnion + centesis, from Greek kentēsis a puncture, from kentein to prick
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