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单词 decidua
释义

Definition of decidua in English:

decidua

noun dɪˈsɪdjʊədəˈsɪdʒəwə
mass nounPhysiology
  • The thick layer of modified mucous membrane which lines the uterus during pregnancy and is shed with the afterbirth.

    Example sentencesExamples
    • One mechanism by which microorganisms might cause preterm labor is through ascension from the cervical/vaginal area and replication in the placenta, decidua and membranes.
    • Ectopic decidua was found in 3% of the specimens and could be seen in both subserosal and plical areas, and was found only in postpartum patients.
    • The tissue is sent to the laboratory where the fetal villi are dissected from the maternal decidua and either processed directly or cultured for chromosomal, DNA or biochemical analysis.
    • Extreme care is used in inspecting the placenta and membranes in an effort to insure complete expression of the entire decidua.
    • There were large amounts of polarizable foreign body material contained within the membranes and maternal decidua, without associated inflammation or tissue reaction.

Derivatives

  • decidual

  • adjective dɪˈsɪdjʊəldəˈsɪdʒuəl
    Physiology
    • The thickened, hormonally charged decidual tissue is a fertile implantation site for the enlarging placenta and also acts as a barrier between the placental tissue and uterine muscle.
      Example sentencesExamples
      • The pathophysiologic events that trigger preterm birth are largely unknown but may include decidual hemorrhage, uterine overdistension, and hormonal changes possibly mediated by fetal or maternal stress.
      • Microscopically, in deciduosis, the sheets of decidual cells are present within the connective tissue and do not usually affect its surface, as in the case of mesothelioma.
      • Separate fragments of secretory endometrium with decidual stromal reaction and inactive glands were also seen.
      • An endometrial biopsy performed 3 months prior to the current presentation showed ‘fetal part’ without decidual or chorionic villi.

Origin

Late 18th century: from modern Latin decidua (membrana), literally 'falling off (membrane)'.

 
 

Definition of decidua in US English:

decidua

noundəˈsijəwədəˈsɪdʒəwə
Physiology
  • The thick layer of modified mucous membrane which lines the uterus during pregnancy and is shed with the afterbirth.

    Example sentencesExamples
    • There were large amounts of polarizable foreign body material contained within the membranes and maternal decidua, without associated inflammation or tissue reaction.
    • Ectopic decidua was found in 3% of the specimens and could be seen in both subserosal and plical areas, and was found only in postpartum patients.
    • The tissue is sent to the laboratory where the fetal villi are dissected from the maternal decidua and either processed directly or cultured for chromosomal, DNA or biochemical analysis.
    • Extreme care is used in inspecting the placenta and membranes in an effort to insure complete expression of the entire decidua.
    • One mechanism by which microorganisms might cause preterm labor is through ascension from the cervical/vaginal area and replication in the placenta, decidua and membranes.

Origin

Late 18th century: from modern Latin decidua (membrana), literally ‘falling off (membrane)’.

 
 
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更新时间:2024/12/23 19:24:02