名词
中文翻译：乳头状小囊
同义词：
['papillary vesicle', 'papillary sac', 'papillary projection']
例句：
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1. The cells of the skin are covered with papillary vesicles that can trap bacteria and viruses.
皮肤细胞覆盖着乳头状小囊，可以捕捉细菌和病毒。
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2.The ovaries contain many papillary vesicles that help in fertilization.
卵巢中有许多乳头状小囊，有助于受精。
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3. The pathologist examined the tissue under a microscope to identify any papillary vesicles or other abnormalities.
病理学家在显微镜下检查了组织，以识别任何乳头状小囊或其他异常。