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单词	epithelium
释义	epithelium noun ep·​i·​the·​li·​um ˌe-pə-ˈthē-lē-əm  plural epithelia ˌe-pə-ˈthē-lē-ə  1 : a membranous cellular tissue that covers a free surface or lines a tube or cavity of an animal body and serves especially to enclose and protect the other parts of the body, to produce secretions and excretions, and to function in assimilation 2 : a usually thin layer of parenchyma that lines a cavity or tube of a plant Example Sentences Recent Examples on the Web The disease damages a layer of neurons called the retinal pigment epithelium, which is crucial to the survival of the photoreceptors. Ron Winslow, WSJ, 4 Sep. 2022 At the very top of the nasal cavity, up between the eyes, sits mucosal tissue known as the olfactory epithelium. Genevieve Fullan, Longreads, 12 Apr. 2022 At the very top of the nasal cavity, up between the eyes, sits mucosal tissue known as the olfactory epithelium. Genevieve Fullan, Longreads, 12 Apr. 2022 At the very top of the nasal cavity, up between the eyes, sits mucosal tissue known as the olfactory epithelium. Genevieve Fullan, Longreads, 12 Apr. 2022 At the very top of the nasal cavity, up between the eyes, sits mucosal tissue known as the olfactory epithelium. Genevieve Fullan, Longreads, 12 Apr. 2022 At the very top of the nasal cavity, up between the eyes, sits mucosal tissue known as the olfactory epithelium. Genevieve Fullan, Longreads, 12 Apr. 2022 In ulcerative colitis, the barriers provided by mucus and the epithelium are dysfunctional. Jill Seladi-schulman, SELF, 15 Feb. 2022 The scientific name for this layer of cells is the epithelium. Jill Seladi-schulman, SELF, 15 Feb. 2022 See More Word History Etymology New Latin, from epi- + Greek thēlē nipple — more at feminine First Known Use 1748, in the meaning defined at sense 1 Medical Definition epithelium noun ep·​i·​the·​li·​um ˌep-ə-ˈthē-lē-əm  plural epithelia -lē-ə  : a membranous cellular tissue that covers a free surface or lines a tube or cavity of an animal body and serves especially to enclose and protect the other parts of the body, to produce secretions and excretions, and to function in assimilation
随便看	draggiest dragging dragging (out) dragging beam dragging down dragging into dragging one's feet dragging out dragging piece dragging step dragging tie dragginglier draggingliest draggingly draggle draggle-tail draggled meatball meatballs meatbird meatcutter meated Meath meathead meatheads

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