| 单词 | 胸腺 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔base〕One of the purines (adenine and guanine) or pyrimidines (cystosine, thymine, and uracil) that occurs attached to the sugar component of DNA or RNA.碱基：嘌呤（腺嘌呤和鸟嘌呤）或嘧啶（胸嘧啶、胸腺嘧啶和尿嘧啶）的一种，附着在脱氧核糖核酸或核糖核酸的糖分子上美国传统〔bursa of Fabricius〕A thymuslike lymphoid gland in birds that is an outgrowth of the cloaca and the site of B cell maturation.盲腺囊：鸟体内类似胸腺的粘液腺，是泄殖腔和成熟的囊依赖细胞外的生成物美国传统〔dTTP〕One of the two pyrimidine nucleotides that are used to synthesize DNA.脱氧胸腺嘧啶三磷酸：用来合成脱氧核糖核酸的两个嘧啶核苷酸之一美国传统〔prothoracic gland〕Either of a pair of endocrine glands located in the prothorax of certain insects and regulating molting.前胸腺：位于某些昆虫前胸的控制蜕皮的一对内分泌腺中的任一个美国传统〔pyrimidine〕Any of several basic compounds derived from or structurally related to pyrimidine, especially the nucleic acid constituents uracil, cytosine, and thymine.嘧啶类：由嘧啶衍生出来或在结构上与嘧啶有关的一种基本混合物尤指核酸组成的尿嘧啶，胞嘧啶和胸腺嘧啶美国传统〔sweetbread〕The thymus gland or pancreas of a young animal, especially a calf or lamb, used for food.胰脏，杂碎：尤指小牛或羊羔等小动物的胸腺或胰腺，用作食物美国传统〔thymectomy〕Surgical removal of the thymus.切除胸腺的外科手术美国传统〔thymocyte〕A lymphocyte that derives from the thymus and is the precursor of a T cell.胸腺细胞：一种由胸腺繁殖而成的淋巴细胞，是T细胞的前身美国传统〔thymoma〕A usually benign tumor of the thymus, composed of epithelial and lymphoid cells.胸腺瘤：一种由上皮细胞和淋巴细胞构成的通常为良性的胸腺肿瘤美国传统〔thymosin〕A hormone secreted by the thymus that stimulates development of T cells.胸腺素：胸腺分泌的一种可刺激T细胞发育的激素美国传统 |
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