| 单词 | 泄殖腔 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔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〔cloaca〕The common cavity into which the intestinal, genital, and urinary tracts open in vertebrates such as fish, reptiles, birds, and some primitive mammals.泄殖腔：脊椎动物（如鱼、爬行动物、鸟和某些低级哺乳动物）的肠道、生殖道和泌尿道口通往的共用体腔美国传统〔cloaca〕The posterior part of the intestinal tract in various invertebrates.泄殖腔：各种无脊椎动物内肠道的后部分美国传统〔crissum〕The feathers or area under the tail of a bird surrounding the cloacal opening.肛周：鸟类尾下泄殖腔开口周围的羽毛或部位美国传统 |
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