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- The excretory organ of a vertebrate embryo from which the kidney develops. 原肾脊椎动物胚胎的排泄器官，肾由此发展而来
- The gonads open near the base of the abdomen and the excretory organs are usually Malpighian tubules. 生殖腺开口于近腹部基部，排泄器官通常为马氏管。
- the excretory organ of a vertebrate embryo from which the kidney develops 原肾脊椎动物胚胎的排泄器官，肾由此发展而来
- The gonads open near the base of the abdomen and the excretory organs are usually Malpighian tubules 生殖腺开口于近腹部基部，排泄器官通常为马氏管。
- An excretory organ of certain invertebrates. 某些无脊椎动物的排泄器官
- the excretory organs 排泄器官
- Some species of water bears actually have rudimentary excretory organs. 实际上，水熊的某些种类在未发育完成时已经有排泄器官了。
- The excretory opening of the digestive tract in animals such as birds, reptiles, amphibians, and fish. 肛门鸟、爬行动物、两栖动物以及鱼等动物的消化道的排泄口
- Describe the excretory system of the genus Nereis briefly. 请简述沙蚕属的排泄系统。
- A tubular excretory organ in many invertebrates, such as mollusks and earthworms. 肾管许多脊椎动物，比如软体动物和蚯蚓的管状排泄器官
- Between the ectoderm and endoderm is mesoderm, which forms the muscles, reproductive organs, blood vessels and excretory organs. 在外胚层和内胚层之间是中胚层,它形成肌肉、生殖腺、血管和排泄器官。
- In birds,reptiles,and mammals it replaces the mesonephros as the functional excretory organ and develops into the adult kidney. 在鸟类、爬行动物和哺乳动物中它代替中肾起排泄器官的作用，并最终发育成肾。
- The development of the kidney, the major excretory organ after birth, consists of 3 stages: the pronephros, mesonephros and metanephros. 摘要肾脏是人体主要的排泄器官，它的发育经过原肾、中肾、后肾3个阶段。
- Discharge of waste materials from the excretory passages of the body,especially from the bowels. 排泄从人体通道排出废物，尤指从肠部
- The chief site of excretion (especially the filter role) is coelomosac and its podocytes,and the osmoregulatory site in excretory organs is the canal portion. 2．排泄尤其是最主要的过滤功能的主要生理功能部位为体腔囊及其足细胞，而排泄器官中渗透压调节的主要功能活动部位是管状部。
- Discharge of waste materials from the excretory passages of the body, especially from the bowels. 排泄从人体通道排出废物，尤指从肠部
- Filling the liquid into a little white rat s stomach can greatly increase the excretory amount of phenol re... 给豚鼠离体气管滴入提取液,对气管有非常显著的扩张效应;
- In birds, reptiles, and mammals it replaces the mesonephros as the functional excretory organ and develops into the adult kidney. 后肾脊椎动物胚胎发育中的第三个也是最后一个排泄器官。在 鸟 类、爬行动物和哺乳动物中它代替中肾起排泄器官的作用，并最终发育成肾The third and final excretory organ that develops in a vertebrate embryo.
- Fluoride is a widely distributed nephrotoxin with exposure potentially resulting from environmental fluorine excess.Kidney is the main excretory organ of fluorine. 肾脏是氟的主要排泄器官，当机体摄入过量氟超过肾的排泄能力时，肾组织细胞就会因处于高氟环境而受到损害。
- Coronal reformatted contrast-enhanced CT scan obtained during the excretory phase shows tumor involvement of the renal sinus and the extent of the renal cell carcinoma (arrows). 多房性囊性肾瘤，是良性的，多房状，囊性的肿瘤，起源于肾实质。好发于两个年龄阶段，少年男性，中年女性。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
