cloaca

英

美

n.  下水道，阴沟，泄殖腔

复数：cloacas　

医学

COCA.45064

英英释义

noun

• a waste pipe that carries away sewage or surface water
  Synonym:sewersewerage
• (zoology) the cavity (in birds, reptiles, amphibians, most fish, and monotremes but not mammals) at the end of the digestive tract into which the intestinal, genital, and urinary tracts open

双语例句

• The mucosal epithelium of rectum transforms into stratified squamous epithelium abruptly at the end of the rectum. The boundary line between rectum and cloaca was very distinct.
  直肠黏膜上皮在直肠末端突然转变为泄殖腔的复层扁平上皮，两者之间界线明显。
• The Location of Afferent Neurons of the Cloaca and it's Distribution of Afferent Fibers in the Spinal Cord of Chicken
  鸡泄殖腔传入神经元的定位及其传入纤维在脊髓内的分布
• Results None of AmpC β-lactamase activity was detected in the wild type of Serratia marcescans 、 Cloaca Enterobacter and hyper-inducible type Serratia marcescans.
  结果野生型黏质沙雷菌、阴沟杆菌及高诱导型黏质沙雷菌经头孢他啶筛选后未检测出AmpC酶活性。
• The digestive tracts were divided into cavum oris, esophagus, ventriculus, duodenum, jejunum, ileum, rectum and cloaca.
  结果表明：虎纹蛙消化道分为口咽腔、食道、胃、十二指肠、空肠、回肠、直肠和泄殖腔。
• The long, narrow duct that conveys urine from the kidney to the urinary bladder or cloaca.
  输尿管把尿液从肾脏中传输到膀胱或排泄腔的长而窄的导管。
• Ducks are regarded as the natural reservoir of influenza viruses, and previous studies indicated that the avian influenza viruses could replicate in the digestive tract of ducks and shed through cloaca without causing any disease signs in these animals.
  鸭一直被认为是禽流感病毒的自然宿主，以前的研究发现病毒感染鸭后主要在肠道复制并排泄，但并不引起鸭发病。
• At the foot/ head of the stairs Cloaca slightly elevated, bursa extended from opposite the anterior end of the spicules to about the three quarters the tail length;
  在楼梯的下端[上端]泄殖腔隆起，交合伞起始于交合刺前端水平处阳后延伸达尾长3／4；
• For the time being, the NDV detection of CIQ includes cloaca tampon separate virus, ELISA, HI and RT-PCR is trying now.
  目前我国出入境检疫中对新城疫病毒的检测方法主要有泻殖腔棉拭子样品病毒分离鉴定、HI和ELISA，RT-PCR检测技术正在试用之中。
• This characteristic was similar to that of Clostridium butyricum but quite different from Enterobacter cloaca with Coli-type hydrogen-producing pathway.
  这一性质与梭菌型产氢途径的丁酸梭菌表现出相似的规律，完全区别于阴沟肠杆菌铁依赖型的产氢机制。
• The breathing film was made up of endothelial and endothelial basement membrane. The seawater in respiratory trees through cloaca into center antrum and blood in haemocoel accomplished respiration via this gas-blood barrier.
  内皮层与内皮基膜构成呼吸树的呼吸膜，由泄殖腔进入呼吸树中央腔的海水和呼吸树血腔中的血液经此气-血屏障进行气体交换，完成呼吸作用。