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 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。
• 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。
• Nocens invaded posterior jejunum, ileum, ceca, rectum and cloaca. Developmental stages were localized within the epithelial cells of villi and crypts and in lamina propria.
  nocens寄生于空肠后部、回肠、盲肠、直肠和泄殖腔的绒毛和肠腺上皮细胞及固有膜中。
• 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 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
• 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；
• Objective: To observe the distribution of nerves containing neuropeptide Y ( NPY) and substance P ( SP) in cloaca wall of Alligator sinensis.
  目的：观察含神经肽Y（NPY）、P物质（SP）神经在扬子鳄泄殖腔壁内的分布情况。
• NDV could be detected by RT-PCR in the tracheas of the artificially infected chicken next day, then in the cloaca, spleen and kidney.
  利用RT-PCR对NDV人工感染鸡最早可于攻毒后第2天从病鸡气管中检测到NDV，其次为泄殖腔和脾、肾。
• 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。
• Observation on a human foetus with congenital absence of external genitalia, persistent primitive cloaca and bilateral renal agenesis
  先天性无外阴、原始泄殖腔保留与双侧肾未发育胎儿的观察