cloaca
英
美
n. 下水道，阴沟，泄殖腔
复数：cloacas
COCA.45064
英英释义
noun
- a waste pipe that carries away sewage or surface water
- (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。 - 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。 - 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。 - 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。 - 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。 - 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 - 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。 - Objective To study the application of total urogenital mobilization in the repair of cloaca.
目的探讨应用泄殖腔整体游离术治疗低位一穴肛。 - 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 liquid excreted through the urethra or cloaca.
通过尿道或泄殖腔排泄出的液体。