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
- Results: At 18th day of incubation, ureteric bud from cloaca grew into metanephrogenic tissue which produced many metanephrogenic vesicles.
结果：孵育第18天，从泄殖腔附近发出的输尿管芽向生后肾组织侵入生长，生后肾组织产生许多生后肾小泡。 - 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； - 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。 - 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。 - Distribution of neuropeptide Y and substance P in cloaca wall of Alligator sinensis
神经肽Y、P物质在扬子鳄泄殖腔壁内的分布 - 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。 - 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。 - 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 - 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。 - 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。