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
- 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。 - 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。 - The liquid excreted through the urethra or cloaca.
通过尿道或泄殖腔排泄出的液体。 - 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。 - 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 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。 - IBD is the unique structure of birds at the top after the cloaca, the wall full of lymphoid tissue.
法氏囊是鸟类特有的结构，位于泄殖腔后上方，囊壁充满淋巴组织。 - 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。