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
- 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 - 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。 - 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 - 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 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 - 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。 - In the transverse plane, entering the S_3& S_8spi hal cord, the labeled central processes of primary afferent neurons of the cloaca first appeared in the dorsolateral tract, and then divided into medial and lateral parts.
脊髓横断面观，被标记的初级传入神经元中枢突呈束状经背根外侧部进入S3&S8髓节的背外侧束，而后分成内外两部。 - 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。 - 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。