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

• 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。
• 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
• 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
• 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。
• 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 digestive tracts were divided into cavum oris, esophagus, ventriculus, duodenum, jejunum, ileum, rectum and cloaca.
  结果表明：虎纹蛙消化道分为口咽腔、食道、胃、十二指肠、空肠、回肠、直肠和泄殖腔。
• 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。
• 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。
• The liquid excreted through the urethra or cloaca.
  通过尿道或泄殖腔排泄出的液体。
• 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。