duct是什么意思 duct在线中文翻译

duct 英 [dʌkt] 美 [dʌkt]

duct 词典解释

1. 导管
   ...泡状或管泡状.泡状和管泡状的分泌部常称腺泡(acinus).分泌部一般由一层细胞组成,中央有腔.根据分泌部的形状,腺可分为管状腺(tubular gland ),泡状腺(acinar gland )和管泡状腺(tubuloacinar gland)(图2-27).2,导管(duct)导管与分汔部直接通连,...
2. 管道
   ...在张拉,固定 PS 钢束之前计算截面面积,抗弯刚度等截面特征值时使用的是从总截面(Gross Cross Section) 减去管道 (Duct)截面的净截面(Net Cross Section),...
3. 管,导管
   ...根据分泌部的形状,腺可分为管状腺(tubular)、泡状腺(acinar gland)和管泡状腺(tubuloacinar gland)(图2-18)2.导管 导管(duct)与分泌部直接通连,由单层或复层上皮构成....
4. 管
   ...因为通常是将分泌物引至体表和体内的管腔中,所以附有排出管--导管(duct). 这样的腺体称外分泌腺. 另外,没有导管,而将分泌物放到血管中的分泌细胞群,也同样是腺...淋巴细胞在对抗原和促细胞分裂剂(mitogen)进行反应而增殖分化中,...

1. an enclosed conduit for a fluid
2. a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
   e.g. the tear duct was obstructed
   e.g. the alimentary canal
   e.g. poison is released through a channel in the snake's fangs
   Synonym: epithelial duct canal channel
3. a continuous tube formed by a row of elongated cells lacking intervening end walls

duct [dʌkt]