
arachnoid
词源
源自希腊语 'arachnē'(蜘蛛)和 '-oid'(类似),因其结构类似蜘蛛网而得名。
noun
❶ 蛛网膜,指覆盖大脑和脊髓的三层脑膜中的中间层,因其网状结构类似蜘蛛网而得名。
“The arachnoid is one of the three meninges that protect the brain and spinal cord.”
(蛛网膜是保护大脑和脊髓的三层脑膜之一。)
“A tear in the arachnoid can lead to cerebrospinal fluid leakage.”
(蛛网膜撕裂可能导致脑脊液泄漏。)
❶ 蛛形纲动物,指属于蛛形纲的生物,如蜘蛛、蝎子等。
“Spiders and scorpions are both classified as arachnoids.”
(蜘蛛和蝎子都属于蛛形纲动物。)
“Arachnoids have eight legs and two main body segments.”
(蛛形纲动物有八条腿和两个主要身体部分。)
adjective
❶ 蛛网状的,形容类似蜘蛛网的结构或外观。
“The arachnoid trabeculae form a delicate network within the subarachnoid space.”
(蛛网膜小梁在蛛网膜下腔形成精细的网络结构。)
“The artist created an arachnoid pattern on the sculpture.”
(艺术家在雕塑上创作了蛛网状的图案。)
常见短语
arachnoid membrane — 蛛网膜,特指覆盖中枢神经系统的薄膜,具有保护和缓冲作用。
“The arachnoid membrane helps cushion the brain from impacts.”
(蛛网膜有助于缓冲大脑免受冲击。)
arachnoid granulations — 蛛网膜颗粒,指蛛网膜突入硬脑膜窦的结构,参与脑脊液的吸收。
“Arachnoid granulations allow cerebrospinal fluid to re-enter the bloodstream.”
(蛛网膜颗粒使脑脊液能够重新进入血流。)