arachnoid
noun [ C ] anatomy specialized uk/əˈræk.nɔɪd/ us/əˈræk.nɔɪd/
蛛网膜
the delicate covering of the brain or spinal cord
Symptoms associated with an arachnoid cyst can include headaches, nausea, seizures, and visual disturbances. 蛛网膜囊肿的症状包括头痛、呕心、癫痫以及视力障碍。