lumbar puncture

noun

🔊/ˈlʌmbə pʌŋktʃə(r)/

🔊/ˈlʌmbər pʌŋktʃər/

[countable, uncountable]

(North American English also spinal tap [countable])

(medical医学)

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a medical procedure in which liquid is removed from the lower part of the spine with a hollow needle, usually in order to diagnose a medical problem (= identify what it is)腰椎穿刺