pineal
pineal[ˈpɪnɪəl, ˈpʌɪ-](亦作 pineal gland, pineal body)noun- a pea-sized conical mass of tissue behind the third ventricle of the brain, secreting a hormone-like substance in some mammals
(脑的)松果体
语源- late 17th cent.: from French pinéal, from Latin pinea 'pine cone'. The anatomical term refers to the shape of the gland
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