pi·ne·al /ˈpaɪniəl, paɪˈ/
(a.)松球狀的,松果腺的
pi·ne·al /ˈpaɪnɪəl, paɪˈ/ 形容詞
松果體的,松果狀的
Pi·ne·al a. Of or pertaining to a pine cone; resembling a pine cone.
Pineal gland Anat., a glandlike body in the roof of the third ventricle of the vertebrate brain; -- called also pineal body, epiphysis, conarium. In some animals it is connected with a rudimentary eye, the so-called pineal eye, and in other animals it is supposed to be the remnant of a dorsal median eye.
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pineal
adj 1: relating to the pineal body; "pineal hormone"
2: having the form of a pine cone