pineal apparatus
noun
a median outgrowth of the roof of the diencephalon in vertebrates that in some develops into the pineal eye and in others into the pineal gland.
Words nearby pineal apparatus
pine tar,
pine tree shilling,
pine tree state,
pine warbler,
pineal,
pineal apparatus,
pineal body,
pineal eye,
pineal gland,
pineal stalk,
pinealectomy