The Preorbital Gland
This gland has been debated on its functions for some time now. Research indicates that the scent released from this gland is used for communication when a deer rubs its face against brush or trees. Others remark that it used for visual communication purposes between all deer but has particularly been noted between nursing mothers and fawns and also to dictate social order between dominant deer of the herd. The Preorbital has also been referred to as the "tear duct" gland, possibly for its relevance according to location, but studies reveal this gland "does not" produce tears.
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