M3E1S1E1N1C3E1P3H4A1L1O1N1
22 points
MESENCEPHALON is validvalid
a part of the brain [n MESENCEPHALA, MESENCEPHALONS]
the middle section of the embryonic brain [n MESENCEPHALA or MESENCEPHALONS]
a part of the brain [n MESENCEPHALA, MESENCEPHALONS]
the middle section of the embryonic brain [n MESENCEPHALA or MESENCEPHALONS]