Mx is a 2 letter English word.
You can make 6 anagrams from letters in MX (mx).
1975-80; M (as in Mr./Mrs./Ms.) + x (symbol for an unknown quantity, person, or thing)
Behind the mandibles a pair of simple processes has appeared, which forms the rudiment of the first pair of maxill (Mx).
It sends forward on each side a superior maxillary process (Mx) which partially forms the anterior margin of the mouth.
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