callosum

1 definition found

callosum - Collaborative International Dictionary of English v.0.48 :

  Callosum \Cal*lo"sum\, n. [NL., fr. callosus callous, hard.]
     (Anat.)
     The great band commissural fibers which unites the two
     cerebral hemispheres. See corpus callosum, under Carpus.
     [1913 Webster]