temporal gyrus
nounMedical Definition of temporal gyrus
: any of three major convolutions of the external surface of the temporal lobe of a cerebral hemisphere that are arranged approximately horizontally with one above the other:
a
: the one that is uppermost and borders the sylvian fissure
— called also superior temporal gyrus
b
: one lying in the middle between the other two
— called also middle temporal gyrus
c
: the lowest of the three
— called also inferior temporal gyrus