temporal gyrus

noun

Medical 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

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