transitional gyrus

tran·si·tion·al gy·rus

a small convolution connecting two lobes or two main gyri in the depth of a sulcus. Synonym(s): annectent gyrus, transitional convolution

tran·si·tion·al gy·rus

(tran-zish'ŭn-ăl jī'rŭs) A small convolution connecting two lobes or two main gyri in the depth of a sulcus.