Definition of callosomarginal in English:

callosomarginal

adjective

Anatomy Zoology
  • Originally: designating the cingulate sulcus, which lies between the cingulate gyrus and the superior frontal gyrus on the medial surface of the brain. In later use also: of or relating to this sulcus; specifically designating a large branch of the anterior cerebral artery which follows the course of this sulcus.

Origin

Mid 19th century; earliest use found in Thomas Huxley (1825–1895), biologist and science educationist. From callos- + -o- + marginal.

Pronunciation

callosomarginal

/kəˌləʊsəʊˈmɑːdʒ(ə)nl//kəˌləʊsəʊˈmɑːdʒɪnl/