plural of ansa

(astronomy) The most protruding part of planetary rings as seen from a distance, perceived to project like handles on either side of the disc of the planet. / (anatomy) A loop-shaped structure.

(organic chemistry) Any cyclophane in which the para positions of a benzene ring are connected by a bridge of at least 10 atoms.

plural of ansa compound

(neuroanatomy) A nerve loop from the upper cervical nerves that accompanies the hypoglossal nerve and innervates the infrahyoid muscles.