====== Superciliary arch (SCA) ====== {{http://www.3dneuroanatomy.com/wp-content/uploads/2014/12/orb17.jpg}} http://www.3dneuroanatomy.com/wp-content/uploads/2014/12/orb17.jpg The [[supraorbital ridge]] or brow ridge, known as superciliary arches in medicine, refers to a bony ridge located above the eye sockets of all primates. In Homo sapiens sapiens (modern humans) the eyebrows are located on their lower margin. see [[Superciliary approach]]