Term Name:	posterior arch of atlas
Synonyms:	arcus posterior, posterior arch
Definition:	In a cervical vertebra, the posterior arch forms about two-fifths of the circumference of the ring: it ends behind in the posterior tubercle, which is the rudiment of a spinous process and gives origin to the Recti capitis posteriores minores.
Ontology:	Uberon Ontology [UBERON:0008437]