Term Name:	left branch of atrioventricular bundle
Synonyms:	crus sinistrum (fasciculi atrioventricularis), crus sinistrum fasciculi atrioventricularis, left bundle branch, left bundle branch of bundle of His, left bundle of atrioventricular bundle, left crus of atrioventricular bundle, left posterior branch, left posterior bundle
Definition:	The left branch of the atrioventricular bundle that separates at the bundle of His, descends the septal wall of the left ventricle and connects to the terminal Purkinje fiber[MP].
Ontology:	Cell Ontology [UBERON:0005986]