part of part of has developmental contribution from ciliary muscle BTO:0000654 Bowman`s muscles EMAPA:35240 FMA:49151 MA:0001269 The ciliary muscle is a ring of smooth muscle in the middle layer of the eye that controls the eye's accommodation for viewing objects at varying distances and regulates the flow of aqueous humour through Schlemm's canal. [WP,unvetted]. UBERON:0001605 UMLS:C0559230 ciliaris musculus ciliaris musculus ciliarus uberon ciliary body neural crest smooth muscle of eye structure with developmental contribution from neural crest intra-ocular muscle