Assertion: bony labyrinth's part | /r/HasProperty | difficult
Facets:
value: in mammals
type: OTHER
value: to quantify using bony morphology
type: CAUSE
Source sentences:
text: In mammals, the utricular part of the endolymph circuit is difficult to quantify accurately using bony morphology and we do not landmark the variably shaped vestibular surface to connect the apertures of each canal.