Assertion: brainstem's structure | /r/HasProperty | visible
Facets:
value: in b
type: LOCATION
Source sentences:
text: The following structures are visible in B, from anterior to posterior: the frontal horns curved around the head of each caudate nucleus; the interventricular foramina, barely visible between the fronal horns and the third ventricle, which appears as a median slit; a calcified pineal gland, seen as a white dot immediately posterior to the third ventricle; and a transverse, crescentic area behind this, which is the subarachnoid space behind the tectum of the midbrain.