Assertion: pancreas's cell | /r/HasProperty | arranged around small lumen
Facets:
Source sentences:
text: In the image of equine pancreas below, one fairly-good cross section through an acinus is circled; note the wedge-shapped cells arranged around a small lumen:
text: Each acinus is a cluster of secretory cells arranged around a small lumen (which is generally collapsed and therefore not visible in your sections).