noun which may take the genitive case particle 'no', noun
sac-like; saccular
Technical term used in anatomy, biology, and medicine to describe a structure resembling a sac or pouch. Often appears in compound terms like 嚢状動脈瘤 (saccular aneurysm).
This sac-like structure is filled with fluid.
A saccular aneurysm is a condition where part of a blood vessel bulges like a sac.
ascidium; pitcher (of a pitcher plant)
Compound of 嚢 (のう, 'sac, cyst') and 状 (じょう, 'shape, form'). The kanji 嚢 is a phono-semantic compound, but the exact historical derivation is uncertain; the term is a modern technical coinage.