[{"Bold_text": "noun", "List Items": ["a case or receptacle.", "Botany, Mycology.a sac, cell, or capsule.a sporangium.", "a sac, cell, or capsule.", "a sporangium.", "Anatomy, Zoology.a case or sheath enclosing an organ, structure, etc., as the horny covering of an insect pupa or the loose membrane covering the spinal cord."]}]