Electron micrograph showing a glycogen-rich interstitial (PIG) cell beneath the alveolar epithelium. The PIG cell contains abundant β-particle glycogen and lacks an independent basal lamina, supporting a developmentally immature mesenchymal phenotype.
Pulmonary Interstitial Glycogenosis as a Developmental Marker of BHD‐Associated Lung Cysts: Diagnostic and Pathogenetic Implications — 科研速览 Science Skim