title: Comparative ultrastructural studies on three thymic lesions.
mesh_terms: D000324:Adrenocorticotropic Hormone / Q000032:analysis; D000328:Adult; D002648:Child; D003594:Cytoplasmic Granules; D004848:Epithelium / Q000473:pathology; D005260:Female; D006729:Hormones, Ectopic / Q000032:analysis; D006801:Humans; D008214:Lymphocytes; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D009157:Myasthenia Gravis / Q000150:complications / Q000473:pathology*; D013945:Thymoma / Q000378:metabolism / Q000473:pathology*; D013950:Thymus Gland / Q000473:pathology*; D013952:Thymus Hyperplasia / Q000473:pathology*; D013953:Thymus Neoplasms / Q000378:metabolism / Q000473:pathology*
chemical_list: D006729:Hormones, Ectopic; D000324:Adrenocorticotropic Hormone