title: Comparative examination of keratinization in Hassal's corpuscles of entodermal origin and in oesophagus epithelium on guinea pigs. II. Polarization and electron microscopic studies.
mesh_terms: D000818:Animals; D004848:Epithelium / Q000033:anatomy & histology*; D004947:Esophagus / Q000033:anatomy & histology*; D066298:In Vitro Techniques; D007633:Keratins; D008854:Microscopy, Electron; D008859:Microscopy, Polarization; D013194:Staining and Labeling; D013950:Thymus Gland / Q000033:anatomy & histology*
chemical_list: D007633:Keratins