Ultrastructure of epithelial cells in the medulla of the guinea-pig thymus.
D000818:Animals; D000831:Animals, Newborn; D004721:Endoplasmic Reticulum; D004847:Epithelial Cells; D005333:Fetus / Q000166:cytology; D006168:Guinea Pigs; D008854:Microscopy, Electron; D008928:Mitochondria; D013950:Thymus Gland / Q000166:cytology*