title: PROLONGED CULTURE OF DIPLOID HUMAN CELLS.
mesh_terms: D000650:Amnion; D002875:Chromosomes; D003594:Cytoplasmic Granules; D004171:Diploidy; D005347:Fibroblasts; D012106:Research; D012728:Sex Chromatin; D012867:Skin; D013961:Thyroid Gland; D046509:Tissue Culture Techniques
keywords: AMNION; CHROMOSOMES; CYTOPLASMIC GRANULES; EXPERIMENTAL LAB STUDY; FIBROBLASTS; SEX CHROMATIN; SKIN; THYROID GLAND; TISSUE CULTURE