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Histology ch1
Question | Answer |
---|---|
Chromatin | GIves nucleus the basophilia characteristic. chromatin Packs and Folds INTO chromosomes |
Histones | what proteins wind around |
heterchromatin (inactive) | densely packed, dark staining h&e, feulgen, (deoxyribose) hoechst, propidium iodine |
euchromatin (active) | light stainiing, not densly packed |
metachromasis | when tissue fails to stain the true color of a dye. Shift in normal color. Absorbance change. Blue to red or purple |
intergrins | cell adhesions. Sticky proteins that interact and communicate with other proteins |
endocytosis | substances enter cell |
exocytosis | exit cell |
osmosis | absorbing water |
pinocytosis | cell drinking |
phagocytosis | cell eating |