title: Control of puffing activity in three chromosomal segments of explanted salivary gland cells of Chironomus thummi by variation in extracellular Na+,K+ and Mg2+.
mesh_terms: D000818:Animals; D002712:Chlorides / Q000494:pharmacology; D002875:Chromosomes / Q000187:drug effects*; D003470:Culture Media; D004175:Diptera / Q000166:cytology*; D007814:Larva; D008274:Magnesium / Q000494:pharmacology*; D009924:Organ Culture Techniques; D009995:Osmosis; D011189:Potassium Chloride / Q000494:pharmacology*; D012469:Salivary Glands / Q000166:cytology; D012965:Sodium Chloride / Q000494:pharmacology*; D013194:Staining and Labeling; D013223:Statistics as Topic
chemical_list: D002712:Chlorides; D003470:Culture Media; D012965:Sodium Chloride; D011189:Potassium Chloride; D008274:Magnesium