The fine structure of mesenchymatous cells in the regenerating forelimb of the adult newt Triturus☆
[摘要] Themesenchymatouscellsintheregeneratingforelimboftheadultnewtwereexaminedwiththeelectronmicroscope.Mostofthecellshaveanobviousandvoluminousrough-surfacedendoplasmicreticulumoccurringasnumerouselongatedstrands,assmallandlargevesicles,orasirregularlyshapeddilations;inasmallnumberofcellsthereticulumissparse.Ingeneral,thecellshavelargeovoidnuclei,occasionalprominentnucleoli,anddistinctdoublenuclearenvelopeswithpores.Theoutermembraneoftheenvelopemakesfrequentincursionsintothecytoplasmtomergewithelementsoftheendoplasmicreticulum.Therearenumerouslipiddropletsofvarioussizeswithinthecytoplasm.Thefinestructureofthecellsoftheadultregenerateiscomparedwiththatofthelarva,andthepossiblesignificanceofthedifferencesintermsofthedevelopmentalcapacitiesofthecellsisdiscussed.
[发布日期] [发布机构]
[效力级别] [学科分类] 生物科学（综合）
[关键词] [时效性]
