Paramecium multimicronucleatum, LM
Numéro d’image : 12309993
| Darkfield light micrograph of Paramecium bursaria, a ciliate protozoan, that contains endosymbiotic green algae (Chlorella sp.). Paramecium are found mainly in stagnant ponds, feeding on bacteria and plant particles. They have a permanent mouth called an oral grove. Food taken in through the oral groove is digested within temporary digestive vacuoles in the cell cytoplasm. The two contractile vacuoles act as osmotic regulators, controlling the flow of water across the ciliate's membrane. The contractile vacuoles are surrounded by a halo of radiating channels. Excess water collects in the channels, drains into the vacuole and is then discharged through a pore at the surface. Magnification: x112 when shortest axis printed at 25 millimetres. | |
| Licence : | Libre de droits |
| Crédit: | Science Photo Library / DENNIS KUNKEL MICROSCOPY |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
Prix pour cette image À partir de 29 €
Pour une utilisation numérique (72 dpi)
À partir de 29 €
Pour un usage d'impression (300 dpi)
À partir de 325 €
Mots clés
- alga,
- algae,
- algue,
- algues,
- alimentation,
- arrière plan noir,
- arrière-plan noir,
- cellule,
- chorella,
- cil,
- cilié,
- ciliée,
- cils,
- coloré,
- colorié,
- colorisé,
- contractile,
- contraction,
- digestive,
- eau,
- eau douce,
- endosymbiotique,
- eucaryote,
- fond noir,
- frais,
- gorge,
- léger,
- macronucléus,
- membrane,
- micrographie,
- micrographie optique,
- micronoyau,
- microscope,
- nourriture,
- noyau,
- nucleus,
- orale,
- organisme,
- paramécie,
- paramecium,
- pompe,
- pomper,
- protista,
- protistes,
- proton,
- protozoa,
- protozoaire,
- protozoaires,
- rainure,
- seul,
- sillon,
- symbiotique,
- unicellulaire,
- unique,
- vacuole