Image of Zoothamnium arbuscula

Description:

Scale bars indicate 250 µm.

Three pairs of images, each without and with marking arrows.

Series of binary fission:

First couple:

Phase 1:
Swollen cell, ready for binary fission (upper left) shortly before. Macro nucleus, contractile vacuole, contractile stalk.

Second couple:Phase 2:
Cell during binary fission. Contractile vacuole (arrowheads) has been already duplicated, the duplicated macro nucleus (arrow) is yet connected.Third couple:Phase 3:
Shortly after finishing binary fission. Macro nucleus (arrow), contractile vacuole (arrowhead), contractile stalk with central muscle cord (double arrowhead).

Please click on < or > on the image edges or on the dots at the bottom edge of the images to browse through the slides!

Place name: Creek in Oder valley 100 km north east of Berlin (Germany)
Latitude: 53.135032     Longitude: 14.348738

Stereo microscope Olympus SZX16/Planapo 2.0x, camera  Olympus OM-D M5 MKII. DOF images.

© Wolfgang Bettighofer,
images under Creative Commons License V 3.0 (CC BY-NC-SA).
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