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Cell division in Tetrahymena occurs by lateral binary fission
and results in an anterior proter and a posterior opisthe. Prior to
division the kineties elongate as new basal bodies are formed next to
existing basal bodies. The cell essentially doubles in length but not
in width. A new oral region and a new contractile vacuole form and in
amicronucleate strains the macronucleus (mac) divides.
c, cilium; fv, food vacuole. EM taken on 8/8/67 by R.
Allen with Philips 200 TEM. Neg. 1,800X. Bar = 2.0µm.
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