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Effects of radiations on oral regeneration inStentor coeruleus

โœ Scribed by Burchill, Brower R.

Publisher
John Wiley and Sons
Year
1968
Tongue
English
Weight
785 KB
Volume
169
Category
Article
ISSN
0022-104X

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โœฆ Synopsis

Irradiation with ultraviolet light (254 nm) or ionizing radiation can prolong oral regeneration in the ciliate Stentor coeruleus. The primary response is an interruption in the regeneration cycle, starting soon after irradiation and leading to a delay in the completion of development. The relation of dose to delay, of cells irradiated early in regeneration, is approximately linear. Early stages of regeneration are maximally sensitive, with the peak sensitivity to ultraviolet light occurring slightly earlier than that to ionizing radiation. Cells irradiated with combined doses of both radiations are more affected than cells exposed to either single radiation dose alone. Possible interpretations of the results are discussed.

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