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Mitotic activity in dorsal epidermis of Rana pipiens.Study of statistically significant rhythms of mitotic division in dorsal epidermis of frogs, Rana pipiens, exposed to a 12:12 light:dark environment for 14 days. The results include the findings that (1) male animals have a primary period of 22 hr in summer and 18 hr in winter, (2) female animals have an 18 hr period, and (3) parapinealectomy and blinding abolish the rhythm.
Document ID
19730035654
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Garcia-Arce, H.
Mizell, S.
(Indiana University Bloomington, Ind., United States)
Date Acquired
August 7, 2013
Publication Date
January 1, 1972
Publication Information
Publication: Comparative Biochemistry and Physiology
Volume: 42A
Issue: 2, 19
Subject Category
Biosciences
Accession Number
73A20456
Funding Number(s)
CONTRACT_GRANT: NGR-15-003-053
Distribution Limits
Public
Copyright
Other

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