• We are sorry, but NCBI web applications do not support your browser and may not function properly. More information
Logo of pnasPNASInfo for AuthorsSubscriptionsAboutThis Article
Proc Natl Acad Sci U S A. May 1962; 48(5): 826–833.
PMCID: PMC220861


Full text

Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (2.0M), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References.

Images in this article

Click on the image to see a larger version.

Selected References

These references are in PubMed. This may not be the complete list of references from this article.
  • PARSONS DF. A simple method for obtaining increased contrast in araldite sections by using postfixation staining of tissues with potassium permanganate. J Biophys Biochem Cytol. 1961 Nov;11:492–497. [PMC free article] [PubMed]
  • WESTFALL JA, HEALY DL. A water control device for mounting serial ultrathin sections. Stain Technol. 1962 Mar;37:118–121. [PubMed]
  • MILLONIG G. A modified procedure for lead staining of thin sections. J Biophys Biochem Cytol. 1961 Dec;11:736–739. [PMC free article] [PubMed]
  • DE ROBERTIS E. Electron microscope observations on the submicroscopic organization of the retinal rods. J Biophys Biochem Cytol. 1956 May 25;2(3):319–330. [PMC free article] [PubMed]
  • EAKIN RM, WESTFALL JA. Further observations on the fine structure of the parietal eye of lizards. J Biophys Biochem Cytol. 1960 Oct;8:483–499. [PMC free article] [PubMed]
  • Eakin RM. PHOTORECEPTORS IN THE AMPHIBIAN FRONTAL ORGAN. Proc Natl Acad Sci U S A. 1961 Jul;47(7):1084–1088. [PMC free article] [PubMed]
  • MILLER WH. Derivatives of cilia in the distal sense cells of the retina of Pecten. J Biophys Biochem Cytol. 1958 Mar 25;4(2):227–228. [PMC free article] [PubMed]
  • WOLKEN JJ. Studies of photoreceptor structures. Ann N Y Acad Sci. 1959 Nov 12;74(2):164–181. [PubMed]
  • ROHLICH P, TOROK LJ. [Electron microscopic studies on the eye of Planaria]. Z Zellforsch Mikrosk Anat. 1961;54:362–381. [PubMed]

Articles from Proceedings of the National Academy of Sciences of the United States of America are provided here courtesy of National Academy of Sciences


Related citations in PubMed

See reviews...See all...

Cited by other articles in PMC

See all...


  • PubMed
    PubMed citations for these articles

Recent Activity

Your browsing activity is empty.

Activity recording is turned off.

Turn recording back on

See more...